from:"Belli Button"

Re: [Emc-users] Cycle time discussion

2016-10-18 Thread Belli Button

Hey Rob!  Just wanted to say thanks...


-Original Message-
From: Robert Ellenberg [mailto:rwe...@gmail.com] 
Sent: 18 October 2016 19:29
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Cycle time discussion

The discrepancy is likely because the behavior changed in 2.7. In 2.6 and
older, both G61 modes were identical. In 2.7, we added the exact path vs
exact stop distinction (since the new TP could do it).

On Tue, Oct 18, 2016, 12:15 PM Nicklas Karlsson <
nicklas.karlsso...@gmail.com> wrote:

> There seems to be small disreptancy in manual for at least 2.6:
>   G61 - exact path mode. G61 visits the programmed point exactly, even 
> though that means temporarily coming to a complete stop.
>   G61.1 - exact stop mode. Same as G61
>
> G61 do not need to stop although it might happen because otherwise it 
> fail to reach exact point. G61.1 come to a complete halt at point.
>
> I say to change the manual would make sense.
>
>
>
> On Tue, 18 Oct 2016 11:27:34 -0400 (EDT)
> "Todd  Zuercher"  wrote:
>
> > Yes, a quick test seems to show that for co-linear points G61 
> > doesn't
> stop but G61.1 does.  Maybe the docs should be adjusted to reflect that.
> >
> > - Original Message -
> > From: "John Thornton" 
> > To: "Enhanced Machine Controller (EMC)" 
> >  >
> > Sent: Tuesday, October 18, 2016 10:56:56 AM
> > Subject: Re: [Emc-users] Cycle time discussion
> >
> > Looks like G61.1 stops at every end point and G61 only visits each 
> > end point but may stop if needed. Could also be incorrect 
> > descriptions of them...
> >
> > JT
> >
> > On 10/18/2016 9:17 AM, Todd Zuercher wrote:
> > > Stupid question, why do we even have a G61.1 mode?  Is it in 
> > > anyway
> different from plain G61?
> > >
> > > - Original Message -
> > > From: "John Thornton" 
> > > To: "Enhanced Machine Controller (EMC)" <
> emc-users@lists.sourceforge.net>
> > > Sent: Tuesday, October 18, 2016 9:21:29 AM
> > > Subject: Re: [Emc-users] Cycle time discussion
> > >
> > > That depends on you, if you do nothing you get G64
> > > http://linuxcnc.org/docs/2.7/html/gcode/g-code.html#gcode:g64
> > >
> > > If you set G64 P  you get something else
> > > http://linuxcnc.org/docs/2.7/html/gcode/g-code.html#gcode:g64
> > >
> > > If you set G61 or G61.1 you get something different
> > > http://linuxcnc.org/docs/2.7/html/gcode/g-code.html#gcode:g61-g61.
> > > 1
> > >
> > > JT
> > >
> > > On 10/18/2016 7:48 AM, Erik Friesen wrote:
> > >> I have been watching my vintage 1996 haas, and have begun to 
> > >> notice all the non cutting times, pauses, etc.  It really seems 
> > >> that non rapid, between rapid, and other slow motions are 
> > >> overlooked time costs.  Note the non machining pauses on this 
> > >> DM-1 
> > >> http://www.haascnc.com/video.asp?mode=demos=c5-XXw0gLxg
> > >>
> > >> I see this on my machine too, rapids don't blend, so G0Z1 
> > >> followed by
> > >> G0Z5 will always have a noticeable pause.
> > >>
> > >> How does lcnc handle rapids in this scenario?
> > >>
> > >>
> --
> 
> > >> Check out the vibrant tech community on one of the world's most 
> > >> engaging tech sites, SlashDot.org! http://sdm.link/slashdot 
> > >> ___
> > >> Emc-users mailing list
> > >> Emc-users@lists.sourceforge.net
> > >> https://lists.sourceforge.net/lists/listinfo/emc-users
> > >
> > >
> --
> 
> > > Check out the vibrant tech community on one of the world's most 
> > > engaging tech sites, SlashDot.org! http://sdm.link/slashdot 
> > > ___
> > > Emc-users mailing list
> > > Emc-users@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/emc-users
> > >
> > >
> --
> 
> > > Check out the vibrant tech community on one of the world's most 
> > > engaging tech sites, SlashDot.org! http://sdm.link/slashdot 
> > > ___
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> > > Emc-users@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/emc-users
> >
> >
> >
> --
> 
> > Check out the vibrant tech community on one of the world's most 
> > engaging tech sites, SlashDot.org! http://sdm.link/slashdot 
> > ___
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> > https://lists.sourceforge.net/lists/listinfo/emc-users
> >
> >
> --
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> > Check out the vibrant tech community on one of the world's most 
> > engaging tech sites, SlashDot.org!

Re: [Emc-users] Mesa Reseller in America

2016-03-08 Thread Belli Button

7i29's?



-Original Message-
From: John Thornton [mailto:j...@gnipsel.com] 
Sent: 08 March 2016 14:31
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Mesa Reseller in America

I have another stocking order due in Friday that will add THCAD-10's,
THCAD-300's and 7i80HD-16's to the cards already in stock.

In stock now.
5i24-16
5i25
6i25
7i37TA
7i76
7i76E
7i77
7i77ISOL
7i90HD
7i92

I also have 5vdc and 24vdc power supplies in stock.

JT

On 2/1/2016 4:14 PM, John Thornton wrote:
> I just want to announce that I'm going to be a Mesa Electronics 
> reseller in America. I just got conformation on my first stocking 
> order should be here Friday February 5th. As soon as I get everything 
> checked in the store will be up and running. www.mesaus.com
>
> Thanks
> JT
>
> --
> 
> Site24x7 APM Insight: Get Deep Visibility into Application Performance 
> APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month 
> Monitor end-to-end web transactions and take corrective actions now 
> Troubleshoot faster and improve end-user experience. Signup Now!
> http://pubads.g.doubleclick.net/gampad/clk?id=267308311=/4140
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Re: [Emc-users] linuxcnc 2.7.3 - mesa 7i77 update

2015-12-10 Thread Belli Button

I've never been fond of the idea of removing the PC from its enclosure.
I've always thought that the steel case (PC cases are always steel I think)
shields the mother board from interference.

The PCi or other plug in cards have no support without an enclosure and I
have seen one that had been broken right off.

Just my 2c...

-Original Message-
From: Mark Johnsen [mailto:m...@ijohnsen.com] 
Sent: 10 December 2015 20:53
To: emc-users@lists.sourceforge.net
Subject: [Emc-users] linuxcnc 2.7.3 - mesa 7i77 update

I'm sure I have noise in my setup.

Here's a picture of my cabinet, which I actually took time to route wires
decently.
https://goo.gl/photos/AogjAzWHpGGysceQA

I did my best to keep things separated, but there was only so much room.  I
think my AutoDirect GS2 3HP vfd is probably too close to the 7i77,  Also,
the 80Vdc coming from the step down transformer and rectifier would add to
the noise.  Oh, to power the VFD I brought into an originally 120Vac 'only'
cabinet 240 single phase plus the noisy 3-phase motor output.

I did go back and look at my notes and 2x I did get errors in 2.6.xx that I
ignored.  I typed the errors here from a screen shot (forgive my typing
errors):
hm2/hm2_5i25.0: Smart Serial Error: port 0 channel 0.  you may see this
error if the FPGA card read thread is not running.  This error message will
not repeat.

hm/hm2_5i25.0: Smart serial card hm2_5i25.0.7i77.0.0o error = (13)
Communication error

hm/hm2_5i25.0: Smart serial card hm2_5i25.0.7i77.0.0o error = (4) Extra
character

hm/hm2_5i25.0: Smart serial card hm2_5i25.0.7i77.0.0o error = (3) Timeout
END ERRORS-

I only saw those errors 2x and I'm going to guess that it was after I
upgraded the 7i77 firmware...
I think I was lulled into thinking the noise was OK.

After that, I must have fiddled w/ the power supplies and haven't seen those
errors lately.

Anyway, chasing the noise is a frustrating tail chasing exercise (for me it
seems).  I'd like to pretend it doesn't exist and stick my head in the
sand...

Mark

>
> On Tue, 8 Dec 2015, Todd  Zuercher wrote:
>
> > Date: Tue, 8 Dec 2015 21:29:34 -0500 (EST)
> > From: Todd  Zuercher 
> > Reply-To: "Enhanced Machine Controller (EMC)"
> > 
> > To: "Enhanced Machine Controller (EMC)" 
> >  >
> > Subject: Re: [Emc-users] linuxcnc 2.7.3 - mesa 7i77 update
> >
> > It was a while ago that I upgraded things. So I can't say for sure 
> > what
> the
> > order of events were.  But I was running 2.7pre on this machine as 
> > soon
> as
> > it came out and I know I did not update the firmwares right away, 
> > and ran for a while just ignoring the notice to update them.  I 
> > don't think
> during
> > that time I had the problem with the smart serial errors until after 
> > I updated the firmwares, also about that same time I changed my 
> > config to
> run
> > at a higher rate, moving the hm2 read/rights and velocity loop for 
> > the servos to a floating point base thread.  I've been blaming the 
> > ss communication problems on the base thread speed being borderline 
> > too
> fast.
> > So for me the real question is what is the source of the problem, is 
> > it
> that
> > something in 2.7 is more sensitive to errors than before, is 
> > something in the new firmware making it more sensitive, something in 
> > 2.7 or the
> firmware
> > causing more errors than before, or is it my thread speed. I don't 
> > want
> to
> > blame electronic interference because it worked before for years and
> none of
> > that changed.  But in a way that probably is the real source, 
> > because it
> is
> > when powering on the machine(F2) after an e-stop when I most often 
> > see
> this
> > error (about half the time).  I'll check into these parameters and 
> > see
> if I
> > can tame it down to acceptable level.
>
> A extra character error is definately electrical noise related, it may 
> have been unreported by 2.6 though
>
> >
> > - Original Message -
> > From: "andy pugh" 
> > To: "Enhanced Machine Controller (EMC)" 
> >  >
> > Sent: Tuesday, December 8, 2015 8:44:11 PM
> > Subject: Re: [Emc-users] linuxcnc 2.7.3 - mesa 7i77 update
> >
> > On 9 December 2015 at 01:21, Stephen Dubovsky 
> wrote:
> >> How to set dec?  And what was it in prior versions?
> >
> > You set it like any other HAL parameter. Details are there if you 
> > look at man sserial
> >
> > setp hm2_5i24.0.sserial.port-N.fault-inc 0
> >
> > Will disable all smart-serial fault reporting.
> >
> > Naturally you will have to use parameters that actually exist in 
> > your configuration.
> >
> > The values haven't changed, but something else has, I am not sure what.
> >
> > --
> Peter Wallace
> Mesa Electronics
>
> (\__/)
> (='.'=) This is Bunny. Copy and paste bunny into

Re: [Emc-users] Mesa Ethernet products

2015-10-21 Thread Belli Button

So

I've been having a look at the Mesa website and see a few products that I
don't think existed until recently.  All Ethernet based:

1. 7i92Ethernet to dual 'LPT' ports, easy retrofit for all existing
LPT based systems
2. 7i80DB   Ethernet to four 'LPT' ports, easy retrofit for all existing LPT
based systems
3. 7i80HD   Ethernet to 3# 50way IDC, replaces 5i23 (5i20) based systems
4. 7i76E   Ethernet to with 7i76, 5 axis stepper breakout board

Has someone been busy? 




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[Emc-users] Has anyone poked around with this?

2015-10-14 Thread Belli Button

http://ecam.altervista.org/

Seems to have a nice lathe module.




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Re: [Emc-users] Very cheap stepper drives

2015-09-30 Thread Belli Button

Because there is no 5V on the parallel port?

Using a common 0V allows the Gecko to connect directly to the LPT port,
something that is simply not possible with the Chinese drives or others that
use 5V common.
Or I didn't understand your question...



" I got a G203V in the post today, and am confused.

Why on earth do Gecko drives use a common ground on the inputs, especially
if they're targetting the parallel port market?
Even the ching drive referred to in this discussion has it the right way, a
common Vcc.

Regards
Roland"




On 30 September 2015 at 17:41, Jon Elson  wrote:

>
> > On Wed, Sep 30, 2015 at 10:58 AM, Dave Cole 
> > 
> wrote:
> >
> >
> >> Hey, did I see that you are no longer a Washingtonian?   Does that mean
> >> that you now live in the land of the left hand (MI) ?  ;-) My 
> >> daughter lives in Chevy Chase and I continually hear about the cost 
> >> of this and that.  For her Washington is still great, but not as 
> >> great as it was when she first moved there.
> >>
> >>
> I grew up in Washington DC. Haven't really missed it too much since I 
> left.  it WAS cool, however, when visiting.
> I'd take a strange turn off the beltway when it got backed up, and 
> start driving on side roads, and my wife would say "Oh, we're lost, 
> you need to stop and ask somebody", and I'd say "No, actually, I know 
> EXACTLY where I am, and we will pop out on Georgia avenue in 3 
> blocks", even though it looked like we were in the sticks.
>
> Also, going into a Safeway store in Silver Spring, I had been in there 
> many times with my Mom 40 years ago, and knowing pretty much where 
> everything was, as they had changed NOTHING in that store in the 
> meanwhile!
>
> But, if you think Washington is bad, check out the bay area.  I used 
> to go there for experiments, and try to make a round trip down from 
> Berkeley to San Jose, Santa Clara, Mountain View and Oakland to hit 
> all the electronic surplus places.  Quite a drive!
>
> Jon
>
>
>
>
> --
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Re: [Emc-users] Yaskawa

2015-09-29 Thread Belli Button

Remember that CAM for glass cutting is very special and I don't know of any
CAM packages that can handle glass.

