Re: [Emc-users] Missing Features in LCNC for FFF/FDM Printers

[Sven Wesley]

Den mån 26 juli 2021 kl 01:35 skrev :

> There are addins now that post process gcode to convert line segments to
> G2/G3.
>
>
Yes! ArcWelder is extremely good at this! Can be used as a console app or
as a plugin directly in OctoPrint if you fancy that. I use it all the time
and not only will you get smaller files, the printer operates so much
smoother and at a faster pace.
Highly recommended!
https://github.com/FormerLurker/ArcWelderLib
https://github.com/FormerLurker/ArcWelderPlugin

Regards,
Sven

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Re: [Emc-users] Maybe a minimally printed harmonic drive?

[Sven Wesley]

Den tis 26 jan. 2021 kl 05:47 skrev Sam Sokolik :

> I am sure the torque is limited - but I feel it might have possibility...
>
> https://www.youtube.com/watch?v=QlpkmEEhFqc
>
>
I can totally see that drive on my home made trunnion table!

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Re: [Emc-users] hi guys

[Sven Wesley]

Den tors 14 jan. 2021 kl 23:28 skrev andrew beck :

> I have some proxy switches on my cnc lathe I am retrofitting and have a few
> questions
>
> the switches are omron 10-40v dc and NPN NO
> basically opposite to what i need I think lol.
> I think the mesa cards prefer PNP NC proxy switches
> anyway I saw on the forum that you can use a resistor to interface with the
> npn proxies.
>
>
> https://www.forum.linuxcnc.org/27-driver-boards/27877-mesa-cards-and-inductive-proximity-switches?start=10
>
> PCW mentioned a 2K 1 W pullup to 24V
> I just wanted to send a quick email asking about this.  before I connect up
> and blow something always good to check first here
>
> regards
> Andrew
>


Here's a link to Norbert's Mesa wiring PDF. It has an example page with
prox sensors.
https://forum.linuxcnc.org/media/kunena/attachments/3278/7i76_Anschluss_2016-12-03.pdf

Regards,
Sven

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Re: [Emc-users] Rpi Pico

[Sven Wesley]

Den tors 21 jan. 2021 kl 17:51 skrev John Dammeyer :

> No CAN bus port.  No USB port.
>
> I guess it depends on how deep one wants to go into C programming as to
> what you might choose for independently controlled things like a tool
> changer.  I have PIC32 development boards and processors that support
> quadrature encoders.  Same dsPIC series with quadrature and CAN bus.
>
> The latest interesting and although a lot more money is:
> https://www.ti.com/tool/LAUNCHXL-F28379D
>
> With dual processors and a lot of other pretty cool features this could be
> made into a wicked pendant.
>
> John Dammeyer
>

You load the code over USB. The Pico doc has code examples for REPL over
USB, UART, I2C and SPI.
*3.2. UART*
*USB  serial  is  available  from  MicroPython,  but  the  REPL  is  also
 available  over  UART0  by  default.*
Isn't that USB communication?

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[Emc-users] Rpi Pico

[Sven Wesley]

For you people out there who use an Arduino or RPi to communicate with
parts of the machine (tool changers, doors etc). Here's a cute and really
low priced alternative.
https://www.raspberrypi.org/products/raspberry-pi-pico/

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Re: [Emc-users] GUI Feature Request

[Sven Wesley]

Den tis 5 jan. 2021 kl 15:36 skrev Todd Zuercher :

> I've noticed what appears to be a lot of new development of new GUIs for
> Linuxcnc lately.  Here is an idea that I would love to see implemented in a
> new GUI, but I do not have the programming skills to implement it.  For our
> production machines it would be nice for the supervisors to be able to set
> up a que of g-code files for shifts to run.  The que would be a list of
> g-code files, and their location paths (possibly a network location), the
> number of repeats to run, and possibly a material to be used description.
> Then the machine operators would simply unload/load the machine, and press
> start, once the required number of runs is completed the gui would
> automatically load the next g-code file in the que and prompt the user what
> material to load for the next run.  How hard might something like this be
> to implement?
>
>
> Todd Zuercher
>
>
In the workshop I was working in during the 90's we already used this
setup. All machines were fed with programs from a minix server that we used
as a file service at the CAM stations.
Spontaneusly I would say that if you have a File/HTTP server it should be
fairly easy to make a user space component that fetches the programs, i.e.
not so much GUI related really but you can get a tab or dialog listing
upcoming runs.

