> On 1/26/23 13:43, rehe...@fast-air.net wrote:
>>
>> The HIWIN AC drive manual mentioned recently in another thread begins
>> with
>> a couple fascinating cautions.
>>
>> * Do not dismantle or modify the product.
>>
>> * Before installing or using the product, check the external appearance.
>>
>>
The HIWIN AC drive manual mentioned recently in another thread begins with
a couple fascinating cautions.
* Do not dismantle or modify the product.
* Before installing or using the product, check the external appearance.
* Do not try to repair any product malfunctions.
If we applied this
Hi Dave. Fascinating experiment. The ax driver is intended for a 48 IO ISA
card but I'd hook up a switch to one of the inputs and see if it changes
in the HAL. If it does then we can look into that iioo config stuff and see if
we can expand. I'd try the switch on several of the
Hi Matt
Both of my hardy boxes have IDE drives that show up as sda.
Rayh
--- [EMAIL PROTECTED] wrote:
From: Matthew Glenn Shaver [EMAIL PROTECTED]
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Who is creating the new Hardy 8.04 Live CD?
Date:
--- [EMAIL PROTECTED] wrote:
Having soft and hard limits seems redundant.
Redundant is good as long as the overlapping safety systems are properly
aligned. The biggest advantage that I know of with soft limits is that you can
not crash into them in a well configured EMC2. The commands to
HiI just received a call from Roland Friestad, the guy who puts
together the CNC-Workshop each year. He has had a fairly severe heart
attack. Got home from the hospital today and called me. He will try
to get the web registration up in the next week and was wondering if we
could help with some of
Hi Filipi
That would be a great thing. Keep up the good work and we'll look for
announcements.
Rayh
--- [EMAIL PROTECTED] wrote:
From: Filipi Vianna [EMAIL PROTECTED]
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] CNC Fest
Date: Mon, 28 Apr
--- [EMAIL PROTECTED] wrote:
From: John Kasunich [EMAIL PROTECTED]
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Classicladder
Date: Sat, 26 Apr 2008 13:17:00 -0400
Dave Keeton wrote:
Thats OK Chris...I'm just trying to find a way to expand the
Hi Aram
The reason we had to change the xorg.conf file was that the installer program
did not find a proper one. I do seem to remember using vesa as the definition
for that box. This (vesa) is a very common driver for on-board video displays.
I don't recommend moving a hard drive to a
Hi Kirk
One needs to be just a bit careful about grounding these sorts of shielding --
if that is what's going on. I recommend star or single point grounding where
only one end of the shielding is connected to the frame. If you bond both ends
of power wire shielding you'll see ground loops
These kinds of experiments have always been interesting to those testing EMC.
We do tend to test in air or in sim rather than with a live machine out there.
I've often thought of the man overboard key on a boat as making an ideal
estop. Connect the cord to one of the body parts that is
Fantastic! Great job.
Rayh
--- [EMAIL PROTECTED] wrote:
From: Filipi Vianna [EMAIL PROTECTED]
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: [Emc-users] report from FISL
Date: Fri, 18 Apr 2008 09:23:31 -0300
Hi folks,
Yesterday has started the 9th edition of
Hi Stuart
Sounds like you are facing many of the issues we encounter with larger
retrofits. Certainly your choice of M words to associate with various gears is
one such set but I caution that these things are not standardized in any
meaningful way among control vendors. In fact a quick
--- [EMAIL PROTECTED] wrote:
From: Andrew Ayre [EMAIL PROTECTED]
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Newbie Help Needed - Losing Steps
Date: Tue, 08 Apr 2008 18:08:58 -0700
Update - I switched to 1/4 stepping mode. Movement is smoother
--- [EMAIL PROTECTED] wrote:
From: John Kasunich [EMAIL PROTECTED]
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Newbie Help Needed - Losing Steps
Date: Sun, 06 Apr 2008 19:46:09 -0400
Andrew Ayre wrote:
Hi,
I have a gantry style machine
--- [EMAIL PROTECTED] wrote:
From: John Thornton [EMAIL PROTECTED]
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Emc-users Digest, Vol 23, Issue 44
Date: Wed, 19 Mar 2008 06:12:48 -0600
John,
No one could possibly guess or assume that the message only prints once.
The message
This list is probably as good a place to carry forward a bit of thinking about
open hardware and virtual CNC machine companies as any because this is THE
place to find the control software for a wide range of these kinds of devices.
I'll snip both Kirk and Jorge quite a bit and I suggest you
Thanks for the great report, Rob. Good luck with that first paying project. Your idea of suppressing motion on the first motor to reach it's switch sounds like it should work. If I remember right, long years ago there was a fellow in Finland that proposed a yearly contest for the most innovative
Fantastic. Thanks for that link.