It's gonna bite you're a$$.  ;-)

Cheers,


-Original Message-
From: Marius Liebenberg [mailto:mar...@mastercut.co.za] 
Sent: 29 September 2015 18:49
To: Todd Zuercher; Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Yaskawa or not

The Servopack number is  SGDB-03VDY1 like I mentioned below The motors are
AC servos - USAGED-30V22 and USAGED-05V22K

The machine is a CNC glass cutter that has a horde of pneumatic and
hydraulic functions. The model is an Intermac Fox 3700 I would attempot to
just replace the pc and control software if I could lay my hands on a manual
or wiring diagrams. There are several sub controllers or custom plc's that
makes it impossible.


-- Original Message --
From: "Todd Zuercher" 
To: "Marius Liebenberg" ; "Enhanced Machine
Controller (EMC)" 
Sent: 2015-09-29 18:38:49
Subject: Re: [Emc-users] Yaskawa or not

>Yaskawa has been making motors and drives for a long time, and have 
>made a lot of different kinds, using all manor of controls.  Your going 
>to have to give us more information for us to give you a 
>recommendation.
>
>But on the surface I would have to suggest, if there isn't anything 
>wrong with the motors or drives keep them.
>
>Mesa makes hardware that can work with what ever you have, but you need 
>to figure out what you have before choosing the right control hardware.
>
>Most old Dos controllers I'm familiar with are just software step 
>generators, and as such can usually be replaced by Linuxcnc with a 
>minimum of hardware (most just using a parallel port or 2).
>
>- Original Message -
>From: "Marius Liebenberg" 
>To: "Enhanced Machine Controller (EMC)" 
>
>Sent: Tuesday, September 29, 2015 11:55:55 AM
>Subject: [Emc-users] Yaskawa or not
>
>Hi All
>I have been asked to upgrade a machine that has a very old control 
>system still running on DOS. It is fitted with Yaskawa SGDB-03VDY1 
>drives. I cannot seem to find reference to that extract number. There 
>are two 2.9Kw motors and one 0.45Kw. They all have incremental 
>encoders.
>>From the documentation that I could find I could not see how to drive
>these things. It looks like a communications protocol that they use.
>
>I have to decide how to go about retrofitting this machine. Do I keep 
>the motors (they are still very good) and keep the drives (dont know 
>how to drive). Does Mesa have a solution to drive these?
>Or do I dump the drives and use another set of drives? What will I use 
>or, Do I dump the lot and start fresh. What will I use in the place of 
>Yaskawa?
>
>Has anyone on the forum used these with reasonable success?
>
>I would like to go 7i80 so that I can fit an industrial panel mount pc 
>with touch screen.
>
>Any thought from the wise ones?
>
>
>
>-
>Regards / Groete
>
>Marius D. Liebenberg
>+27 82 698 3251
>+27 12 743 6064
>
>
>
>---
>---
>
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Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-19 Thread Belli Button

Draftsight used be available in Win, Mac and Linux. They eventually dropped
the Linux version due to very small uptake and it was free!

-Original Message-
From: Lester Caine [mailto:les...@lsces.co.uk] 
Sent: 19 September 2015 10:13
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] CAD/CAM for LinuxCNC

On 19/09/15 04:44, John Dammeyer wrote:
> My war story is 5 versions of TurboCAD before I finally realized I was 
> caught into the updates were really bug fixes under the presentation of
> improvements and nothing worked right.   I started with Version 1.
Stopped
> buying it at Version 5 and I think at one point they were at version 
> 12 or something.

I'm still on 15 ... but only had 12 before that ... after jumping off the
AutoCAD roundabout.

> Autocad for me was always a disaster.  Just couldn't get my head around
it.

My AutoCAD 2.5 dongle surfaced a while back and we used that up to
Release13 but with cash flow tight and I think a £600 bill for next 'bug
fix' it was time to get of the roundabout. £200 for TurboCAD Pro proved a
good investment at the time.

People have mentioned 'cross-platform, and we have Eclipse for code
development and Libreoffice for the rest of the paperwork which have been
more than capable across all platforms for many years now. The likes of
FreeCAD and KiCAD could just as easily be run on windows, so perhaps the
question is 'Why not a windows version of LinuxCNC?' I'm thinking as more of
a replacement for the likes of USBCNC using co-processors, but the
co-processor could well be a beagleboard or something similar running
LinucCNC in textmode and using the 'PC' for the graphics?

--
Lester Caine - G8HFL
-
Contact - http://lsces.co.uk/wiki/?page=contact
L.S.Caine Electronic Services - http://lsces.co.uk EnquirySolve -
http://enquirysolve.com/ Model Engineers Digital Workshop -
http://medw.co.uk Rainbow Digital Media - http://rainbowdigitalmedia.co.uk

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Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-19 Thread Belli Button

Um, I don't think that was Draftsight, Draftsight is by Solidworks...

-Original Message-
From: jrmitchellj . [mailto:jrmitche...@gmail.com] 
Sent: 19 September 2015 18:12
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] CAD/CAM for LinuxCNC

I used Draftsight for many years for television facility design.  The macro 
language was wonderful!
I used it to tie into excel & other programs, to manage cable lists, BOMs, and 
other needed documentation.  I could make a change in one, and it would flow 
into the others.
Then Autodesk bought them.  They re-released it as AutoSketch, but without the 
macro language.  The rumor at the time was that it was hurting Autocad sales & 
use of Autolisp.

Ray M.

--J. Ray Mitchell Jr.
jrmitche...@gmail.com
(818)324-7573


The dogmas of the quiet past, are inadequate to the stormy present. The 
occasion is piled high with difficulty, and we must rise with the occasion.
As our case is new, so we must think anew and act anew. We must disenthrall 
ourselves, and then we shall save our country.*Abraham Lincoln 
<http://www.quotationspage.com/quotes/Abraham_Lincoln/>*, *Annual message to 
Congress, December 1, 1862* *16th president of US (1809 - 1865)*

On Sat, Sep 19, 2015 at 5:11 AM, Belli Button <be...@iafrica.com> wrote:

> Draftsight used be available in Win, Mac and Linux. They eventually 
> dropped the Linux version due to very small uptake and it was free!
>
>
>
>
>
> -Original Message-
> From: Lester Caine [mailto:les...@lsces.co.uk]
> Sent: 19 September 2015 10:13
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] CAD/CAM for LinuxCNC
>
> On 19/09/15 04:44, John Dammeyer wrote:
> > My war story is 5 versions of TurboCAD before I finally realized I 
> > was caught into the updates were really bug fixes under the presentation of
> > improvements and nothing worked right.   I started with Version 1.
> Stopped
> > buying it at Version 5 and I think at one point they were at version
> > 12 or something.
>
> I'm still on 15 ... but only had 12 before that ... after jumping off 
> the AutoCAD roundabout.
>
> > Autocad for me was always a disaster.  Just couldn't get my head 
> > around
> it.
>
> My AutoCAD 2.5 dongle surfaced a while back and we used that up to
> Release13 but with cash flow tight and I think a £600 bill for next 
> 'bug fix' it was time to get of the roundabout. £200 for TurboCAD Pro 
> proved a good investment at the time.
>
> People have mentioned 'cross-platform, and we have Eclipse for code 
> development and Libreoffice for the rest of the paperwork which have 
> been more than capable across all platforms for many years now. The 
> likes of FreeCAD and KiCAD could just as easily be run on windows, so 
> perhaps the question is 'Why not a windows version of LinuxCNC?' I'm 
> thinking as more of a replacement for the likes of USBCNC using 
> co-processors, but the co-processor could well be a beagleboard or 
> something similar running LinucCNC in textmode and using the 'PC' for 
> the graphics?
>
> --
> Lester Caine - G8HFL
> -
> Contact - http://lsces.co.uk/wiki/?page=contact
> L.S.Caine Electronic Services - http://lsces.co.uk EnquirySolve - 
> http://enquirysolve.com/ Model Engineers Digital Workshop - 
> http://medw.co.uk Rainbow Digital Media - 
> http://rainbowdigitalmedia.co.uk
>
>
> --
> --
> --
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>
>
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Re: [Emc-users] CAD/CAM for LinuxCNC

2015-09-18 Thread Belli Button

I just grabbed this off the M4 website:

"What's new for Version #2:   .  and better security to protect users
from dealing with pirated copies and the errors and performance issues they
include."

"Important - Version 2 requires a new license file to operate."

-Original Message-
From: Dave Cole [mailto:linuxcncro...@gmail.com] 
Sent: 18 September 2015 20:22
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] CAD/CAM for LinuxCNC

On 9/18/2015 1:02 PM, John Dammeyer wrote:
> What will really happen ultimately is LinuxCNC will become the 
> dominant CNC program out there for people who don't want a call home 
> virus running on their PC.

I didn't know that it actually "phoned home".   That would be a problem 
for me.
The licensing model is rather convoluted.  Although I can understand them
trying to protect their software sales, I suspect that it also scares away a
number of potential users.

Dave

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Re: [Emc-users] Drag-chain cable

2015-09-15 Thread Belli Button

Austria is well known for its kangaroo's, it's not difficult to mix them up.

-Original Message-
From: Thomas Kaiser [mailto:c...@kaiser-linux.li] 
Sent: 15 September 2015 19:31
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Drag-chain cable

On 09/15/2015 05:35 PM, andy pugh wrote:
> If you are in a hurry, someone else (in Austria) is listing some very 
> similar cable at the moment.
> http://www.ebay.co.uk/itm/Resolverkabel-Encoderkabel-3x-2x0-14-2x-0-5-
> paarweise-geschirmt-6FX8008-1BD31-/181803016984?hash=item2a544de318
>
> Note that I am in the UK, so this will suit UK/Euro folks better.
>

Hello Andy

The cable is located in Austria _not_ Australia!

Austria is in the middle of Europe and a member of the EU.
 From my place (Liechtenstein) I can travel to Switzerland and Austria in a
few minutes. I need about 45 minutes to travel to Germany and have to pass
Austria ;-)

Austria and Australia gets confused a lot of time.

Thomas

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Re: [Emc-users] Schematics for a GO704

2015-06-07 Thread Belli Button

http://cdn0.grizzly.com/manuals/g0704_m.pdf

-Original Message-
From: Gene Heskett [mailto:ghesk...@wdtv.com] 
Sent: 07 June 2015 03:52
To: emc-users@lists.sourceforge.net
Subject: [Emc-users] Schematics for a GO704

Greetings all;

Does anyone have them?

What is in the owners manual is way incomplete. Very close to Zip on the
speed control stuffs.

Cheers, Gene Heskett
--
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 soap, ballot, jury, and ammo. Please use in that order.
-Ed Howdershelt (Author)
Genes Web page http://geneslinuxbox.net:6309/gene


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Re: [Emc-users] New Debian install does not include Gedit

2015-04-01 Thread Belli Button

New Debian install CD does not include Gedit (even though it's the preferred
LCNC editor)?

Bellisimo


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Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

2015-04-01 Thread Belli Button

Perhaps if I explain it better, if I am half way through a tool path, I stop
(not pause the machine) for some reason and want to continue (start from
line..), starting the spindle on its own is not sufficient.  I have to go to
MDI, set the Speed (S..) and then I am able to start the spindle and then
return to start the program.  Simply starting the spindle gives me a (S000)
zero speed.

Surely LCNC should remember what the S is after stopping?

Running from the start of a program is fine as I have a M3 and S

I am I wrong?



-Original Message-
From: andy pugh [mailto:bodge...@gmail.com] 
Sent: 01 April 2015 14:20
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

On 1 April 2015 at 12:32, Belli Button be...@iafrica.com wrote:
 When I stop a program, LCNC sends my spindle speed to zero

I think that is normal (and standard).

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If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto


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[Emc-users] LCNC sends Spindle to zero speed on stop.

2015-04-01 Thread Belli Button

Another funny...

When I stop a program, LCNC sends my spindle speed to zero, I have to MDI a
spindle speed (S) and then M3 to start the spindle or it stats with zero
speed, am I doing something wrong?





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Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

2015-04-01 Thread Belli Button

All good suggestions, if I get one of the GUi's figured out I guess I could 
make a button that automatically did an MDI 'SXXX M3' when pressed. 



-Original Message-
From: andy pugh [mailto:bodge...@gmail.com] 
Sent: 01 April 2015 18:39
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

On 1 April 2015 at 16:09, Jon Elson el...@pico-systems.com wrote:
 it
 would be kind of nice if clicking F9 again would start the spindle at 
 the last speed, but I can see there is a safety issue there.

I can see an argument for an extra HAL pin… motion.spindle-speed-persistent

As we already have 4 separate spindle speed outputs this might be getting a bit 
over-complicated though.

--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

2015-04-01 Thread Belli Button

I'm not sure that this is safer, starting the spindle implies that it will
speed up, starting the job with no spindle is messier...

-Original Message-
From: Jon Elson [mailto:el...@pico-systems.com] 
Sent: 01 April 2015 17:10
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

On 04/01/2015 07:19 AM, andy pugh wrote:
 On 1 April 2015 at 12:32, Belli Button be...@iafrica.com wrote:
 When I stop a program, LCNC sends my spindle speed to zero
 I think that is normal (and standard).

It is the way my system works, too.  it is annoying.  If doing stuff
manually, I start the spindle with MDI M03 S2720 or something, then stop it
with F9.  If I hit F9 again, the relay to start the spindle is turned on,
but the speed is set to 0.  Kind of annoying, but safer.  it would be kind
of nice if clicking F9 again would start the spindle at the last speed, but
I can see there is a safety issue there.

Jon

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Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

2015-04-01 Thread Belli Button

All good suggestions, if I get one of the GUi's figured out I guess I could 
make a button that automatically did an MDI 'SXXX M3' when pressed. 



-Original Message-
From: andy pugh [mailto:bodge...@gmail.com] 
Sent: 01 April 2015 18:39
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

On 1 April 2015 at 16:09, Jon Elson el...@pico-systems.com wrote:
 it
 would be kind of nice if clicking F9 again would start the spindle at 
 the last speed, but I can see there is a safety issue there.

I can see an argument for an extra HAL pin… motion.spindle-speed-persistent

As we already have 4 separate spindle speed outputs this might be getting a bit 
over-complicated though.

--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

2015-04-01 Thread Belli Button

All good suggestions, if I get one of the GUi's figured out I guess I could 
make a button that automatically did an MDI 'SXXX M3' when pressed. 