/Sven

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Re: [Emc-users] Interesting GUI

[Sven Wesley]

Den lör 2 jan. 2021 22:11andy pugh  skrev:

> On Sat, 2 Jan 2021 at 20:17, Sven Wesley  wrote:
>
> > Going back to original post from Andy, Mazak has some pretty funky GUIs
> > nowadays too.
> >
> https://mazakfiles.blob.core.windows.net/web-site/image/403f2cf63ed244ebbd11b6e32a8d8051/PreviewG_image_1.png
>
> I think that looks a little _too_ funky :-)
>
> What I liked about the original one I posted was the very good
> integration of touch.
>

Yeah agree. Not sure I wanna buy a 20 ton machine with a Call of Duty UI...
I like the Datron style, it is very clean and utilises the entire screen in
a good way (no empty spots).

>

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Re: [Emc-users] Interesting GUI

[Sven Wesley]

6 sep. 2020 kl 22:16 skrev Kurt Jacobson :

> Aaron Dargel has been working on some pretty neat conversation widgets for
> QtPyVCP based ProbeBasic GUI.
> So far his just don't basic things like hole circles and facing ops, but
> they have excellent sanity checking that makes them almost foolproof to
> use.
> There are some screenshots here:
> https://github.com/kcjengr/qtpyvcp/pull/49
>
>
Going back to original post from Andy, Mazak has some pretty funky GUIs
nowadays too.
https://mazakfiles.blob.core.windows.net/web-site/image/403f2cf63ed244ebbd11b6e32a8d8051/PreviewG_image_1.png

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Re: [Emc-users] 3D Printed L Type Timing Pulleys

[Sven Wesley]

Den lör 2 jan. 2021 kl 20:27 skrev John Dammeyer :

> > From: Chris Albertson [mailto:albertson.ch...@gmail.com]
> > I've seen CAD models of the complete Bridgeport machine on GrabCad.   It
> > really is helpful to have a good model so you can test-fit parts before
> you
> > make them.
> >
> > I found a model of my Harbor Fright minimill so now I can able to make
> > add-on parts that match the screw-holes on the mill, first try.   Yes I
> had
> > the verify the model.   I would not trust something I downloaded.
> >
> > I know what you said about dropping the z-axis faster than gravity
> allows.
> >   I'm using a ball screw for that.  Turns out the Chinese ball screws are
> > cheap and actually better than spec'd.
> >
> Mine is equivalent to a Grizzly Tools G3616 now no longer made.  And in
> Canada House of Tools is long gone.  The first thing I need to do is swap
> the XY with ball screws.  There's a guy in Australia that did a major
> rework on this machine so he has some good videos and ideas.
>
> Needless to say there is no 3D rendering of the entire machine.  I started
> on that about 8 years ago when I first got AlibreCAD.  Now I might move
> forward with that and do some more.
>
> The knee assembly is just the screw and pulleys.  The Y axis has a
> truncated Knee casting since a full one would get in the way of seeing
> things, even with transparency.   And I only did enough of the X axis to
> make sure things looked right.
>
> Haven't yet figured out how to create an assembly that has a toothed belt
> that can be animated.  I'm sure it's possible.  But is it really worth the
> time...
>
> I've also modeled several different ways to do ball screws.  The X axis
> has over 0.012" of backlash.  Aggressive climb milling will pull the
> table.  So ball screws are next on the list once I bundle up rest of the
> control cabinet.
>
> I now have enough AC Servos for the other axis but for now that would be
> repeating what already works.  X and Y are DC brushed servos driven with
> HP_UHU kits. (I have two spares of those too).
>
> And  pump oiler that still needs to be installed and plumbed.
>
> John
>

I made HTD5 pulleys two years something ago. We made an automation machine
that needed bigger pulleys that we could find so I 3D printed one, sanded
it slightly to smooth the grooves, made a silicone mould from it and then
made two copies in GF powder reinforced epoxy. They are rock solid and the
machins runs on a daily basis.

/Sven

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Re: [Emc-users] 7i96 multi wire input

[Sven Wesley]

Den tors 17 dec. 2020 01:22Gene Heskett  skrev:

> On Wednesday 16 December 2020 17:42:58 Sven Wesley wrote:
>
> > Den tors 10 dec. 2020 kl 15:31 skrev Gene Heskett
> :
> > > But, I'll also state that my way is not the only way, There are
> > > (N-1)! ways to do it where N is the number of inputs you need to
> > > smunch into one wire to stop LCNC, and ! is the factorial symbol.
> > > And could be expanded to handle more fault sources easy enough as
> > > long as they all worked alike. With "work alike" defined as turning
> > > on an isolated switch when it faults.
> > >
> > > Take care Sven.
> > >
> > > Cheers, Gene Heskett
> >
> > Turns out it's all fine to run them all together. Got this drawing
> > from the designer of the driver.
> >
> >
> > [image: error-line.jpg]
>
> That is all fine if you don't care which driver did it, or simply don't
> have enough i/o and you can go inspect the drivers to see which one got
> the tummy ache. I did mine individually because I had the i/o to throw
> away, and still do, probaly 40 unused i/o's yet. And while the drivers
> are accessible, its not all that convenient.  Safety wise, this is 100%
> functional.
>
> Cheers, Gene Heskett
>