--- [EMAIL PROTECTED] wrote:
...
F We've talked about
using a motor driven encoder connected to one PID loop in our software to
handle this lash problem and another PID connected to the linear scale to
handle final positioning. I don't know that any real
Hi RobThat sounds like it should work since the two motors will not bind against a rigid frame. You're right about those motors jumping whichever direction they please when you apply power. As long as you don't have to worry about loosing steps, both motors could be driven from the same set of
Couple of thoughts Jorge. First is how to manage building the machine base. I'm sure that you know that the parts of the machine that hold it together and allow it to move are what absorb the cutting forces and harmonics and allow it to cut accurately. The KT company built quite a business with
Hey Doug. Thanks for the report. Good thoughts all.You might look at www.McMaster.com and search for ball screws. Or attempt to put the link below back together. Their 5/8 screws are about $1.25 an inch and the nuts run $25. I used a single nut to test lash and got between 0.001 and 0.003. I know
Hi Howard
You're right of course. My fault for reading the schematics and not the words.
Forward and reverse pulses are available for essentially open loop moves.
These are available using EMC2 and a parallel port bu I'm with others that
this is a poor substitute for real closed loop servo
Hi Andrew, Jon
Sorry I didn't get the post from Andrew. Gonna have to look at why.
Jon's right. I set up a machine in order to test several things. It was an
old Grizzly Sieg. The goal was to retrofit for low cost and reasonably good
benchtop quality. I measured the lash on all three
Hi RobI've been curious about these dual drive axes for quite a while now. There are several possible mechanical lashups with something like this. It seems to me that in order to allow separate homing of each drive, there would have to be a swivel on one side or the other of the mechanical slide.
Hi Howard
Glad to hear of your interest in EMC2. It is a great system for students
because it will allow you to experiment with most motion control variables.
The pdf at the link you posted includes a lot of sales pitch. It appears to
have been written and edited by someone with limited
--- [EMAIL PROTECTED] wrote:
s
Now the trick is to find a way to get EMC to control the thing :)
coolant/water injector timing, you know fun stuff :)
At one level it seems wasteful to apply the abilities of EMC2 to tasks like
these but I've been known to use EMC to start the coffeemaker.
I
Been reading through some old stuff recently and found the graphic I put in
pastebin at http://imagebin.ca/view/clpgA5sW.html. It was in the graduate
theses that Sagar wrote on his EMC propelled SCARA robot. IMO the zero torque
portion of the speed/torque curve on the full step graph ought to
--- [EMAIL PROTECTED] wrote:
From: ben lipkowitz [EMAIL PROTECTED]
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Serial Encoders
Date: Mon, 10 Mar 2008 17:46:26 + (UTC)
...if you do need an inexpensive
absolute encoder, austria microsystems
https://www.smithy.com/product_home.php?cid=11scid=16pid=1006
I believe that they will sell a pc ready or a motors only version.
Rayh
--- [EMAIL PROTECTED] wrote:
From: Kirk Wallace [EMAIL PROTECTED]
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: [Emc-users]
--- [EMAIL PROTECTED] wrote:
I think the advantage is it is visual, you can see the changes right away and
see quite a big picture at one time. I don't think it's that hard to pick up.
I've tried to document things along the way- Classicladder docs were pretty
scarce when I started.
The
I used something like this. I believe there are 90 watt ones out there as
well. Without much moving in the box there is no need for a great deal of
power. As you can see from your next post.
Rayh
http://www.idotpc.com/thestore/pc/viewPrd.asp?idcategory=10idproduct=262
--- [EMAIL
Hi Greg
Found it on a customer's LAN. Jetway 7F2WE1G-OC-LF. I asked an engineer at
Jetway
how long they would be making this board and he indicated about 5 more years.
They
do have a version without the tv interface but they seem to be really scarce.
The parport is a 26 pin header
If you are new to compiling source code you might start by looking at the wiki
for info on compiling EMC2 from source. Several of the packages required for
that will be required for this as well. No promises. Compiling is not trivial.
Rayh
On Wed, 21 Nov 2007 00:35:19 GMT, Enhanced
David
Do you have to be invited to the CNC workshop or do you apply
somehow?
Just sign up with Roland --http://www.cnc-workshop.com/ -- and you're good to
go.
BTW Roland promised some real tools and holders for next year and would like to
have the Mazak making motor mounts.
I've never had a well checked out controller take off on me.
Anytime I've had a problem I had done something stupid and found out
about it rather quickly.
Um, yep but you've got to understand that Jon and Dave are talking only about
the software on a properly installed PC. There is a
Hi Jeff
First, before I go into suggestions, I want you to hear me say, This is great
stuff! This is the first time that an over-arching configurator has made it
into a release. I've been playing around with configurators from before the
code repository made it off Will's spinnerfen
Hi Stuart.