-Original Message-
From: andy pugh [mailto:bodge...@gmail.com] 
Sent: 01 April 2015 18:39
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] LCNC sends Spindle to zero speed on stop.

On 1 April 2015 at 16:09, Jon Elson el...@pico-systems.com wrote:
 it
 would be kind of nice if clicking F9 again would start the spindle at 
 the last speed, but I can see there is a safety issue there.

I can see an argument for an extra HAL pin… motion.spindle-speed-persistent

As we already have 4 separate spindle speed outputs this might be getting a bit 
over-complicated though.

--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto

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Re: [Emc-users] New TP

2015-03-26 Thread Belli Button

I fetched it on the weekend, 2.7 ~pre5 (don't know how to use buildbot and
all that other fancy stuff...)




-Original Message-
From: Peter C. Wallace [mailto:p...@mesanet.com] 
Sent: 26 March 2015 00:31
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] New TP

On Wed, 25 Mar 2015, Belli Button wrote:

 Date: Wed, 25 Mar 2015 23:20:14 +0200
 From: Belli Button be...@iafrica.com
 Reply-To: Enhanced Machine Controller (EMC)
 emc-users@lists.sourceforge.net
 To: 'Enhanced Machine Controller (EMC)' 
 emc-users@lists.sourceforge.net
 Subject: Re: [Emc-users] New TP
 
 Running at default speed, 400 and upped it 200% but the tool staggers 
 around the curves, almost as if it wasn't blending at all, tried G64, 
 G64 P.1Q.1
 G64 P3 Q3 and looking at the trace on the screen, they were all 
 exactly the same.
 It's a new set up and I am still getting started, didn't have any 
 other G-code handy.

 That's not the page I saw but I think the same content, might have 
 been same info, different site.  I'll start reading in the morning.

 Thanks,

Note, There was a interval a couple weeks ago where blending in the new TP
was broken so if you built from source, you may want to re-fetch and
re-build



 -Original Message-
 From: sam sokolik [mailto:sa...@empirescreen.com]
 Sent: 25 March 2015 22:58
 To: Enhanced Machine Controller (EMC)
 Subject: Re: [Emc-users] New TP

 is this wat you are looking for?

 http://linuxcnc.org/docs/2.7/html/config/ini_config.html#sub:TRAJ-section

 are you running the splash screen at a high feed?  you won't notice any
 speed increase at its default speed...  It helps keep the feed up when
doing
 high speed machining..

 sam

 On 03/25/2015 03:25 PM, Belli Button wrote:
 I saw a page today regarding the new TP where the formulas were given
 for calculating the desired freq, look ahead and so forth settings,
 now I cannot for the life of me find it!  I think Sam wrote it but it
 might have RE.

 Someone have a link?

 Running the LCNC splash screen doesn't seem to run any different
 regardless of what I make the P and Q settings, is this unique to the
 splash screen?



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Mesa Electronics

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(='.'=) This is Bunny. Copy and paste bunny into your
()_() signature to help him gain world domination.



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Re: [Emc-users] New TP

2015-03-25 Thread Belli Button

I saw a page today regarding the new TP where the formulas were given for
calculating the desired freq, look ahead and so forth settings, now I cannot
for the life of me find it!  I think Sam wrote it but it might have RE.

Someone have a link?

Running the LCNC splash screen doesn't seem to run any different regardless
of what I make the P and Q settings, is this unique to the splash screen?



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Re: [Emc-users] New TP

2015-03-25 Thread Belli Button

Running at default speed, 400 and upped it 200% but the tool staggers around
the curves, almost as if it wasn't blending at all, tried G64, G64 P.1Q.1
G64 P3 Q3 and looking at the trace on the screen, they were all exactly the
same.
It's a new set up and I am still getting started, didn't have any other
G-code handy.

That's not the page I saw but I think the same content, might have been same
info, different site.  I'll start reading in the morning.

Thanks,

-Original Message-
From: sam sokolik [mailto:sa...@empirescreen.com] 
Sent: 25 March 2015 22:58
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] New TP

is this wat you are looking for?

http://linuxcnc.org/docs/2.7/html/config/ini_config.html#sub:TRAJ-section

are you running the splash screen at a high feed?  you won't notice any
speed increase at its default speed...  It helps keep the feed up when doing
high speed machining..

sam

On 03/25/2015 03:25 PM, Belli Button wrote:
 I saw a page today regarding the new TP where the formulas were given 
 for calculating the desired freq, look ahead and so forth settings, 
 now I cannot for the life of me find it!  I think Sam wrote it but it
might have RE.

 Someone have a link?

 Running the LCNC splash screen doesn't seem to run any different 
 regardless of what I make the P and Q settings, is this unique to the
splash screen?



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Re: [Emc-users] Where's Gene?

2015-03-22 Thread Belli Button

Haven't heard from him in a while, hope he's oOK.



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Re: [Emc-users] Where do I put the .xml for pncconf

2015-03-10 Thread Belli Button

Hello,

Where do I put the .bit, .pin and .xml files for pncconf?

Cheers,


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Re: [Emc-users] PathPilot

2015-03-02 Thread Belli Button

Some discussions

http://www.cnczone.com/forums/tormach-personal-cnc-mill/261218-software.html




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Re: [Emc-users] LinuxCNC 2.6.6

2015-02-21 Thread Belli Button

Never in the field of CNC was so much owed by so many to so few




-Original Message-
From: chris [mailto:ch...@builderofstuff.com] 
Sent: 21 February 2015 02:37
To: Marius Liebenberg; Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] LinuxCNC 2.6.6

I agree wholeheartedly. If it weren't for you folks out there who bring us
Linuxcnc I wouldn't have cnc. Huge thank you to everyone involved.

Chris




 On February 20, 2015 at 12:09 AM Marius Liebenberg 
 mar...@mastercut.co.za
 wrote:


 A big thank you to all they guys working on improving the software. 
 And all without remuneration.



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Re: [Emc-users] PathPilot (what hardware?)

2015-02-18 Thread Belli Button

I'm more curious about the hardware, do you think they are using 5i25 from
Mesa or is it something of their own?   




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Re: [Emc-users] PathPilot (what hardware?)

2015-02-18 Thread Belli Button

Ah, 5i25, kewl!  Does this mean we can 'borrow' their software for our own
machines??


-Original Message-
From: Andrew [mailto:pkm...@gmail.com] 
Sent: 18 February 2015 12:51
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] PathPilot (what hardware?)

2015-02-18 12:34 GMT+02:00 Belli Button be...@iafrica.com:

 I'm more curious about the hardware, do you think they are using 5i25 
 from Mesa or is it something of their own?

 It's MESA.
Look at http://www.tormach.com/document_direct_download.html?doc_id=893 ,
Figure 6

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Re: [Emc-users] BLDC Hal component

2015-01-30 Thread Belli Button

Maak 'n lat vir  jou eie gat?

-Original Message-
From: Marius Liebenberg [mailto:mar...@mastercut.co.za] 
Sent: 30 January 2015 15:17
To: andy pugh
Cc: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] BLDC Hal component

We have a saying in my language that roughly translated says : I have just
picked a lashing stick for my own ass :)

He said I should covert to steppers for the sake of cost and I said No lets
try and make the servos work.

I will have to look at Jon's stuff as well before I decide. Thanks for all
the great info. I have a feeling though that I will ask some more questions
on the BLDC component in the near future.

-- Original Message --
From: andy pugh bodge...@gmail.com
To: Marius Liebenberg mar...@mastercut.co.za
Cc: Enhanced Machine Controller (EMC) 
emc-users@lists.sourceforge.net
Sent: 2015-01-30 14:54:06
Subject: Re: Re[2]: [Emc-users] BLDC Hal component

On 30 January 2015 at 12:33, Marius Liebenberg mar...@mastercut.co.za
wrote:

  196V @ 8.5A and looks like a resolver feedback. These are the Lafert. 
The
  others I have not seen yet.

That sounds a lot like what I have on my mill.

Pico-systems have a 160V / 20A servo drive that can probably be made to 
work along with their resolver-to-quadrature converter. I think you 
would need advice from Jon as to how to commutate using the converter.
It may be that the bldc component can help there.

On my machine I am using a set of the Mesa 8i20 drives and the 7i49 
resolver interface board. Because the 8i20 takes digital phase angle 
information I am not using the 7i49 analogue outputs, and had to add a
7i44 for the serial comms. The FPGA board on my system is the 5i23 but 
I think that 5i24 or 6i24 are cheaper and equivalent now.

There are drives from the likes of AMC that take +/-10V command and 
hall signal patterns. The bldc component can convert resolver feedback 
from the 7i49 to hall patterns. This might also work with the Pico 
drives, but I think that they are PWM controlled rather than analogue.

You almost certainly can't connect resolvers to the parallel port even 
through quadrature converters because the counts-per-rev is too high.
The Pico boards count in hardware (and connect to the parport) so do 
work with their resolver to quadrature board.

Whilst other options exist, the 5i23 / 7i49 / 7i44 / 8i20 combination 
is known to work, though is not inexpensive.

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Re: [Emc-users] MA860H Stepper Driver

2015-01-16 Thread Belli Button

These drives are not made by Leadshine.  I have never seen a real Leadshine
badge engineered by someone else (but they might exist).  These drives are
made by a different manufacturer and not in the same league as a real
Leadshine.  I have compared them side by side, I'll take photo's one day.

Cheers,

-Original Message-
From: Kirk Wallace [mailto:kwall...@wallacecompany.com] 
Sent: 16 January 2015 19:11
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] MA860H Stepper Driver

On 01/16/2015 06:48 AM, Dave Cole wrote:
 That looks identical to this Leadshine item.

 151414015351

The pin out is different so the PCB is different for some reason.

 Leadshine has a good reputation for stepper drivers.   They also make a
 120 VAC input stepper driver with 8+ amps of output.

I found the DM1182 and DM2282 but they are significantly more expensive. 
The MA860H was cheap enough to to try out and not feel too bad if it didn't
work out. The DMs have some nifty features which would be fun to play with,
someday.


 If you have the time to wait you can get some bargains directly from
 China suppliers.

 Dave

When I ordered my drive I knew how long it might take to ship, but 2.5 
weeks is still a long time to wait.



 On 1/15/2015 9:40 PM, Kirk Wallace wrote:
 I just received one of these (2.5 weeks from China) as a possible
 replacement for my unipolar driver that keeps blowing out transistors:
 http://www.ebay.com/itm/331393094727

... snip

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Re: [Emc-users] MA860H Stepper Driver

2015-01-16 Thread Belli Button

It is not a clone, both drives are black and that' s about where the
similarity ends.  The Leadshine name carries such weight that nobody will
rebadge it preferring to use the original name.  These other drives are sold
under many different brands and I don't know who the real manufacturer is. 
I have seen the bad connector problem causing arcing on the contacts which
eventually causes the drive to fail.

Cheers,

-Original Message-
From: Dave Cole [mailto:linuxcncro...@gmail.com] 
Sent: 16 January 2015 22:20
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] MA860H Stepper Driver

Are you saying that the drive that Kirk pointed out is a Chinese Clone of a
Chinese Stepper drive??
That seems unlikely.   I'd be surprised if the Chinese government would 
allow that to occur.
Or does Leadshine have various grades of stepper drives?

Dave



On 1/16/2015 1:25 PM, Belli Button wrote:
 These drives are not made by Leadshine.  I have never seen a real 
 Leadshine badge engineered by someone else (but they might exist).  
 These drives are made by a different manufacturer and not in the same 
 league as a real Leadshine.  I have compared them side by side, I'll take
photo's one day.

 Cheers,

 -Original Message-
 From: Kirk Wallace [mailto:kwall...@wallacecompany.com]
 Sent: 16 January 2015 19:11
 To: emc-users@lists.sourceforge.net
 Subject: Re: [Emc-users] MA860H Stepper Driver

 On 01/16/2015 06:48 AM, Dave Cole wrote:
 That looks identical to this Leadshine item.

 151414015351
 The pin out is different so the PCB is different for some reason.

 Leadshine has a good reputation for stepper drivers.   They also make a
 120 VAC input stepper driver with 8+ amps of output.
 I found the DM1182 and DM2282 but they are significantly more expensive.
 The MA860H was cheap enough to to try out and not feel too bad if it 
 didn't work out. The DMs have some nifty features which would be fun 
 to play with, someday.

 If you have the time to wait you can get some bargains directly from 
 China suppliers.

 Dave
 When I ordered my drive I knew how long it might take to ship, but 2.5 
 weeks is still a long time to wait.


 On 1/15/2015 9:40 PM, Kirk Wallace wrote:
 I just received one of these (2.5 weeks from China) as a possible 
 replacement for my unipolar driver that keeps blowing out transistors:
 http://www.ebay.com/itm/331393094727
 ... snip


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Re: [Emc-users] VFD trouble

2014-11-26 Thread Belli Button

I think the spindle manufacturers expressly forbid auto tune.  Try setting
the inverter to 400Hz, this indicates to the inverter that it is a low
inductance motor and will be able to control the current better, remember to
set both base frequency and max frequency.

-Original Message-
From: alex chiosso [mailto:achio...@gmail.com] 
Sent: 26 November 2014 17:40
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] VFD trouble

This VFD has also a Auto tune function , did you tried it ?

Alex

On Wed, Nov 26, 2014 at 4:34 PM, alex chiosso achio...@gmail.com wrote:

 Hi Viesturs.
 How did you connect the motor phases (on the motor terminal blocks) 
 star or triangle ?
 The motor seems to be a 2 poles (12000rpm at 200Hz) and the phase 
 voltage is 220VAC so you should connect the motor phases to star type
isn't it ?
 Are you driving the speed reference with an analog input or via a 
 digital input o via the VFD keypad ?
 Are you sure that you're giving the right reference value to the VFD ?