All drivers have an LED that flashes when they are throwing an error. Only
the drive that causes an error flashes.
Not too many inputs on the 7i96 so I'm happy if I can save a few. :)

All the best,
Sven

>

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Re: [Emc-users] 7i96 multi wire input

[Sven Wesley]

Den tors 10 dec. 2020 kl 15:31 skrev Gene Heskett :

> But, I'll also state that my way is not the only way, There are (N-1)!
> ways to do it where N is the number of inputs you need to smunch into
> one wire to stop LCNC, and ! is the factorial symbol. And could be
> expanded to handle more fault sources easy enough as long as they all
> worked alike. With "work alike" defined as turning on an isolated switch
> when it faults.
>
> Take care Sven.
>
> Cheers, Gene Heskett
>

Turns out it's all fine to run them all together. Got this drawing from the
designer of the driver.


[image: error-line.jpg]
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Re: [Emc-users] 7i96 multi wire input

[Sven Wesley]

Den tors 10 dec. 2020 kl 14:30 skrev andy pugh :

> On Thu, 10 Dec 2020 at 12:52, Sven Wesley  wrote:
>
> > All will ground if one fails and then all will fail. I mean, it would be
> OK
> > but less optimal.
>
> Can you definitely not afford one io per drive?
>
>
I guess I can, I also guess I got caught in a this-must-be-solved-mindset.
:)
Found the manual for the old BOB, it has what I'm looking for (a common
error pin AND a reset pin) and comes with RJ45 connectors to the drives.
The simplest solution will actually be to keep the BOB as an adapter.

But, you know, some ideas just need to be solved even if it's not needed...

All the best,
Sven

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Re: [Emc-users] 7i96 multi wire input

[Sven Wesley]

Den ons 9 dec. 2020 kl 17:41 skrev Sven Wesley :

>
> Maybe my intentions have been unclear and now I'm a bit confused. The
> drives provide a high signal on one pin when they are working. If they fail
> the pin goes low. My initial thought was to connect all four pins to one
> input on the 7i96 and configure it to trigger a software stop.
> Like Gene proposed, shouldn't it work with all wires to one input with a
> diode in series on each pin?
>
> Best regards,
> Confusedius
>

Sorry if this is a double post, I believe my attachment was too big and the
post was blocked.
I just realized my own mistake. I can't wire them like I suggested. I could
probably wire all four to one input without the diodes but then I would
never see which one that actually fails (red warning LED on every drive).
All will ground if one fails and then all will fail. I mean, it would be OK
but less optimal.
Would it be possible to use optocouplers and serial to parallel adapt the
wiring? I hope my attached image makes sense but please see it as a
suggestion. I also found a sketch of the internals of the Bucck board, hope
that helps.
What do you electro ninjas think?


Bucck board design: http://www.icstation.com/images/uploads/11070_1.jpg
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Re: [Emc-users] 7i96 multi wire input

[Sven Wesley]

Den ons 9 dec. 2020 kl 13:33 skrev Gene Heskett :