This is what I know by way of answers to your questions.
On Sun, 18 Nov 2007 09:54:16 -0600, Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net said:
Gentlemen,
What would be needed to prepare to run the motor mounts at the
workshop next summer?
I believe that
Added a wiki page for fest 2008
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?EMC_Fest_2008
And added a page for the motor mount project but nothing in it yet.
Left most of the outline from this year in there -- and the attendees. Have at
it.
Rayh
It looks like HAL mist and flood sigs are connected to a couple of the outputs
on the AX IO board but it doesn't look like they connect back to iocontrol or
halui. This should not be a difficult task. The HAL connections are trivial,
even if we add a coolant override switch to the front
How about you and I getting to fest a couple days early? Since you know where
it is perhaps you can clean out the gunk JohnK was talking about.
Rayh
On Sun, 18 Nov 2007 19:32:41 -0800, Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net said:
The coolant tank is tucked back
It should be possible to use a slightly higher current breaker or one with
longer time delay for magnetic devices? Failing that a knife switch with time
delay fuses should handle the job.
Rayh
On Thu, 18 Oct 2007 06:06:15 -0500, Enhanced Machine Controller (EMC)
With the price of copper these days... I assume from shipping that this is
copper and probably potted.
Is this intended for isolation or what?
Rayh
On Wed, 17 Oct 2007 01:00:28 -0700 (PDT), Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net said:
6.67kva 120v primary, 120v
Great job. I was a bit distressed by the voter list foible because it seems so
darn American or maybe it's just a normal part of any democratic society. I am
pleased that we are a democratic society.
Being that I remain the IRC contact person, I have taken off my IRC board
mantle. I'll
If this is an older Hardinge like a HNC or CHNC this may be a resolver rather
than an encoder.
Rayh
On Thu, 2 Aug 2007 23:43:35 -0700 (PDT), Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net said:
Hello,
First let me apologize for this off topic question, but I
Hi Chris
I guess I don't quite understand what happened to 5220. I've added other
variables to var files over the years and the interpreter went right on and
ignored them. Why does adding the uvw change the working of 5220 from old to
new?
Rayh
On Thu, 2 Aug 2007 13:04:27 -0500,
Oh you bet. There's nothing that can keep me away -- or quiet. We've all had
our times when the rails seem not to contain us. Fortunately we have an
excellent group. IMO the EMC/EMC2 project is right in the middle of what we
came to call evolutionary software.
Rayh
On Wed, 1 Aug 2007
Hi Brian
Yes there are many ways to run an EMC display under X or one of the desktops.
When I imagined the mini interface it was intended to be able to run directly
under X so I had to add in features like editing and such. It also had to have
the ability to run as a single, all inclusive
Hi Kirk
Yes I've run several VFDs with EMC/EMC2. What you must understand is that
there are vfds and there are VFDS. None of the inexpensive VFDs will handle
low speed very well. Ones that will run full torque at zero speed use rather
complex patterns of power pulses so that the rotor
Hi Kirk
On Fri, 22 Jun 2007 00:55:40 -0700, Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net said:
I am a little worried about how the encoders will hold up. I found a
fair amount of oil around the area close to the turret pneumatics. My
guess is, this may be normal because
They have been struggling with some upgrades to their electrical systems there
in Milwaukee. I think even their phones have been out today. Yes it is a
current product.
Rayh
On Fri, 22 Jun 2007 11:06:42 -0700, Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net said:
Does
Hi Chris
I guess I missed it also. Saw the later post where there was a suggested work
around since this is a Mesa card setup. It would be possible to add a normally
closed real relay contact between the limit prox and the drive's directional
inhibit input that, when pulled by the homing
Hi Pat. Long time since we've heard from you. Glad to hear that you're using
EMC2 and that it is working for you.
I've tried a lot of breakouts and the maker you mention is as good as they
come. The PMDX-122 is about as low cost as you find for fully isolated.
You might get away with just
Hi Alfred.
Several of the developers spent time trying to figure out a way to convert the
second parport configuration options from EMC to EMC2. If memory serves this
was the only recommendation of the Fest at NIST that was not able to be
implemented. I'm not at home right now so can't
Hi Stuart
I can't read back on this thread right now but if this is stepper, there may be
one other cause of abrupt stop at the end of a commanded travel. It's old but
may still be an issue. If the step pulse generator can't quite keep up with
spitting out pulses they pile up at the end.
Hi Wayne
On Sat, 31 Mar 2007 15:24:54 +0100, Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net said:
Hi all.
Been looking a little into EMC2 and in the next week will be able to
compare it to the software I currently use on the VMC (mach).
I do really want to get away from
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