 Alex

 On Wed, Nov 26, 2014 at 4:19 PM, p...@wpnet.us wrote:

 The VFD manufacturers have white papers specifically covering driving 
 multiple motors from one larger VFD so it's absolutely a supported 
 configuration. You need separate overcurrent protection for each 
 connected motor though since the VFD's OCP can't work to protect an 
 individual motor in such a configuration.

 --Original Mail--
 From: Ron Ginger rongin...@roadrunner.com
 To: emc-users@lists.sourceforge.net
 Sent: Wed, 26 Nov 2014 07:38:27 -0500
 Subject: Re: [Emc-users] VFD trouble

 Are you trying to run 2 motors wired in parallel to one VFD? I dont 
 think that will work. Their rotors will never be in phase so any 
 feedback generated is going to be really strange to the VFD.

 ron ginger

 On 11/25/2014 10:30 PM, emc-users-requ...@lists.sourceforge.net wrote:
 I need to drive 2 high-speed spindle motors, 3,7 kW each. For that 
 I have 11 kW VFD.

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Re: [Emc-users] Getting featues implemented / bugs fixed

2014-11-03 Thread Belli Button

I would be willing to pay to have new features added, trouble is, I doubt that 
I could pay enough!  To think what we pay the current developers...

Cheers,

-Original Message-
From: andy pugh [mailto:bodge...@gmail.com] 
Sent: 03 November 2014 15:26
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Getting featues implemented / bugs fixed

On 3 November 2014 12:42, Christian Stöveken christian.stoeve...@gmail.com 
wrote:

 What my suggestion was is to hire someone to implement the missing 
 features - or even crowdsource the funding for fixing bugs and 
 implementing the missing features.

How would you determine the payment due for the time taken for someone to get 
up to speed with all the necessary parts of the system?

Before working out how to get the changes that you want made, is there a list 
of what those changes are? Some may be on the way, some may be easy, some may 
be impossible (or at least incompatible)

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Re: [Emc-users] LCNC replacement for Torchmate control?

2014-08-24 Thread Belli Button

+1 for SheetCAM and Draftsight!

I am sure that you can use these with your existing Torchmate too.

-Original Message-
From: Gregg Eshelman [mailto:g_ala...@yahoo.com] 
Sent: 24 August 2014 09:32
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] LCNC replacement for Torchmate control?

On 8/23/2014 1:38 PM, Chris Kelley wrote:
 I converted a 5' X 10' Torchmate to LCNC 'bout a year and a half ago.

 The THC box was crap, couldn't hold the torch height withing + or - 4 
 volts. The operator would just manually control the height for hours on
end.

 I ditched the THC box/servo and the USB controller box but kept the 
 box that housed the stepper drives and power supply. I built another 
 box to hold a Mesa 7i76 and a Mesa THCAD-300. Replaced the Z-axis 
 servo with a stepper, added another driver, added a touch-off switch 
 to the Z, and installed limit switches for the Y axis and both sides 
 of the gantry (used
 JA3 branch to auto-square the gantry every time it's homed). You could 
 probably sell the parts you don't need and cover the cost of new Mesa
stuff.

 One that machine, I also added a pneumatic air scribe on a pneumatic 
 slide next to the torch for plate marking.

 For rip cutting, I just saved programs that would cut 48.5, 60.5, and 
 120.5 inches in both X and Y directions. I never got around to it, but 
 a NGCGUI tab shouldn't be too hard to make to do this.

 For CAD, we exported DXFs from Solidworks, but I do a lot of simple 
 stuff in Draftsight (runs on Linux and is free-as-in-beer). For 
 CAM/tool-path generation I am a big fan of SheetCAM (not free, but 
 worth it). SheetCAM also runs under Linux but works better under Wine.

 Before I converted that table, it would take one of the engineers 
 almost an hour using the Torchmate software to make a program for a 
 couple of parts for the table operator to run.  After the conversion, 
 SheetCAM was easy enough to use that all us engineers had to do was 
 export a DXF and let the machine operator handle the nesting and program
generation.

This one has the THC with the blue display and the Z axis is run with a
stepper. The gantry never needs squaring because it has a rack on both sides
and the drive gears are connected by a shaft. (No idea why it's an ACME
threaded shaft.) I dunno why anyone would ever *want* a gantry where the two
sides aren't mechanically linked. It's so dead simple and can't get out of
whack, plus you don't need an extra motor and driver.

The shop was going to buy a CandCNC all in one box and motors then build a
table and gantry from scratch, but those units are built to order and I was
browsing Craigslist and found this cheap Torchmate table ready to go.
Well, ready except for the dead PC that probably ate too much metal dust.
Since the frame is all heavy 4x4 tube a water table convert was easy as
welding a sheet of steel to the bottom.

On the List Of Things To Do is build a control booth to keep the electronics
clean, keep the operator and cutter box cool and
un-deafened* (damn that thing is LOUD when cutting) and have a window with a
welding screen for eyesight saving.

*I was not one of those dumb teenagers always with the stereo at TOP
(Threshold Of Pain) and at 43 still have hearing as good as I ever did.

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Re: [Emc-users] (no subject)

2013-11-09 Thread Belli Button

I think LCNC can only execute one Gcode per servo cycle. Does it help to
reduce your servo cycle time?



-Original Message-
From: aaron moore [mailto:aaronmo...@linuxmail.org] 
Sent: 09 November 2013 12:58 PM
To: EMC userslist
Subject: [Emc-users] (no subject)

Hi
I am trying to get my head around running a rotary axis on top of a 3 axis
router, but I am having problems;

The main one is low feed speed. I have tried editing the code and increasing
feed and acceleration in the ini file to increase the speed, but in makes no
difference. I am trying to cut a helical final cut, which seems to have lots
of tiny moves, but other files I have tried are almost as slow. Can any one
offer some advice? The computer I run Lcnc on is very old an slow, does that
have any bearing?
Thanx in advance
Aaron

Re-Form Furniture
Aaron Moore
Conileigh
Skinners Bottom
Redruth
Cornwall
TR16 5DY

Tel: 01209 890084
Mob: 07805686188
Email:aaronmo...@linuxmail.org
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Re: [Emc-users] Rotary stage

2013-10-29 Thread Belli Button

Try www.zw3d.com  opens it fine, free 30 day trial version.

Cheers,



-Original Message-
From: andy pugh [mailto:bodge...@gmail.com] 
Sent: 29 October 2013 09:42 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Rotary stage

On 29 October 2013 13:18, Stuart Stevenson stus...@gmail.com wrote:
 Here is a model of the worm and table using the curve in the previous 
 iges file

 https://www.dropbox.com/s/vq62ky4lmmr1nnc/ballwormex1.igs

Unfortunately Alibre refuses to render any teeth on the wheel, and AutoDesk
Inventor crashes when trying to open the file.
Which is all rather unsatisactory.

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Re: [Emc-users] Following Error with Steppers

2013-10-05 Thread Belli Button

Hey no!  We love PNCconf, for an initial setup it the fastest method to get
about 90% done.  Life would be miserable without it (really).

-Original Message-
From: Marius Liebenberg [mailto:mar...@mastercut.co.za] 
Sent: 05 October 2013 08:24 AM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Following Error with Steppers

On 2013/10/05 06:54 AM, Chris Morley wrote:
 Thanks for that. Some times I think PNCconf is linuxcnc's red hair 
 stepchild. I think most Devs underestimate the importance of what it 
 is trying to achieve. But just about when I'm ready to remove it from 
 linuxcnc someone mentions it was very helpful :) Chris M

NOOO! never think of that again please. It is very very useful even if has
some small issues. It is one of the most important pieces of code of LCNC.
Don't kid yourself, we need it very much.I for one will be very lost without
that and stepconf for that matter.

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Tel: +27 12 743 6064
Fax: +27 86 551 8029
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Re: [Emc-users] Very weird thing with my stepper motors. They don't like to be moved while running.

2013-09-22 Thread Belli Button

Ahem, language please...
This is the LCNC forum.


Set the velocity to about one third on the slider in mach Set the
Acceleration to about one third on the slider in MACH.
Apply at least 36v - 80v supply to the drives on the VM pins. Anything less
than 24v will deliver nothing.

These setting will be corrected as soon as you are in a position to
calibrate the machine so don't worry to much about them now. If you can't
get the motors to turn with these setting then something else is wrong.

If the above does not produce results, I would think about the pins that are
used (not normal in this case)





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Re: [Emc-users] just noticed on Hackaday --- new free 3D CAD program almost here

2013-09-15 Thread Belli Button

Ahem,  language please.  ;-)

-Original Message-
From: Marius Liebenberg [mailto:mar...@mastercut.co.za] 
Sent: 15 September 2013 08:31 AM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] just noticed on Hackaday --- new free 3D CAD
program almost here

On 2013/09/15 02:37 AM, Ron Bean wrote:
 DesignSpark Mechanical is not supported on virtual platforms.

 I don't know if is not supported means it won't work or just we 
 don't care enough to test.

 I wondered if DesignSpark was cloud-based, just because all the recent 
 closed-source freeware seems to be built on that model. Does anyone 
 know if it will work without an internet connection? (I guess we'll 
 find out on Monday.)

It will work without a connection but that will be pointless as you draw
libraries and new models from the net constantly. Especially in the early
days where new models will be scarce.
I have a machine that I do all my design work on and it is not connected to
the internet for fear of destruction by delinquent assholes. It is connected
to my network and then I have a laptop that is connected to the internet. On
the laptop I get all the latest updates and then I run Syncback to update
any libraries on the development machine.

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Re: [Emc-users] Best write up ever?

2013-08-28 Thread Belli Button

Gentle persons,  (contributed by K. Reed)

Please let's not get carried away, many people have contributed enormous
time and effort and have done so silently.  To take the trouble and write
all the information of a retrofit into a single site is a lot of work but
for many of us on the fringes it is really valuable information in a single
place.  I'm sure that most contributors will simply get a warm and fuzzy
feeling when they see some of their work being used and be happy with that.
While attributions are nice and a courtesy (necessary) we need to remember
that the person who wrote these pages is not English speaking and I am sure
that he would gladly acknowledge the origins but given that most of this was
done over a period of time I am sure he forgot (like some of us do) where he
found it all.

Groeten,
Bellisimo!


-Original Message-
From: Sven Wesley [mailto:svenne.d...@gmail.com] 
Sent: 28 August 2013 10:28 AM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Best write up ever?

2013/8/28 Ed Nisley ed.08.nis...@pobox.com

 On 08/27/2013 06:11 PM, Sven Wesley wrote:
  Amazingly well written.

 If ripping someone's blog posts in their entirety counts as flattery, 
 then I'm honored by their LinuxCNC Touch Probe writeups: items 1, 3, 
 and
 4 in that section seemed *very* familiar. [grin]

 Compare:

 http://www.vdwalle.com/Norte/EMC2%20%20Ugliest%20Tool%20Length%20Probe
 %20Station.htm

 with:


 http://softsolder.com/2010/04/14/emc2-ugliest-tool-length-probe-statio
 n-ever/

 On the other paw, link rot being what it is, that's a good way to 
 ensure they've got the information where they need it, when they need it.

 A citation in keeping with the Creative Commons license for my blog 
 content would have been a nice touch, though...


You should contact them and point out that the pages are stolen.
But link rot is a dead link. That's not the same. I think on the other hand
they could afford to add a link (not rotten) to your page.

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Re: [Emc-users] The LCNC Forum

2013-08-09 Thread Belli Button

I'm having trouble trying to retrieve my password from the forum, even tried
re-registering.  Anybody else having difficulty?




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Re: [Emc-users] Planning phase for new machine, need decision support

2013-08-09 Thread Belli Button

I think your  'Inertia Table load' is incorrect, pitch is defined as the
distance the table moves with one turn of the motor (2pi), ignore the gear
ratio.

Bellisimo

-Original Message-
From: Sven Wesley [mailto:svenne.d...@gmail.com] 
Sent: 09 August 2013 08:11 PM
To: Steve Blackmore; Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] Planning phase for new machine, need decision
support

2013/8/9 Steve Blackmore st...@pilotltd.net

 Hi Sven - have a read of this

 http://www.arceurotrade.co.uk/projects/X3-CNC/X3_Article_Part_1.pdf

 An article by Dick Stephen about converting an SX3 mill, but this 
 section gives a good explanation of the math required to work out what 
 size steppers are required. Mariss formula lacks some detail ;)

 Steve Blackmore

Thanks Steve, that got me thinking. :)
And as it happened I had some boring long term tasks at work today (load
testing of a distributed retail system) and some spare time when watching
the monitors and log files. So I took it further and sourced some of the
heavy formula's. I didn't go to the fullest, I have added a default
inertia for motor and reduction for example. But the calculations turned out
to be quite interesting and fun to play with so I updated the calc sheet
pretty much. Please have a look!
Some goes as before, could be totally wrong (At least I tried!).
http://bit.ly/16DrFdP

/Sven

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Re: [Emc-users] emco compact 5pc lathe and linuxcnc (no mods to original control) (Now - hal is awesome)

2013-08-05 Thread Belli Button

Hi Sam,

Did you post your newest .hal and .ini?

-Original Message-
From: sam sokolik [mailto:sa...@empirescreen.com] 
Sent: 05 August 2013 04:13 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users] emco compact 5pc lathe and linuxcnc (no mods to
original control) (Now - hal is awesome)

Fun with linuxcnc...  I stole the program from jmk here
http://jmkasunich.dyndns.org/cgi-bin/blosxom/shoptask/fusee-1.html

Variable pitch/diameter threading...
http://electronicsam.com/images/emco/fusee3.JPG

sam

On 7/20/2013 10:21 AM, sam sokolik wrote:
 No problem..  When we got these - It took a couple of days to figure 
 out what the old pc software did (between actual circuit tracing and 
 the
 internet)

 I don't know how many of the compact 5pc lathes are still out there - 
 unmolested...  but this really does allow them to try linuxcnc without 
 any changes to the lathe at all.

 (I think that is quite cool!)

 this is what linuxcnc outputs (this is just showing full wave)  the 
 latch is what makes the 74ls374 work in the emco interface.
 http://www.electronicsam.com/images/emco/Waveform.svg

 sam

 On 07/19/2013 09:48 AM, John Alexander Stewart wrote:
 Sam - well done.