> On Wednesday 09 December 2020 03:52:16 Sven Wesley wrote:
>
> > Den ons 9 dec. 2020 kl 02:27 skrev Gregg Eshelman via Emc-users <
> >
> > emc-users@lists.sourceforge.net>:
> > > The way to wire an emergency stop circuit with 2 or more things that
> > > can trigger it, is to have it a normally closed circuit and every
> > > stop switch, mechanical or electronic, in series.
> > > That way when anything triggers a stop it opens the circuit, the
> > > controller senses that and stops sending motion commands, shuts off
> > > the spindle(s), pump(s) etc.
> > > What does this controller mean by "high" if "low" is grounded? If
> > > "high" is open circuit then you should be able to connect every
> > > fault sensor and a normally open E-Stop button in parallel. You'll
> > > also need to have the new control hardware and software able to be
> > > set to use a closed circuit instead of open circuit as the E-Stop
> > > condition.
> > >If "high" is something other than open circuit then things get
> > > more complicated. One may curse the engineer(s) who thought that
> > > making things more complex than open or closed was a neat idea. ;)
> > > A NC E-Stop circuit is quite fail safe because if a switch fails or
> > > a wire breaks, the circuit goes open and the machine stops. If a
> > > wire breaks in a NO circuit then the E-Stop button or sensor the
> > > broken wire goes to cannot initiate a stop.
> > >
> >   > On Tuesday, December 8, 2020, 04:19:16 PM MST, Sven Wesley <
> > >
> > > svenne.d...@gmail.com> wrote:
> > >   > Friends,
> > >   >
> > >   > I am in the process of refreshing a CNC that has been running in
> > >
> > > "temporary
> > >
> > >   > state" the last 12 years, time to give it an overhaul. I've
> > >   > found the
> > >
> > > magic
> > >
> > >   > little piece we all call 7i96. It will do magic.
> >
> > But this isn't an E-stop circuit though, it's an error signal from the
> > drive that can/should be reacted upon. It makes total sense to have an
> > active low on such wire. If the drive dies completely the signal will
> > disappear as well.
> >
> This idea came from my r-pi4 driven Sheldon lathe. I had recently
> replaced the x & z drives, which were junk box occupants when I did the
> conversion to cnc originally, with one of the new 3 phase stepper driven
> servo's a, 3NM for z and because it was shorter and its length would fit
> on the back of a new apron, a 2NM for x, both nema 23 sized. Because I'm
> using the spi driven 7i90HD and buffering it with a triplet of 7i42TA's
> which make the wiring nice and gives me 72 i/o's, I had gpio's to throw
> away. So I brought the 2 error signals in on separate pins and that
> allows me to issue a pyvcp based video advisory. Because all the r-pi4
> stuff is on the rear of the lathe, leds in that location, includingthe
> fault leds on the drivers themselves, are out of sight, so I did the
> video ouyput thing.
>
> Basically, a fault means a loss of home because it shuts down the drive,
> the machine will need to be rehomed anyway. So a fault bangs off the F2
> status, which all machine power to be removed as I have a couple 40 amp
> Solid State Relays in series with the 250 volt feed. 10 seconds of
> powerdown resets the faults, so I remove the tool, wait for the vfd
> display to quit, press F2 to re-enable machine power, which is taalied
> in the video, rehome the machine, replace the tool, and decide what to
> do so it doesn't fault again. Since I write my own gcode, thats the
> fitst thing I inspect, usually finding a mistake in the gcode. Fix that,
> reload the gcode again and hit the r key.
>
> I have not had an x caused fault yet because a 2NM motor driving that
> tiny x screw with a 2/1 reduction, is enough to damage the 8mm screw
> that moves my x, so since that screw has no replacements, I take no
> chances of stripping it. I can't even find new balls to re-stuff it
> today. And there simply is not enough space for a bigger, commonly
> available 12mm screw.
>
> These 3 phase drives have no currant setting switches, use very little
> current in normal operation as they control the current by using enough
> to attain the position and fault when they cannot do that because
> something has blocked its movement, the driver being its own PID, they
> issue the fault and shut the maqchine off if they can't follow orders.
>
> There are N

Re: [Emc-users] 7i96 multi wire input

[Sven Wesley]

Den ons 9 dec. 2020 kl 02:27 skrev Gregg Eshelman via Emc-users <
emc-users@lists.sourceforge.net>:

> The way to wire an emergency stop circuit with 2 or more things that can
> trigger it, is to have it a normally closed circuit and every stop switch,
> mechanical or electronic, in series.
> That way when anything triggers a stop it opens the circuit, the
> controller senses that and stops sending motion commands, shuts off the
> spindle(s), pump(s) etc.
> What does this controller mean by "high" if "low" is grounded? If "high"
> is open circuit then you should be able to connect every fault sensor and a
> normally open E-Stop button in parallel. You'll also need to have the new
> control hardware and software able to be set to use a closed circuit
> instead of open circuit as the E-Stop condition.
>If "high" is something other than open circuit then things get more
> complicated. One may curse the engineer(s) who thought that making things
> more complex than open or closed was a neat idea. ;)
> A NC E-Stop circuit is quite fail safe because if a switch fails or a wire
> breaks, the circuit goes open and the machine stops. If a wire breaks in a
> NO circuit then the E-Stop button or sensor the broken wire goes to cannot
> initiate a stop.

  > On Tuesday, December 8, 2020, 04:19:16 PM MST, Sven Wesley <
> svenne.d...@gmail.com> wrote:
>   > Friends,
>   >
>   > I am in the process of refreshing a CNC that has been running in
> "temporary
>   > state" the last 12 years, time to give it an overhaul. I've found the
> magic
>   > little piece we all call 7i96. It will do magic.
>

But this isn't an E-stop circuit though, it's an error signal from the
drive that can/should be reacted upon. It makes total sense to have an
active low on such wire. If the drive dies completely the signal will
disappear as well.

Regards,
Sven

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Re: [Emc-users] 7i96 multi wire input

[Sven Wesley]

Den ons 9 dec. 2020 kl 01:39 skrev Gene Heskett :

> On Tuesday 08 December 2020 18:17:11 Sven Wesley wrote:
>
> > Am I totally off the chart if I wire all the drives' pin number 6
> > together and connect them to one of the inputs on the 7i96 and get it
> > to stop the program with a big alert? And maybe add a mechanical
> > switch shortcutting to ground for those panic moments?
>
> I would do the parallel but I'd put a 1n914 in series to a common point,
> So the comon point src could be ID'd, I'd put a super bright led from a 5
> volt line to each of the alarm outputs, letting you see at a glance
> which driver is issueing the alarm.
>
> Cheers, Gene Heskett
>

Nice idea, will do that!

Regards,
Sven

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Re: [Emc-users] 7i96 multi wire input

[Sven Wesley]

Den ons 9 dec. 2020 kl 00:37 skrev Peter C. Wallace :

> On Wed, 9 Dec 2020, Sven Wesley wrote:
>
> > Date: Wed, 9 Dec 2020 00:17:11 +0100
> > Friends,
>
> > I am in the process of refreshing a CNC that has been running in
> "temporary
> > state" the last 12 years, time to give it an overhaul. I've found the
> magic
> > little piece we all call 7i96. It will do magic.
> > ...
> > The manual for the drive says:
> > Error line is pin number 6 in the Main connector and is a dual purpose,
> bi
> > directional line.This pin is active low, meaning that the line is
> > normally high indicating no problems and normal operation.
> > ...
>
> Am I totally off the chart if I wire all the drives' pin number 6 together
> > and connect them to one of the inputs on the 7i96 and get it to stop the
> > program with a big alert?
>
> I think this is possible if you wire the 7I96 input commom
> to +5V so the can sense a logic low. You could also
> use a 7I96 output to short the fault pin to ground
> if you wanted a software reset capability
>
> Peter Wallace
> Mesa Electronics
>

Hi Peter, thanks for your quick reply!
I'm not sure I am following you, the wire should already be high if it is
in normal state?
There is another pin on the drives for resetting a previous error, it works
the same way and an output should work. Today I use a simple push button
inside the cabinet. :)
/Sven

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[Emc-users] 7i96 multi wire input

[Sven Wesley]

Friends,

I am in the process of refreshing a CNC that has been running in "temporary
state" the last 12 years, time to give it an overhaul. I've found the magic
little piece we all call 7i96. It will do magic.

The servo drives have been running flawlessly and the plan is to keep them.
They have a neat error/reset feature via two pins and the old parallel port
BOB supports it. If one drive or an emergency stop is triggering the stop
pin, all drives will be halted by the BOB.
The manual for the drive says:







*Error line is pin number 6 in the Main connector and is a dual purpose, bi
directional line.This pin is ‘active low’, meaning that the line is
normally high indicating no problems andnormal operation. The drive will
stop if this pin is pulled low (grounded) by one of thesesources:EXTERNAL
activation; The line can be pulled low by an external source (CNCsoftware,
E-stop, etc).  INTERNAL activation; The line is pulled low by the drive
itself due to a faultcondition.*

Am I totally off the chart if I wire all the drives' pin number 6 together
and connect them to one of the inputs on the 7i96 and get it to stop the
program with a big alert? And maybe add a mechanical switch shortcutting to
ground for those panic moments?
If I am not totally stupid, what would the Mesa pin config look like?

All the best,
Sven

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Re: [Emc-users] Cutting fluid

[Sven Wesley]

Many moons ago, but sure we did experience some bad allergy reactions from
cutting fluid. Some fluids are prone bacteria growth and if the system
isn't cleaned regularly you may end up with a biohazard de luxe.
Don't ask me how I know, but the sanitation of 25 machines sized workshop
took a while

Den tors 22 okt. 2020 kl 20:25 skrev Nicklas SB Karlsson :