 Thanks for posting here, and on the homeshopmachinist.net bbs (and 
 wherever else you are posting)

 I've got an Emco Compact-8 to CNC-ize this winter - have everything 
 except for the ball screws, so seeing your Compact-5, with the old 
 electronics/steppers working away is really nice to see.

 I also have a contact with a Compact-5 CNC lathe kicking around; have 
 to see if they are willing to part with it, so that I have yet another
project!

 JohnS.
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Re: [Emc-users] query: how long was your longes G-Code program ever?

2013-07-20 Thread Belli Button

   If you wound the tape onto a single spool, it would be 13 feet in
diameter and weigh about 700 lbs.

How do you calculate the diameter of the spool?





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[Emc-users] Max current draw on 7I33 and 7I29

2013-06-26 Thread Belli Button

What is the max current I can draw on the 5V for the (per) encoder without 
external power supply?  Using 7I29 and 7I33.

Thanks, 


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Re: [Emc-users] Integrators Manual - Why one Document

2013-04-22 Thread Belli Button

Manuals?  Who reads manuals??


- Original Message - 
From: Greg Bentzinger skullwo...@yahoo.com
To: emc-users@lists.sourceforge.net
Sent: Monday, April 22, 2013 10:21 PM
Subject: Re: [Emc-users] Integrators Manual - Why one Document


There are multible manuals - This is the integrators manual.

LCNC is whatever you choose to make it.

There are many configs which combine stepper and servo methods of control, 
be it a servo running step/dir signals or otherwise.

A mill I have in progress uses servos via +/-10V signals for X  Y axis, and 
stepper drive for Z  A (4th) axis, topped off with VFD feedback for the 
spindle. All these will have to work togather and LCNC has the flexability 
to make it happen. The info required to configure this does not need to be 
spread all over.

If anything LCNC could benefit from more consolidation, but for the most 
part LCNC continues to grow just as is.
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Re: [Emc-users] Mar 3, 2013: LinuxCNC 2.5.2 released

2013-03-05 Thread Belli Button

I think more correctly:

 In science no new theory ever triumphs, but its opponents slowly die.  - 
Max Planck

- Original Message - 
From: Erik Christiansen dva...@internode.on.net
To: emc-users@lists.sourceforge.net
Sent: Tuesday, March 05, 2013 10:16 AM
Subject: Re: [Emc-users] Mar 3, 2013: LinuxCNC 2.5.2 released

 On 04.03.13 11:11, Pete Matos wrote:
 Ummm..rightwhatever he said. Peace LOL

 It's only my translation, but here goes:

 In science no new theory ever triumphs, but its opponents die by
 degrees.  - Max Planck

 Erik

 On Monday, March 4, 2013, craig cr...@facework.com wrote:
  On 3/3/2013 5:05 PM, W. Martinjak wrote:
  In der Wissenschaft siegt nie eine neue Theorie,
  nur ihre Gegner sterben nach und nach

  Max Planck
  Great quote.   thanks/ danke

  craig

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Re: [Emc-users] Eh! What?

2012-11-20 Thread Belli Button

Ah yes, that error!  It is a problem


- Original Message - 
From: dave dengv...@charter.net
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Tuesday, November 20, 2012 8:45 PM
Subject: [Emc-users] Eh! What?


 http://imagebin.org/236609

 Pretty much self explanatory. Read the error message in the UL corner.
 I think my machine has been smoking the wrong stuff.
 What is going on here?

 Quick cure?

 TIA

 Dave


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Re: [Emc-users] VFD input

2012-11-20 Thread Belli Button

How many kW are you looking for?

Greg


- Original Message - 
From: Przemek Klosowski przemek.klosow...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Wednesday, November 21, 2012 12:28 AM
Subject: [Emc-users] VFD input


 Not strictly EMC but I am sure people here will know the answer. We all
 know that a 3-phase VFD can often be used off one-phase. Since all the
 current is then pulled off the one leg of the input rectifier, the 
 standard
 wisdom says that you derate the VFD power in this situation by a factor of
 2 or so.

 It occurred to me that since the input circuit should be just a 3-phase
 rectifier, it should work to connect all three input terminals together,
 and feed that from the single phase.

 Would it work on  the VFDs you're familiar with?

 I can see that, while equalizing the load across the rectifiers, this
 scheme doesn't help with power variation within the 50/60Hz cycle, so some
 derating is still called for, I think.
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Re: [Emc-users] Mach 4

2012-11-08 Thread Belli Button

I know this isn't the right place but given a recent discussion

http://www.machsupport.com/comparison.php



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Re: [Emc-users] Router speed

2012-09-21 Thread Belli Button

Is it true that Px.x  is the allowable distance from the exact tool path and 
followed by Q allows how far ahead along the tool path it can blend the 
move?  No sure myself, some one told me this once.

- Original Message - 
From: Sebastian Kuzminsky s...@highlab.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Friday, September 21, 2012 3:51 PM
Subject: Re: [Emc-users] Router speed

Check your trajectory control mode:
http://www.linuxcnc.org/docs/2.5/html/common/User_Concepts.html#_trajectory_control_a_id_sec_trajectory_control_a

I've seen CAM software put the machine in exact path mode (G61) or
exact stop mode (G61.1), which will make it run way too slow on short
moves in wood.  You want blend with tolerance mode (G64 Px.xxx).

On 09/21/2012 07:38 AM, Claude Froidevaux wrote:
 It can be both trajectory planning (especially if G-code is really
 heavy), and acceleration.

 High acceleration is a need to have fast curve speed, thus keeping high
 moving speed on difficult trajectory.

 Le 21.09.2012 13:32, aaron moore a écrit :
 Hi EMC
I have a router running emc. Feed speed is good on straightlines, 
 however curves and circles are often slow and tend to burn the wood. Can 
 anyone explain how I can improve this.
Thanks in advance
Aaron

 Re-Form Furniture
Aaron Moore
Conileigh
Skinners Bottom
Redruth
Cornwall
TR16 5DY

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Re: [Emc-users] Router speed

2012-09-21 Thread Belli Button

Sorry, should have read the link first!  G64 P- Q- - (Blend With Tolerance 
Mode)

Greg
- Original Message - 
From: Sebastian Kuzminsky s...@highlab.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Friday, September 21, 2012 3:51 PM
Subject: Re: [Emc-users] Router speed

Check your trajectory control mode:
http://www.linuxcnc.org/docs/2.5/html/common/User_Concepts.html#_trajectory_control_a_id_sec_trajectory_control_a

I've seen CAM software put the machine in exact path mode (G61) or
exact stop mode (G61.1), which will make it run way too slow on short
moves in wood.  You want blend with tolerance mode (G64 Px.xxx).

On 09/21/2012 07:38 AM, Claude Froidevaux wrote:
 It can be both trajectory planning (especially if G-code is really
 heavy), and acceleration.

 High acceleration is a need to have fast curve speed, thus keeping high
 moving speed on difficult trajectory.

 Le 21.09.2012 13:32, aaron moore a écrit :
 Hi EMC
I have a router running emc. Feed speed is good on straightlines, 
 however curves and circles are often slow and tend to burn the wood. Can 
 anyone explain how I can improve this.
Thanks in advance
Aaron

 Re-Form Furniture
Aaron Moore
Conileigh
Skinners Bottom
Redruth
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Re: [Emc-users] Using MPG under world mode

2012-09-18 Thread Belli Button

Hi All,

Can I jog using an MPG in world mode?  Surely if it is possible to jog 
manually the MPG can be made to work?

Is there a widget, component or hal thingy that will allow if homed = true 
then mode = world mode, save me having to do it manually everytime.

Thanks,


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Re: [Emc-users] [OT] measuring real-world latency, was Re: worsk: sim parport component

2012-09-07 Thread Belli Button

Just about any cheap Digital scope will do this these days, set the display 
to 'persist' and then measure the width of the line that forms.

Greg


- Original Message - 
From: Michael Haberler mai...@mah.priv.at
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Friday, September 07, 2012 4:17 PM
Subject: Re: [Emc-users] [OT] measuring real-world latency,was Re: worsk: 
sim parport component



 Am 07.09.2012 um 16:04 schrieb Kent A. Reed:

 On 9/3/2012 4:51 PM, Michael Haberler wrote:
 well, that seems to work just fine - no major surprises

 here's as screenshot from a logic analyzer connected to an Intel D5252 
 parport, running the userland parport driver in sim mode

 http://static.mah.priv.at/public/uparport.png

 it's a 1kHz square; there are delays of up to 4ms in this trace.

 Logic analyzers, oscilloscopes---I know the drill but I no longer have
 easy access to such instrumentation.

 Has anyone come up with simple (e.g., inexpensive) ways to measure
 latencies in the range we are interested in - say a range of 1K - 100K
 pulses per second with pulse widths on the order of microseconds.

 I bit the bullet a while ago and got me an Intronix LogicPort at a setback 
 of $385.- (http://www.pctestinstruments.com/);  but very robust, 
 unfortunately locked in to Windows platform and hence unsuited for 
 scripted interaction for automated tests; I've suggested a scripting api 
 or at least documenting their USB interface to enable that but it seems 
 they dont care - looks like their usage model idea revolves around 
 engineer in lab, with lab coat, in front of Windows PC

 http://www.sump.org/projects/analyzer/  might be a cheaper option

 this german website has a few other project mentioned: 
 http://www.mikrocontroller.net/articles/Logic_Analyzer#SUMP_Logic_Analyzer 
 and down from there

 -m


 Back when the world was young and we wannabe researchers avidly read
 from cover to cover in each new data-book from the likes of TI and
 Motorola, I used to design and build comparable circuits, but then I had
 the bench instrumentation to test my testers, so to speak. Now I'm in a
 catch-22 situation.

 If I could turn back the clock, I'd probably use this problem as a
 reason to explore FPGA, but instead I'm noodling about using a
 Beaglebone or somesuch as a starter.

 Thoughts, anyone?

 Regards,
 Kent


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Re: [Emc-users] QCad - was Re: Curiosity, is gonna run this cat plumb out of lives yet.

2012-08-22 Thread Belli Button

You don't have to be connected to Internet for Draftsight, it gives you a 
'proxy error warning something', just press OK and you're good!


- Original Message - 
From: John Stewart alex.stew...@crc.ca
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Wednesday, August 22, 2012 12:24 AM
Subject: [Emc-users] QCad - was Re: Curiosity,is gonna run this cat plumb 
out of lives yet.


 All:

 I had the Draftsight registration issue, too. I also like to be able to do 
 CAD drawing on my laptop, without an internet connection.

 I got QCAD for my mac. Seems to work; it works better than my knowledge of 
 CAD 2D drawing is, anyway!

 If Draftsight is giving their software away, why bother about the arcane 
 licensing issue? When will they revoke the license? At least with QCad, I 
 own it until the cows come home.

 (I don't like paying for SW, but as a recent paid app developer, I enjoy 
 when people pay for my app!)

 JohnS.


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Re: [Emc-users] Following error with gantrykins

2012-08-17 Thread Belli Button

Hi Andy,

I'll play some more this weekend, I'm was sure that [TRAJ] cannot exceed the 
limits set in [AXIS], read that in the docs somewhere.  I have tried 
increasing stepgenacc to 50% higher than my max acc in [AXIS].

I'm beginning to wonder if [TRAJ] does limit itself to those limits in 
[AXIS]?

Cheers,

- Original Message - 
From: Andy Pugh bodge...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Friday, August 17, 2012 8:26 AM
Subject: Re: [Emc-users] Following error with gantrykins




 On 16 Aug 2012, at 21:23, Belli Button be...@iafrica.com wrote:

 Another thing I noticed is that the Velocity display on the Axis screen 
 is
 correct.  It shows zero velocity after the motor stops (or perhaps where 
 it
 should have stopped) and stays zero while the motor reverses to the 
 correct
 position.

 I think that means that the problem is inadequate stepgen acceleration.
 That matches what I saw in the INI where the stepgen acc seemed to be much 
 lower than [TRAJ] acc.
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Re: [Emc-users] Following error with gantrykins

2012-08-16 Thread Belli Button

Hello,

I have a router with dual Y axis motors.  Running 2.5.1, LPT port, Intel 
525, 10.04.  When jogging in joint mode [AXIS] the axis move in the correct 
manner, acc, vel, etc as set in AXIS[].  After homing and entering world 
mode the jogging is slaved but is follows a different set of rules [TRAJ]. 
However I get a joint following error on all the axes unless I set the 
figure very high (100mm).  I can jog but it overshoots the position by as 
much as 30-40mm and then comes back to settle in the correct place just like 
a poorly tuned servo loop..  Changing step_gen_acc has no effect as this 
only applies to joint mode, playing with max_acc, max_vel. etc in TRAJ seems 
to have no effect either.  You can clearly hear the effects by listening to 
the noises of the motor on acc and dec.

Any idea's?

Greg 


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Re: [Emc-users] Following error with gantrykins

2012-08-16 Thread Belli Button

Hi Andy,

Do you mean as per below?  I've tried values from very small to very large 
with no effect.  Does this variable have to loaded into the .hal anywhere? 
Do you think there is a hard coded limit in the SW?