> In some oils there are PAHs polyaromatic hydrocarbons and these have
> been linked to some forms of cancer
> https://en.wikipedia.org/wiki/Polycyclic_aromatic_hydrocarbon Then
> reading about Creosot https://en.wikipedia.org/wiki/Creosote I found
> there is difference in chemical properties between coal-tar and wood-tar
> Creosot and I also expect difference in chemical properties between
> mineral oil and vegetable oil.
>
> Expect food oil to be relatively harmless also then used as a cutting
> fluid, no rust and does not freeze during winter. Maybe bacterial growth
> might be a problem but in such case I could kill them by heating
> regularly. Do not freeze during winter is an important future for me as
> is now.
>
>
> Den 2020-10-21 kl. 21:44, skrev marcus.bow...@visible.eclipse.co.uk:
> > On 2020-10-21 20:10, Nicklas SB Karlsson wrote:
> >> I learned cutting fluid could be unhealthy. Anyone here have any
> >> experience?
> >>
> > I understand the problem has been that soluble cutting oil tends to
> > drench the operator at waist level (on older machines which do not
> > have total enclosures). That led to a noted connection between cancer
> > and soluble oil.
> > I don't know of any link between neat cutting oil and medical
> > conditions, but it is an oil, so the usual hazards apply.
> >
> > I have serious reservations about the current fashion for atomised
> > mist spray coolant, which I believe to be a real danger to the lungs
> > and possibly the eyes, nose and mouth. I have not seen any medical
> > studies on this, but atomised fluids of all sorts are generally a bad
> > idea.
> > Just my opinion.
> >
> > Marcus
> >
> >
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> > https://lists.sourceforge.net/lists/listinfo/emc-users
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>
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Re: [Emc-users] hexapod

[Sven Wesley]

I am pretty sure Dave's hexapod is a six axis milling setup. Not a walking
spider robot.
Like this one:
https://www.youtube.com/watch?v=G_UmhUjZhNo
https://www.youtube.com/watch?v=nebJ59TcYlQ

On Sat, Jul 28, 2018 at 4:54 AM Chris Albertson 
wrote:

> What kind of hexapod are you building?  I've have a long interest in them
> but, so far have only built single legs as prototypes.   All of then had
> short lifetimes.
>
> What what kind of motors are you using and how many per leg?  Finding good
> motors at a reasonable price is important.  With only 3 per leg you need 18
> motor and an 18-axis controller.  With 4 per leg you have a 24-axis system
> and even if you only spend $100 per axis it costs a bit.
>
> The inverse kinematics is not hard to work out.  Just a long and repeated
> application of the plain geometry and so trig.
>
>
>
> On Fri, Jul 27, 2018 at 7:23 PM dave engvall  wrote:
>
> > Oh damn, I just sent my reply to Andy not to the list so here goes again.
> >
> > I just had Ray Henry on the phone and picked his brains. He says tk was
> > written for the hexapod so one needs to find the hexapod kinematics.
> >  From there is should be easy or so he says. I've never tried it so all
> > I can do is relay information.  Sorry I can't be more help.
> >
> > An "old" wiki may shed more light.
> >
> > Dave
> >
> >
> > On 07/27/2018 02:59 PM, andy pugh wrote:
> >  > On 27 July 2018 at 22:01, yomin estiven jaramillo munera
> >  >  wrote:
> >  >> hi to everybody, my application is a hexapod and i decided to change
> > my GUI
> >  >> from axis to tklinuxcnc, my problem is that in the axis GUI all my
> axis
> >  >> move without problems but in tklinuxcnc i have problems with the Y
> axis
> >  >> specifically , This is the error:
> >  > Which version of LinuxCNC are you using?
> >  >
> >  > I am not sure if tklinuxCNC is entirely aware of non-identity
> > kinematics.
> >  >
> >
> >
> >
> >
> >
> --
> > 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
> >
>
>
> --
>
> Chris Albertson
> Redondo Beach, California
>
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Re: [Emc-users] CAD for LinuxCNC

[Sven Wesley]

On Tue, Jul 24, 2018 at 10:26 PM John Dammeyer 
wrote:

> And are you running on Windows, MAC or Linux for Rhino?
>
> > Glad to hear it is stable nowadays.  Gotta test it.
> > For all my work I only work in Rhino 3D  and
> all
> > CAM is made inside Rhino with the MadCam 
> > extension.
> > Been using that combo the last 6-8 years or something like that.
> > It is not for free, but the time I save with an efficient workflow is
> worth
> > every penny. And the price is still a fraction of my former SolidEdge
> > license...
> > Post to LinuxCNC exist, of course.
>
>
On The only Windows machine I ever will have.
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Re: [Emc-users] CAD for LinuxCNC

[Sven Wesley]

On Tue, Jul 24, 2018 at 9:07 PM Valerio Bellizzomi 
wrote:

> The version 0.16 is good, I did not find errors on debian again
> drawings can be exported to STL and given in input to PyCAM
>

Glad to hear it is stable nowadays.  Gotta test it.
For all my work I only work in Rhino 3D  and all
CAM is made inside Rhino with the MadCam  extension.
Been using that combo the last 6-8 years or something like that.
It is not for free, but the time I save with an efficient workflow is worth
every penny. And the price is still a fraction of my former SolidEdge
license...
Post to LinuxCNC exist, of course.
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Re: [Emc-users] frank hermann xatc extremely simple automatic tool changer

[Sven Wesley]

Den tis 17 juli 2018 16:00Gene Heskett 

>
> 
>
> This link from one of the comments shows a considerably better idea, but
> their demo video is obviously being done by hand as all the intermittent
> motion could well be converted to gcode and done in 2% of the time.
> Another item would be to reverse the motor depending on the pocket being
> addressed as that would allow bigger gears at the expense of needing to
> invert the motor drive, needed for adequate tightening of the collets.
> Proof of concept, but needs more development.  And again, skips the
> drawbar problem.
>
> --
> Cheers, Gene Heskett
> --
>

Oh, that was a neat solution!
I was thinking of a modified version of the xatc but with the "ratchet" as
a separate tool. But this one I will steal some ideas from for sure. I
think I use the same concept but the wrench will sit on the ATC, not on the
spindle.

Good find Gene!

/Sven

>
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[Emc-users] THANK YOU German Meetup 2018!

[Sven Wesley]

To all who helped me get the servo running with this hybrid setup of Mesa
and Benezan hardware, I bow deep and move slowly backwards. You are wizards
without a beard (except for Andy though, but it is too short).
A special thank you to Marius, Rene, Andy and Andy, Bene himself and of
course Peter Wallace who made a custom bit file for me!

Of course, an extra big thank you to Andreas Andy Ruff for hosting this
event with such great hospitality!

https://www.instagram.com/p/Blh8T_BlVQX/
https://www.instagram.com/p/BligWNRA0ec/
https://www.instagram.com/p/BlkZo2WjjPt/


/Sven
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Re: [Emc-users] Linuxcnc meeting Stuttgart, Germany 2018

[Sven Wesley]

I hopefully convinced https://www.x-carbon.de/ to come to the meetup, he
makes a LCNC controlled filament winder. He might have a complete machine
that he will bring.

/S




On Fri, Jul 13, 2018 at 6:56 PM Sven Wesley  wrote:

> Ah shoots, Maybe too tight. Will try to join, would be fun to meet
> everyone again!
>
> /S
>
> On Fri, Jul 13, 2018 at 5:02 PM Rene Hopf via Emc-users <
> emc-users@lists.sourceforge.net> wrote:
>
>>
>> > On 13. Jul 2018, at 15:14, Sven Wesley  wrote:
>> >
>> > Did this happen or will it happen? Would be nice to go to Stuttgart
>> again!
>>
>> it will happen, from 20-22 this month.
>>
>> >
>> > /S
>> >
>> >
>> >
>> > On Wed, May 2, 2018 at 6:41 PM andy pugh  wrote:
>> >
>> >> On 2 May 2018 at 17:14, Nicklas Karlsson > >
>> >> wrote:
>> >>> I can't see the date, me be blind?
>> >>
>> >> At this point it is a survey to choose a date.
>> >>
>> >> --
>> >> atp
>> >> "A motorcycle is a bicycle with a pandemonium attachment and is
>> >> designed for the especial use of mechanical geniuses, daredevils and
>> >> lunatics."
>> >> — George Fitch, Atlanta Constitution Newspaper, 1916
>> >>
>> >>
>> >>
>> --
>> >> 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
>> >>
>> >
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>> > https://lists.sourceforge.net/lists/listinfo/emc-users
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>>
>>
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Re: [Emc-users] So, how's Ethernet?

[Sven Wesley]

Thanks Peter and Andy for your input.
I don't put much trust in the internal hardware, no documentation what so
ever except for the spindle VFD. There is a retrofitted machine on eBay,
but too many differences. The servos looks the same and is specified as
"GR80x80 Asto 24V von Dunkermotoren". My controller says 60 V on the data
sign. I can take some photos of a driver but I rather do the effort to add
some new and known hardware than trying to run on old unknown.


On Sat, Jul 14, 2018 at 1:36 AM andy pugh  wrote:

> On 14 July 2018 at 00:18, Peter C. Wallace  wrote:
>
> > I believe you have the same advantages with the STMBL drives
> >
> > A basic step/dir drive would be easier to setup however...
>
> STMBL can do step/dir too.
>
> It's basically a servo drive with a HAL. You can freely combine motor
> types, feedback types and control types.
>
> But it works best of all as a Mesa Smart-Serial slave.
>
> --
> atp
> "A motorcycle is a bicycle with a pandemonium attachment and is
> designed for the especial use of mechanical geniuses, daredevils and
> lunatics."
> — George Fitch, Atlanta Constitution Newspaper, 1916
>
>
> --
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Re: [Emc-users] So, how's Ethernet?