Greg
[TRAJ]

AXES = 4

COORDINATES = X Y Z A

CYCLE_TIME = 0.010

LINEAR_UNITS = mm

DEFAULT_VELOCITY = 50.00

DEFAULT_ACCELERATION = 800.00

MAX_VELOCITY = 200.00

MAX_ACCELERATION = 800.00

ANGULAR_UNITS = degree

DEFAULT_ANGULAR_VELOCITY = 800.00

DEFAULT_ANGULAR_ACCELERATION = 800.00

MAX_ANGULAR_VELOCITY = 800.00

MAX_ANGULAR_ACCELERATION = 800.00



#X AXIS (Cross)

[AXIS_0]

TYPE = LINEAR

HOME = 0.0

MAX_VELOCITY = 150.0

MAX_ACCELERATION = 400.0

STEPGEN_MAXACCEL = 450.0

SCALE = -200.0

FERROR = 100

MIN_FERROR = 100

MIN_LIMIT = -0.001

MAX_LIMIT = 1260.0

HOME_OFFSET = -5.00

HOME_SEARCH_VEL = -10.00

HOME_LATCH_VEL = -2.50

HOME_SEQUENCE = 1

- Original Message - 
From: andy pugh bodge...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Thursday, August 16, 2012 3:54 PM
Subject: Re: [Emc-users] Following error with gantrykins


 On 16 August 2012 15:45, Belli Button be...@iafrica.com wrote:

  After homing and entering world
 mode the jogging is slaved but is follows a different set of rules 
 [TRAJ].
 However I get a joint following error on all the axes unless I set the
 figure very high (100mm).  I can jog but it overshoots the position by as
 much as 30-40mm and then comes back to settle in the correct place just 
 like
 a poorly tuned servo loop..  Changing step_gen_acc has no effect as this
 only applies to joint mode, playing with max_acc, max_vel. etc in TRAJ 
 seems
 to have no effect either.

 The parameter you need to adjust in [TRAJ] is:
 [TRAJ] DEFAULT_ACCELERATION
 That should control the acceleration in World Mode.

 -- 
 atp
 If you can't fix it, you don't own it.
 http://www.ifixit.com/Manifesto

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Re: [Emc-users] Following error with gantrykins

2012-08-16 Thread Belli Button

Another thing I noticed is that the Velocity display on the Axis screen is 
correct.  It shows zero velocity after the motor stops (or perhaps where it 
should have stopped) and stays zero while the motor reverses to the correct 
position.

Greg
- Original Message - 
From: John Kasunich jmkasun...@fastmail.fm
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Thursday, August 16, 2012 5:47 PM
Subject: Re: [Emc-users] Following error with gantrykins

 On Thu, Aug 16, 2012, at 11:35 AM, Andrew wrote:
 2012/8/16 andy pugh bodge...@gmail.com

 Also, can you explain me The acceleration and deceleration phase each
 use
 half the ini file MAX_ACCELERATION. In a blend that is an exact reversal,
 this causes the total axis acceleration to equal the ini file
 MAX_ACCELERATION (User concepts). How is it possible that an axis
 decelerates and accelerates simultaneously?

 Each move consists of an acceleration period, a cruise period, and a
 deceleration period.  In exact stop mode, one move completes all three
 periods, then the next move starts.

 When blending, the accel portion of a new move is overlapped with the
 decel portion of the previous move.  If both moves are in the same
 direction, then the accel and decel cancel, and the actual speed
 remains constant - perfect blending.

 -- 
  John Kasunich
  jmkasun...@fastmail.fm

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Re: [Emc-users] BASE_PERIOD and Intel D525MW boards

2012-07-24 Thread Belli Button

I have just bought a few of these, out the box (LCNC 2.4.3 and 2.5) I am 
getting jitter in the 5000ns range, are you saying that without the hyper 
threading turned off, the jitter is really much higher?  I haven't connected 
a motor to see test it and I don't get any RT errors while playing.

Greg


- Original Message - 
From: Gene Heskett ghesk...@wdtv.com
To: emc-users@lists.sourceforge.net
Sent: Tuesday, July 24, 2012 7:18 PM
Subject: Re: [Emc-users] BASE_PERIOD and Intel D525MW boards


 On Tuesday 24 July 2012 13:11:56 John Stewart did opine:

 Gene, Andy:

 Andy; I thought it was reliable, too….  (read on)

  I have 2 of them, running at 23000 ns for a BASE_PERIOD.  I can run
  most of the day without encountering a realtime error.

 Good - I'll try your BASE_PERIOD - (read on)

  I assume you also have the option set in the kernel line of your
  grub.conf

 Thanks for the slap on the back of the head . Let me check that - I
 did but it might have been removed by some machine updates.

 And don't forget to turn off that time waster in the bios called
 hyperthreading.  A quick test for that is to check and see how many cpu's
 the machine _thinks_ it has, running htop for instance.  If its not been
 disabled, it will show 4 cores, but the machine is actually faster with
 that turned off as the bios code wastes 10% of the machines cycles doing
 needless context swaps.  A solution of sorts that when running linux, will
 never find the problem it is supposed to fix.

   Going to 23000 will make a noticeable difference in the machines
 
  top speed in that event.
 :
 :-)
 :
  That also assumes you have stepper voltages high
  enough to make decent torque at those speeds. 24 is often borderline
  IMO, my mill is running a 28 volt supply, my lathe a 38 volt under
  load.

 Running at circa 42V - G540, calculated optimal voltages from equations
 on gecko web site, and tuned my power supply to that.

 Custom wound transformers?

 It's a little Sieg KX1 with a Gecko G540.

 I'll verify that isoclplus (name like that) parameter, and try your
 BASE_PERIOD and email back in a couple of days with results.

 Thanks;

 JohnS.

 NP :)

 Cheers, Gene
 -- 
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 soap, ballot, jury, and ammo. Please use in that order.
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  I tripped over a hole that was sticking up out of the ground.

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Re: [Emc-users] Docs/Messages

2012-07-23 Thread Belli Button

I think 'Shop owner resistance' stems from the fact that LCNC does not have 
an 0800 'Help desk' or 'call your nearest agent', etc.  There is no '30 day 
money back satisfaction guarantee' or 'Full refund if you are not completely 
satisfied' which is a something that everybody expects these days, figuring 
stuff out by yourself or having to get your hands dirty is an instant 
obstacle for many.  No UI that gave you hints of faults or a debug list is 
going to change human nature.

Cheers,




- Original Message - 
From: Stuart Stevenson stus...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Monday, July 23, 2012 5:44 PM
Subject: Re: [Emc-users] Docs/Messages


I was thinking of having a debug level of messages interspersed in the
 config files that when read would build a display of the program flow with
 a 'token' showing where the control flow is currently. This would allow a
 debug to pinpoint the stopping point and also watch the flow during the
 development phase.

 this is just my idea of a possible solution to 'shop owner resistance'

 On Mon, Jul 23, 2012 at 10:18 AM, cogoman cogo...@optimum.net wrote:

 On 07/23/2012 10:45 AM, Stuart Stevenson wrote:
  Maybe a debug gui with message tags at various places in the software 
  to
  display the control flow and where the current tag is stopped.
Are you thinking of a program to comb through the log files looking
 for error messages that we know how to fix?


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Re: [Emc-users] LinuxCNC: The new name of the Enhanced MachineController

2012-01-18 Thread Belli Button

There is an 'LNC' CNC controller, probably just EMC in a box.


- Original Message - 
From: Sebastian Kuzminsky s...@highlab.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Wednesday, January 18, 2012 6:28 PM
Subject: Re: [Emc-users] LinuxCNC: The new name of the Enhanced 
MachineController


On Jan 18, 2012, at 08:02 , gene heskett wrote:
 On Wednesday, January 18, 2012 10:02:01 AM Lester Caine did opine:
 Did nobody consider simply 'LMC' Linux Machine Controller ...

 Humm, that does have a certain poetic sound to it.


It's no good, we'd just get sued by the Large Magellanic Cloud…


-- 
Sebastian Kuzminsky


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Re: [Emc-users] [OT] CadSoft releases Eagle V6 to beta testing

2011-11-06 Thread Belli Button

Hi,

I doubt that the PCB fab shops will ever have to 'catch up'.  Changing to a 
.xml format will allow you to share designs between different PCB packages 
and allow a more open way to share files, it has nothing to do with getting 
the boards fabbed. Gerber and Excellon have been the de-dacto standard file 
format for years and there probably isn't a PCB package that doesn't support 
these.  Funny thing though, if there is a package available that could show 
my Gerber plot on the PC, I would like to see it.

Cheers,


- Original Message - 
From: Kent A. Reed knbr...@erols.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Monday, November 07, 2011 4:24 AM
Subject: [Emc-users] [OT] CadSoft releases Eagle V6 to beta testing


 Gentle persons:

 Since we've talked about it recently, you may be interested to know that
 the new version of the CadSoft Eagle schematic capture and board layout
 program has been released to beta testing. As promised, it uses an
 XML-based external file format. (The good news is that XML data
 structures have replaced a proprietary binary format. The not so good
 news is that the pcb fab shops have to catch up.)

 I haven't had time even to download this version but take a look at
 http://www.cadsoftusa.com/betatest/ if you are interested. Linux,
 Windows, and Mac versions are available. Note they have names like
 eagle-lin-5.91.1-beta but by all accounts this will be Version 6 when it
 comes out of beta.

 This is not open-source software but moving to a file format that can be
 parsed and processed by other programs is the next best thing.

 Regards,
 Kent


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Re: [Emc-users] OpenCNC paper

2011-08-29 Thread Belli Button

I think when they say 'open' they mean open your wallets!  Package starts at 
$7000!!

- Original Message - 
From: Eric H. Johnson ejohn...@camalytics.com
To: 'Enhanced Machine Controller (EMC)' emc-users@lists.sourceforge.net
Sent: Monday, August 29, 2011 3:19 PM
Subject: Re: [Emc-users] OpenCNC paper

 Anders,

 Will Shackleford went on to work for MDSI. He was there circa 2005 when I
 visited for training, but at that point I had not realized who he was.
 OpenCNC was the product that indirectly introduced me to EMC and the 
 reason
 I ported the VTI driver from EMC to EMC2, as that was the board we were
 using with OpenCNC. I started out using OpenCNC while playing with EMC as 
 a
 side project. Needless to say, in the end we went with EMC and dropped 
 both
 OpenCNC and the VTI board in the process.

 There really is not much commonality that I could see between the two
 products. I still have a copy (original CDs) of OpenCNC V6.5.

 Regards,
 Eric

 While browsing the interwebs I came across this new paper Performance
 analysis of cross-coupled controllers for CNC machines based upon
 precise real-time contour error measurement
 http://www.sciencedirect.com/science/article/pii/S0890695511001659
 or
 http://dx.doi.org/10.1016/j.ijmachtools.2011.08.015

 It uses MDSI:s OpenCNC controller. Does anyone know if there is any
 common history of the EMC-project and MDSI's open architecture
 OpenCNC ?

 Drop me an email if you are interested in the PDF but are not sitting
 on a campus with access :)

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Re: [Emc-users] erratic behaviour at low feed rates

2011-07-20 Thread Belli Button

Wasn't  there an issue with earlier G540/G250 products?  I seem to remember 
that there was a bug that had to be sorted and it involved low stepping 
rates.

Greg

- Original Message - 
From: Lars Andersson l...@larsandersson.com
To: 'Enhanced Machine Controller (EMC)' emc-users@lists.sourceforge.net
Sent: Wednesday, July 20, 2011 11:29 AM
Subject: Re: [Emc-users] erratic behaviour at low feed rates

I have a G540 that would not step slower than 150 Hz on the Y axis driver. 
3
 other drivers stepped as slowly as I cared to try.
 I originally had 2.6us step pulses obeying the data sheet requirement of
 2us.
 Increasing pulse length to more than 5us fixed (or masked if you wish) 
 this
 issue. The tool to use is setp parport.0.reset-time 5000

 /Lars

 -Original Message-
 From: Igor Chudov [mailto:ichu...@gmail.com]
 Sent: den 15 juli 2011 21:44
 To: Enhanced Machine Controller (EMC)
 Subject: Re: [Emc-users] erratic behaviour at low feed rates

 I had the same issue with erratic behavior, turned out to be a bad
 amplifier. I replaced it.

 On Fri, Jul 15, 2011 at 2:08 PM, gene heskett ghesk...@wdtv.com
 wrote:

  On Friday, July 15, 2011 02:55:36 PM Andy Howell did opine:

   On 07/15/2011 09:40 AM, gene heskett wrote:
On Friday, July 15, 2011 10:37:53 AM Daniel Rogge did opine:
If you swap the X and Y drivers it will be fairly easy to
 determine
whether the problem is with the driver (as Gene suspects) or
 with
friction or mechanical linkages (as Jan suspects).  If the
 problem
stays on Y after swapping drivers, then your driver is absolved,
leaving only mechanical or step signal generation problems as
possibilities.  You can distinguish between these last two by
 only
swapping the control leads between drivers while leaving the
 motor
leads hooked up as they are now.

Rogge

And in any event, please do not silently fix it, the OP should
 post
what the OP did so that we'll have better info to refer to the
 next
time it happens.

   All,

 Thanks for all your pointers. I swapped the X and Y
 connectors at
  the
   Geckodrive controller and the problem rotated 90 degrees.

  Andy: This is pretty solid evidence that it is indeed the gecko, you
 moved
  the problem amplifier to the other motor.  Call Gecko for the next
 step.
  They may be able to repair it at nominal cost.

   I measured
   about 0.0067 inches of backlash on the Y axis. I can turn the Y
 shaft
   about 10~15 degree with no movement, which agrees with calculated
 value
   of 12.06 degrees of backlash. ( 5 TPI screw )

  Yikes! This is huge for a ball screw and I would measure it full
 length to
  see if it is consistent from one end of the screw to the other.  If
 it
  differs by more than half a thou over the length, the screw is worn
 and I
  would replace the whole assembly.  EMC has backlash comp you can
 adjust per
  axis, but its only good if all cuts are dig cuts, climb cuts will
 pull the
  table ahead of the screw very easily, and you will not see that with
 a pen
  in the quill. IOW, replace the whole screw.  Being used, I would
 suspect it
  may have lots of hours doing the same part in the same fixture and
 the
  screw is just plain worn out in the most used portion.  In fact, I
 would,
  based on that, map all 3 screws at 1 cm or 1/2 intervals.

   The X axis backlash is about 0.0005. Both shafts turn freely when
 power
   is not applied. I've found some reference on the Hossmachine site
 that
   the ballnut backlash can be improved by putting in larger bearings.
   I'll try that.

   There seems to be another problem though. I see the X and Y DRO
 values
   changing sometimes without any motor movement. This only happens at
 low
   speeds.

   I'll investigate that further after I address the backlash issue.

   Thank all for your help. I will let the list know how this was
 resolved.

   Regards,

 Andy

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Re: [Emc-users] YAGC

2011-05-19 Thread Belli Button

I think that V would offer a better choice, often when creating G-code for a 
rotary device, your CAM package will default to A for the rotary axis.

Greg


- Original Message - 
From: Viesturs Lacis viesturs.la...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Thursday, May 19, 2011 8:21 PM
Subject: Re: [Emc-users] YAGC


 Try changing the second Y to A, it does not like the same letter twice.
 COORDINATES = X Y Z A

 You will have x, y, z and a axes in Axis gui, but do not worry - if
 You have done kinematics.hal file correctly, then A commands in g-code
 will do nothing.

 Viesturs

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Re: [Emc-users] Draftsight for Linux

2011-03-13 Thread Belli Button

Can this be true??  Hopefully SW is next


http://www.fcsuper.com/swblog/?p=2662

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Re: [Emc-users] How to specify rotational speed (4th axis)

2011-02-08 Thread Belli Button

I 'configure' the rotary axis for 'linear' axis, still 360degrees per turn. 
This allows a call of A720, two turns (A1080, three turns, etc).  Specifying 
it as rotary means it rolls over every 360 degrees, when you have done a few 
turns you don't know where you are on the part.  It does mean that when you 
call A0 at the end of your part it has to 'unwind' all the turns instead of 
a partial turn. It will also probably solve your feedrate problem.

Clear as mud?


- Original Message - 
From: Igor Chudov ichu...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Wednesday, February 09, 2011 8:00 AM
Subject: [Emc-users] How to specify rotational speed (4th axis)


 So I have this rotary table for 4th axis.

 If I specify a rotational move in conjunction with a move in coordinae 
 axes,
 like this

 G1 X1 A25 f1

 then the rotary move is timed to coincide with the dimensional move.

 But f I specify

 G1 A360 F1, the speed is ignored and the rotation occurs at the highest
 speed. Is there some way to specify a speed of rotation alone?
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Re: [Emc-users] Stepper Musings

2010-11-29 Thread Belli Button

Unfortunately when a stepper looses synchronisation, one needs to 'stop' the 
motor for the poles to realign and then you can move the motor again.  I 
cannot see how a motor travelling at a velocity near its maximum capable 
velocity can loose just a single step with out stopping altogether. 
Steppers with encoders could benefit when there are lots of short reversals, 
and a step (or many) might be lost when the motor cannot accelerate and 
decelerate due quickly enough.  Your workpiece might still show evidence of 
missed steps but it is likely that it won't be ruined as the cutter will be 
machine away 'less' when it stops on a reversal.  Clear as mud?

I think (but I'm not sure) that the algorithm used on the Mesa card is a 
hardware step generator and that the delta frequency (commanded frequency 
versus the actual) is proportional to the error, as the error increases, the 
frequency can be increased to compensate.  The following error will stop the 
machine if it becomes too great.  The PID loop controls the actual frequency 
proportionally to the error.

Greg


- Original Message - 
From: andy pugh bodge...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Monday, November 29, 2010 4:07 PM
Subject: [Emc-users] Stepper Musings


 Prompted by a query on the forums on the age-old question of using
 encoders with steppers, I started wondering about wierd and wonderful
 ways to make it work.

 The issue is that steppers just don't have the right characterstics to
 work in a servo loop, as trying to run them harder to recover a missed
 step will probably make things worse.

 So, I pondered the idea of using a PID with a unity feedforward term
 and a negative PGain, so that as long as there is no error the system
 works as a normal stepper setup, but if there is a missed step then
 the error * Pgain would back the velocity off a bit. I think the
 drawback of this is that there is nothing to claw the error back,
 though perhaps a slow I with a higher limit than the P might do it.

 Probably a more promising idea is to not attempt to recover position
 immediately, but to link the output of a PID to the
 motion.adaptive-feed pin, so that any missed steps result in the
 system backing-off the feedrate.You would probably want a slow-I PID
 as a separate component to claw back the missed steps once the
 feedrate has slowed enough.

 Any thoughts?

 -- 
 atp
 Torque wrenches are for the obedience of fools and the guidance of wise 
 men

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Re: [Emc-users] 5i20 Servo and General Input / Output

2010-09-29 Thread Belli Button

Hi Caner,

Use the 7I48 which is a six axis card, this will open up one port for an 
additional 24I/O.

Use the 5i23 card as it supercedes the 5I20, it has twice the number of 
gates which will come in handy later.

Greg


- Original Message - 
From: Caner cnr...@gmail.com
To: emc-users emc-users@lists.sourceforge.net
Sent: Wednesday, September 29, 2010 10:29 AM
Subject: [Emc-users] 5i20 Servo and General Input / Output


 Hi,

 I want to use one Mesa 5i20 for a 6 axis servo controller. I thought
 to use two 7i33 Servo Interface for axes. So i thought that i would be
 using HostMot2's 8-channel servo plus 4 step/dir generators option.
 However it writes 4step/dir generators, i don't need any step/dir
 generators, so do i have possibility to use Mesa 5i20's other 24 pins
 for general Input/Output with using one 7i37 Isolated board? I have
 shown at below. Can i handle these 6 axis and some I/O with using one
 5i20?
--
   |  |
  --- | 7i33 | -- 4 Servo Interface
 | |  |
 |  --
 |
 -- --
 |  |   |  |
 | 5i20 |  | 7i33 | -- 2 Servo Interface
 |  |   |  |
 -- --
 |
 |  --
 | |  |
  --- | 7i37 | -- General General I/O
   |  |
--

 Thanks.

 Caner


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Re: [Emc-users] simple servo amplifier

2010-09-15 Thread Belli Button

Hi Stuart,

Do you have some part numbers for these drives?

- Original Message - 
From: Stuart Stevenson stus...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Wednesday, September 15, 2010 3:22 PM
Subject: Re: [Emc-users] simple servo amplifier

 On Wed, Sep 15, 2010 at 12:07 AM, Jon Elson el...@pico-systems.com 
 wrote:

 Stuart Stevenson wrote:
  Gentlemen,
The servo amps on the Enshu have different accel/decel shapes. The
  PID.output trace has a sharp corner to it. The trace raises a little 
  and
  then turns almost straight up. The decel trace is MUCH more rounded. 
  Does
  this sound like an amplifier problem?

 Not necessarily.  It may just be a symptom of friction.  During
 acceleration, the motor
 is not only accelerating the mass, it is also fighting the friction of
 the slide, both have the same
 mathematical sign.  On deceleration, it must fight the mass of the
 table, which exactly
 mirrors the accel condition, BUT the friction is now of opposite sign,
 and is HELPING
 the deceleration.  So, you can't perfectly optimize FF2 to cover both
 conditions.

 once again pictures trump words - my explanation was not correct as you 
 will
 see
 the acce/decel look the same but the beginning and ending phases of each 
 are
 not balanced
 and the trace is the axis following error not the PID.output - I should 
 have
 said PID.error and axis following error - I had looked at the output trace
 so that must have been stuck in one of the holes in my head

 I wouldn't look at the PID.output, but just at following error, and set
 FF2 to balance
 the error of the two situations.  If you have large discontinuities at
 the accel/decel
 time, then you may have to reduce acceleration in the .ini file, you may
 be asking for
 too much accel.
I am thinking it would be possible to convert this Fanuc amp to a
 simple
  amp by fooling the tach feedback. This servo amp accepts the encoder
  feedback on two terminals and converts these two signals into a tach
 voltage
  for comparison to the velocity signal. Would it be possible to do one 
  of
 two
  things to convert it to a simple amp with no tuning to the motor.
I think the best way would be to find where the chip ouputs the
 matching
  tach voltage and connect the velocity signal voltage at that point. The
 amp
  would think the motor is following the signal perfectly and require no
  output adjustment.

 Well, I happen to think a real velocity servo amp is just about
 unbeatable.  It does require
 some more tuning than some other systems, but can be expected to perform
 better under
 a wide variety of conditions.

 so far in my world a Fanuc servo system is about as real as you can get
 I don't think it is any better than what EMC can do and maybe not as good
 and certainly not (by me) as adjustable.
 I have no way of adjusting any parameters on these amps. There are some 
 pots
 and jumpers.
 Does anyone know how to change the parameters without using a Fanuc 
 control?
 Does anyone have the information explaining the jumpers and pots? I have
 some information about the pots but nothing about the jumpers.

  or
I could use an ADC to accept the velocity signal and generate an
 encoder
  pulse to match what would be seen as feedback from the motor.
Either way this feedback would be perfectly matched to the input.
EMC2's tuning would then have complete and total control of the servo
  motor (axis motion)
 Not sure how an analog-digital converter would be used here.  More
 likely, you'd need

 This Fanuc servo system has a servo amp that accepts:
 an analog velocity signal from the control
 digital signals to close the loop from the motor - an encoder on the motor
 sends pulses to the servo and the control
 The Fanuc servo motor has no tach.

 I propose using an ADC to convert the analog velocity signal to a pseudo
 encoder pulse to replace the motor feedback.
 I think this would remove the tuning from the servo amp as the amp would 
 see
 the motor as perfectly following the velocity signal at all times.
 Even better would be to shunt the velocity signal directly to the tach
 signal the chip on the control generates.
 Even better would be to disable the internal tuning by shifting jumpers.
 Maybe (I am not sure) better would be to have a procedure to tune the amps
 and motors as a unit. This may be better but I don't like it as well as 
 any
 of my other thoughts.

 a digital to analog converter to produce the simulated tach signal.
 But, most servo amps
 can be converted to torque mode, usually by pulling a jumper that
 bypasses the
 velocity error amp.  But, I still feel that a velocity servo with a real
 tach should work
 well, and you need a VERY high resolution encoder to move smoothly
 without a tach.

 Maybe you could post the trace you are concerned about.

 pictures are here
 http://www.mpm1.com:8080/machines/enshu

 there are pictures of all three axes both positive and

Re: [Emc-users] G-code question

2010-09-12 Thread Belli Button

You can specify a feedrate for  each segment of the arc, this way you can 
control the acceleration. The smaller the segments, the better accuracy you 
have.

Greg

- Original Message - 
From: Spiderdab 77...@tiscali.it
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Saturday, September 11, 2010 5:16 PM
Subject: Re: [Emc-users] G-code question

 Il 11/09/2010 14:21, Andy Pugh ha scritto:
 On 11 September 2010 09:38, Spiderdab77...@tiscali.it  wrote:

 I was thinking something similar, and today i'm going to try.
 in fact, working with 3dsmax, when i increase the density of points, the
 resulting speed decrease.

 You will need to turn on the Naive CAM detector. (And CAM doesn't get
 a lot more naive than this).
 http://linuxcnc.org/docs/html/gcode_main.html#sub:G61,-G61.1,-G64:

 Plain G64 should do the trick, I doubt you care that much about
 path-following accuracy.

 i've read the doc, but didn't got how it would do the trick. immagine
 that my path is only a series of arcs (like the simple flying of a
 volleyball, between four people.) when i draw the arcs, the density of
 the points is equal in all the length. i've also tried to add points
 manually at the end and beginning of every arc, wishing lines were
 enough short to make the movement slow down a little, but nothing. with
 a speed of 20mt/min it doesn't slow down.

 now what i understood in reading about G64 is that it can slow the speed
 only if the movement goes out of the accuracy, but how can i make that
 it goes out of accuracy only by the end and beginning of arcs? (if i'm
 totally wrong tell me. ..also if i'm just a little wrong..)

 ehm.. the meaning of the word naive, is something like ingenuous? or
 approximative? can't understand the usefulness of naive CAM detector.
 (sorry)

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Re: [Emc-users] Wichita fest

2010-08-25 Thread Belli Button

Are you going with?


- Original Message - 
From: Sebastian Kuzminsky s...@highlab.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Wednesday, August 25, 2010 7:46 PM
Subject: Re: [Emc-users] Wichita fest


 On 08/18/2010 03:54 PM, Stuart Stevenson wrote:
I have not heard much about an EMC Fest other than the CNC Workshop. I 
 am
 willing to host a meeting here again this year. I just need a week or two
 notice.


 Ooh, ooh, i want to come!

 Second half of November will probably work best for me, if the STS133
 launch doesn't slip.


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Re: [Emc-users] Homming error

2010-04-07 Thread Belli Button

Statistically you will loose as many steps going forward as you will going 
backwards, sending the machine to 0,0 will not guarantee that you have not 
lost and made up steps throughout your job.

Greg

- Original Message - 
From: Slavko Kocjancic esla...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Wednesday, April 07, 2010 5:38 PM
Subject: Re: [Emc-users] Homming error

 2010/4/7 dave dengv...@charter.net

 The accuracy of that system depends on how good your home switch is.

 I've always used a dial indicator against the spindle for that type of
 measurement. Same concept but easier since you don't have to home.

 Dave

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Re: [Emc-users] 5I20 Stepper motors and encoders

2010-02-18 Thread Belli Button

Hello,

Here's a question for those in the know.  I have a 5I20 that I intend to use 
for driving step/dir signals for my stepper motors.  I would like to add 
encoders to the steppers so that I can measure if I have lost any steps at 
some point.  Question is, do I need the 7I33 for encoder inputs? How can I 
get axis to display the desired positon and the encoder position?

Thanks,
Greg 


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Re: [Emc-users] Hardy won't mount my thumb drive

2010-02-07 Thread Belli Button

Well if anybody has a similar difficulty this is what I did. Plug your thumb 
drive into the motherboard USB, I guess the port on the front runs through a 
USB hub on the motherboard and that this particular driver is not loaded. 
The mouse for some reson works great in any port...

Greg



- Original Message - 
From: Belli Button be...@iafrica.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Saturday, February 06, 2010 8:34 PM
Subject: Re: [Emc-users] Hardy won't mount my thumb drive


 Hello All,

 I have am starting with EMC, so far so good.  I tried move a gcode program
 from my windows machine to the EMC machine but Ubuntu doesn't see the 
 thumb
 drive and so can't even mount it manually. Is it related to this problem?
 https://bugs.launchpad.net/ubuntu/+bug/211760

 This is a new CD image install downloaded a week ago, 8.04 with no updates
 after the download.

 Help please..

 Greg






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Re: [Emc-users] Hardy won't mount my thumb drive

2010-02-06 Thread Belli Button

Hello All,

I have am starting with EMC, so far so good.  I tried move a gcode program 
from my windows machine to the EMC machine but Ubuntu doesn't see the thumb 
drive and so can't even mount it manually. Is it related to this problem?
https://bugs.launchpad.net/ubuntu/+bug/211760

This is a new CD image install downloaded a week ago, 8.04 with no updates 
after the download.

Help please..

Greg






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Re: [Emc-users] File error message

2009-07-13 Thread Belli Button

You really need to get your CAM program to insert these, no need to manually 
edit the program everytime.

Greg

- Original Message - 
From: Alex Joni alex.j...@robcon.ro
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Monday, July 13, 2009 8:29 PM
Subject: Re: [Emc-users] File error message

 On Monday 13 July 2009, ROLAND ROGERO wrote:
Hello all
new member here Roland Rogero.Ihave a hobby router running emc2.Althrough
i
 am new to linux  I have it running good.I am using cut 2d to create g
 code
 and sherline In processor the code transfers in to emc with no
 problem.when
 i run the code i get message saying File ended with no percent sign or
 program end. The file runs with no problem.Is trere any way to get rid 
 of
 this message. Thanks
woodma...@bellsouth.net

 Sure, pull it into a text editor and append the % character on the next
 line.
 Then reload the file to emc.

 Using % at the beginning, and at the end of a file is a way to cause that
 error to disappear.
 However, using an M2 is encouraged.
 The % is a reminescence from the day of storing programs on punched cards
 and strip.
 It specifies the end of a file, but doesn't close a program like M2 does.

 Regards,
 Alex

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Re: [Emc-users] Running the encoders directly to EMC

2009-06-16 Thread Belli Button

There has been some talk of the US Digital encoders on the Gecko group, it 
seems the newer ones aren't fitted with bypass caps.  There's a fix you can 
do and then they are fine.
Greg

- Original Message - 
From: Rainer Schmidt lemonn...@gmail.com
To: emc-users@lists.sourceforge.net
Sent: Tuesday, June 16, 2009 3:51 PM
Subject: Re: [Emc-users] Running the encoders directly to EMC

 Skewered brushes make no sense at all. I agree. Skewered armature
 prevents a rapid fall off of the magnetic field and thus yields less
 'chatter' if you wish to name it like that. If you would turn the
 motor manually over then a 'regular' dc motor would go 'pop pop pop'
 over the field boundaries as you manually break the hold, and a
 skewered design is way less noticeable. Insert your own 'swosh swosh
 or whop whop' haha. You get the point...

 And... keling is recommending the US encoders. And do not be afraid to
 plop any encoder onto any motor with the right shaft. Encoders have
 nothing to do with the motor characteristics.
 There is no adjustment of an encoder to a motor except for the rear
 shaft diameter and the max rpm so the poor thing doesn't fly apart.
 Regular encoders are a bad match for 320,000RPM air drills for example
 haha. That would be the fastest encoder in the world. parts will
 literally break through the barrier of sound...
 The encoder is a foreign object to the motor. The encoder is the right
 hand of the controlling drive and thus all encoder parameters have to
 be balanced according to resolution and drive it is connected to.

 I have no problem whatsoever viewing their website with Firefox, or
 Safari, or Opera, or IE check your setup

 Best of luck!
 Rainer

 PS:Be sure you have the right inertia match between servo and load. Or
 the tuning can become a nightmare. Which it is in any case, more or
 less, depending on the drive...  Oh... and make sure that encoder and
 drive use differential signals. Cheap options are without the
 differential encoders and decoders It is mandatory in our
 environment to use differential signals. If not, just use steppers and
 forget about the servo as you loose all the precision benefits of the
 encoder while corrupting the signal with a bad choice of transmission.

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Re: [Emc-users] Rotary Axis Designs

2009-05-25 Thread Belli Button

It can be done with the Bonfig style worm gearboxes.  What you need to do is 
strip the gearbox, remove the bronze wheel and cut it in 'half' (slice?) 
with a wire cutter.  Then mill three slots concentric to the centre on one 
half and drill and tap three corresponding holes on the other half.  When 
you reassemble the gearbox, slide the one half relative to the other to take 
up the backlash.  This seems to work really well but does require a bit of 
engineering.  We have built some fairly large '4th Axes' like this for not a 
great deal of money.

Clear as mud?


- Original Message - 
From: Kirk Wallace kwall...@wallacecompany.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Monday, May 25, 2009 7:00 PM
Subject: Re: [Emc-users] Rotary Axis Designs


 On Mon, 2009-05-25 at 18:12 +0200, Roland Jollivet wrote:
 What about using an AC motor reduction drive. They're pretty robust but 
 I'm
 not sure about the backlash. Usually easy to find as surplus.
 Something like this;
 http://www.bonfiglioli.com/vfpres_uk.html

 Replace the AC motor with a stepper.


 Regards
 Roland

 If the backlash on the worm drive can be adjusted, and I can find one
 cheap enough, I can't see why it wouldn't work. It would be fun to make
 one of each design, but that's not too likely to happen. Sometimes, I'll
 visit a friend or a dumpster and fate will decide what I do. It sure
 would be nice to have a little less fate in my life (or not).

 -- 
 Kirk Wallace
 http://www.wallacecompany.com/machine_shop/
 http://www.wallacecompany.com/E45/index.html
 California, USA


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Re: [Emc-users] BIG CNC machine for making small airplane?

2009-03-17 Thread Belli Button

A few years ago someone built a Lancair (composite light aircraft) here, he 
was concerned that the chord of one wing was 2mm (5/64) longer than the 
other.  In his research he asked Cessna what their manufacturing tolerance 
is and they replied 2 inches!  If you were to take a tape measure and 
measure any major dimension on a Cessna, if its within 2 its within spec.

Greg


- Original Message - 
From: Roger vrsculp...@hotmail.com
To: emc-users@lists.sourceforge.net
Sent: Tuesday, March 17, 2009 8:32 PM
Subject: Re: [Emc-users] BIG CNC machine for making small airplane?


 Tom kestrel...@... writes:

 snip

 OK... I am going to step in here at this point and say Whoa pardner!

 Yes, you can be a millimeter off in some areas with very little penalty, 
 but in
 other respects a millimeter difference can defeat your ability to get off 
 the
 ground ... or another millimeter placement of the balance point aft of 
 the c.g.
 (center of gravity) will improve control response - but can produce a 
 sharp
 stall with a tendency to roll inverted...

 Tom,
 I've got to assume you are speaking in hyperbole. A 3m 120kg ultralight is
 3000mm long. Each mm offset of the center of gravity (120kg/3000mm) is 40 
 grams
 or about 1.5 oz. I would think that what you had for breakfast or which 
 way you
 leaned would have much more of an affect on center of gravity or balance. 
 People
 build ultralights out of pop riveted lawn chair aluminum that fly. I'm 
 sure that
 not all of these are built on surface plates with interferometers. I think 
 that
 10mm's of accuracy is more than enough for a low performance airplane.

 Peter,
 As to large volume routers, the neatest one I saw was a 5 axis robot arm 
 mounted
 on a track used for carving boat hulls. The track was the X axis and the 
 Y,A,B
 and Z were done using the robots native movements. It may have been a 
 surplus
 welding robot.

 I think you would need a mathematician to figure out the kinematics.

 Good Luck,
 Roger





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Re: [Emc-users] emcrsh says NAK

2009-01-16 Thread Belli Button

The machine that says NAK, didn't Monty Python write about this?

- Original Message - 
From: Leslie Newell les.new...@fastmail.co.uk
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Friday, January 16, 2009 11:00 AM
Subject: Re: [Emc-users] emcrsh says NAK

 Hi Christoper

 emcrsh as the wiki suggests, but could not log in. The default
 passwords EMC and EMCTOO resulted in
 HELLO NAK

 Are you using the correct syntax?
 Hello password client version
 Actually the current emcrsh doesn't do anything with client and version
 but they must be there. I normally use something like:
 HELLO EMC 1 1
 To enable your connection you then need to enter:
 SET ENABLE EMCTOO
 If you don't enter this you will only be able to read ems's status.

 Only one connection can be enabled at a time so if someone else connects
 and enabled their connection yours will be disabled.

 Are all those double dashes really used?

 They are all optional. You only need to use the ones you need.

   Why does the last item only
 use one dash?

 I believe it is for compatibility if you use it as the DISPLAY line in
 your ini file. The emc loader automatically adds the -ini parameter.

 Les

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Re: [Emc-users] 3 to 5 axis milling

2008-12-12 Thread Belli Button

Well they same that the difference between theory and practice is
small.. in theory.

I have seen a number of software packages that take a simple 3D toolpath and 
convert it to a 5 axis tool path.  Theoretically the math is not complicated 
as the tangent for the A axis can be calculated from that line of G-code, 
the B axis is a little more complicated as you have to look at the preceding 
pass and at the next pass to calculate the tangent.  I am sure that if one 
of the boffins (and there seems to be a few) on this group got their teeth 
into it they could write a small, simple app that would do this conversion. 
Granted it wouldn't be perfect but not difficult.  It might even be possible 
to do this with macro on a spread sheet.

Regards,
Greg


- Original Message - 
From: Stuart Stevenson stus...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Friday, December 12, 2008 2:48 AM
Subject: Re: [Emc-users] 4 to 5 axis milling SW Re: Testing


 One thing to note is that EMC2 removes a fair amount of the complexity
 from 5-axis code generation, specifically tool offsets and the like.
 Once you have a correct kinematics module for your machine, the G-code
 becomes a 5-axis TOV - Tool Orientation Vector.  The post doesn't have
 to calculate all the joint positions, it tells EMC2 to move the tool
 endpoint to a particular position, at a particular angle, and EMC2
 (through kinematics) figures out where the joints need to go.  That
 calculation includes tool length and diameter offsets, so theoretically
 (and Stuart can tell you more about the reality of it), you can take a
 5-axis job from one EMC2 machine to another EMC2 machine, and as long as
 the set of supported axes is the same (XYZ AB vs. XYZ BC, for instance),
 you shold be able to run that code, even with a different set of
 available tools.

 - Steve

 Steve,
   This deviates from the original subject a little bit.

   dig :)
  So far I have been unable to develop (or get developed) the
 5 axis cutter diameter compensation. Some vague argument about the
 corner rounding not allowing it.

   suggestion
  The answer is to disable the corner rounding during 5 axis
 cutter diameter compensation. Then the cutter path compensation could
 be generated without concern for the corner rounding (feature).
  Also, I would like to be able to disable the corner rounding
 (feature) for 3 axis machines and work.
  Allow a choice between tool path programming and part
 contour programming - for all machines. G code or .ini set.

   Theoretically, 5 axis program portability is there. I have a LOT of
 5 axis programs with tool lengths in them. I haven't tried any yet
 (but I surely will). I should be able to adjust the tool length in the
 tool table using the in program tool length and the actual tool
 length. The important number it the distance from the tool tip to the
 pivot point of the rotary axes. If I use a modified tool length in the
 tool table that supplies EMC2 the actual length from the pivot point
 to the tool tip then any 5 axis program will work.
 (hopefully I said this in a logical fashion)

   This should work with any machine that has 5 axis tool length
 compensation. A program running on a fanuc control can be run in EMC2
 if the machine limits will allow the machine to move through the
 program.
 EMC2 programs in fanuc
 fidia programs in EMC2 - EMC2 programs in fidia
 any gcode program in EMC2 - EMC2 programs in any control running gcode.

 VERY FLEXIBLE

 you may have to modify the prep sections g43 implementation   /  g54
 ... offsets (some machines use E)  /  tool change sections  /maybe
 other sections
 the tool positions (XYZABCUVW) should be usable on any machine with 5
 axis tool length compensation

   Steve is correct when he says a lot of the complexity has been
 removed (incorporated into the control). Many things can be done that
 were previously only on high dollar machines and controls. 5 axis
 cutter diameter comp would make EMC2 much more elite.
 Stuart

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Re: [Emc-users] 3 to 5 axis milling

2008-12-12 Thread Belli Button

No, I was a gunner (155mm), we had conscription in those days.

- Original Message - 
From: Stuart Stevenson stus...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Friday, December 12, 2008 11:08 PM
Subject: Re: [Emc-users] 3 to 5 axis milling

 On Fri, Dec 12, 2008 at 2:23 PM, Belli Button be...@iafrica.com wrote:
 Well they same that the difference between theory and practice is
 small.. in theory.

 I have seen a number of software packages that take a simple 3D toolpath 
 and
 convert it to a 5 axis tool path.  Theoretically the math is not 
 complicated
 as the tangent for the A axis can be calculated from that line of G-code,
 the B axis is a little more complicated as you have to look at the 
 preceding
 pass and at the next pass to calculate the tangent.  I am sure that if 
 one
 of the boffins (and there seems to be a few) on this group got their 
 teeth
 into it they could write a small, simple app that would do this 
 conversion.
 Granted it wouldn't be perfect but not difficult.  It might even be 
 possible
 to do this with macro on a spread sheet.

 Regards,
 Greg

 Hey Belli - did you graduate from the navel adademy?

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Re: [Emc-users] TurnKey

2008-09-17 Thread Belli Button

Are you talking about 'turnkey' cnc milling machines or 'turnkey' cnc lathes or 
'turnkey' plasma cutters?

- Original Message - 
  From: Cary Rohan 
  To: Enhanced Machine Controller (EMC) 
  Sent: Wednesday, September 17, 2008 8:38 PM
  Subject: [Emc-users] TurnKey

Any One know of a cnc software called TurnKey..and if so have anycomparisons to 
EMC/or manuals for Thanks in Advanced 

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Re: [Emc-users] Modbus interface.

2008-08-28 Thread Belli Button

Hi all,

Is it possible for EMC to talk to a PLC with Modbus interface through the 
COM port?

Greg 


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