[Sven Wesley]

Ok, friends. This is getting interesting (AKA I'm sort of lost).

Once upon a time there was a beautiful tutorial about choosing the right
setup with Mesa boards involved, but Internet is a living thing and that
page is gone. My entire Mesa knowledge was based on that page...

So, my retrofit is not progressing because I'm lost in the
what-to-choose-problem.

The machine has DC servos with optical disc encoders, I have no data on the
motors nor the encoders but the controller has a sign saying 5A fuse +/- 60
V. I hate when the encoders are crimped to the motor shaft and even though
they are sweet I am more than willing to rip them off and replace them with
capacitive encoders tomorrow.
https://www.flickr.com/photos/svenneduva/albums/72157698570971564

I need a few pins extra. The spindle is a HF air bearing (50 k RPM) with a
pneumatic tool changing mechanism. There goes a few extra pins. The tool
changer itself is fixed but has a motor driven cover with limit switches.
So two limit inputs, motor +/- direction and then signals for releasing the
tool.
The machine itself only has homing switches so three extra inputs, or one
if serial wired. I would like to add end switches though.

The easy way out would getting a Mesa 7i92 + 7i76 combo (no LPT) and some
step/dir servo drives. But I thought the nice thing with for example a 7i77
board is that it handles all the loop back and I only need some simple
amplifier drivers to run the servos and then feed the encoder signals to
the 7i77. But, all the drivers I find they want the encoder input? And I
though they were supposed to go to the 7i77? Even worse, I bought a 7i77
card to host a set of super fancy Omron drivers once upon a time and know I
don't even understand how I was thinking when I bought them. Correct, they
were never installed and are still collecting dust.

So, IF I am going with the Mesa boards, what on Earth is the driver I
should use, and what boards? Simply, I am lost on this one... I don't know
if I'm getting old and lack the googling skills, I can't find a decent
combo anymore. Step/dir is a breeze to setup compared to this jungle. I do
understand Mesa is supporting us and everything, I just don't understand
how little documentation there is to find _how_ to choose boards and to set
them up.

An alternative is Rene's STMBL driver which looks very nice but need
another breakout board as far as I understand. If I make it to the
Stuttgart meeting next weekend we might have a German solution to my
problem. Who knows...








On Thu, Jul 12, 2018 at 10:25 PM Sven Wesley  wrote:

> These little babies. I have a few of them already and my kids have the i7
> version and they are fast. Linux just runs, no trouble. One Ethernet and
> Wifi in the same box. Perfect.
> https://www.dustin.se/product/5011010658/nuc-kaby-lake-wifi
>
>
>
> On Wed, Jul 11, 2018 at 3:32 PM Eric Keller  wrote:
>
>> Which Intel NUC did you get?  A couple of years ago I got a zotac box with
>> dual ethernet ports thinking that I might use it as either a router or to
>> drive an ethernet mesa board.  I think it will end up as a router.
>> Eric Keller
>> Boalsburg, Pennsylvania
>>
>> On Wed, Jul 11, 2018 at 4:05 AM Sven Wesley 
>> wrote:
>>
>> > Yes, looks like your email with the link went to me and not to the list.
>> > Anyway, the Mesa card looks promising. Intel NUC and Mesa boards on the
>> > way!
>> >
>> > /S
>> >
>> > On Tue, Jul 10, 2018 at 5:14 PM Les Newell 
>> > wrote:
>> >
>> > > I beat you to it with the same link but it looks like my email went
>> > > directly to Sven, rather than to the list. For some reason when I
>> reply
>> > > to this list the replies usually end up going direct to the sender
>> > > rather than to the list.
>> > >
>> > > Les
>> > >
>> > > On 10/07/2018 13:38, andy pugh wrote:
>> > > > On 10 July 2018 at 11:47, Sven Wesley 
>> wrote:
>> > > >> You too late, Andy. ;)
>> > > > Too late in the sense that you have already bought the UC400 ?
>> > > >
>> > >
>> > >
>> > >
>> > >
>> >
>> --
>> > > 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
>> > >
>> >
>> >
>> 

Re: [Emc-users] Linuxcnc meeting Stuttgart, Germany 2018

[Sven Wesley]

Ah shoots, Maybe too tight. Will try to join, would be fun to meet everyone
again!

/S

On Fri, Jul 13, 2018 at 5:02 PM Rene Hopf via Emc-users <
emc-users@lists.sourceforge.net> wrote:

>
> > On 13. Jul 2018, at 15:14, Sven Wesley  wrote:
> >
> > Did this happen or will it happen? Would be nice to go to Stuttgart
> again!
>
> it will happen, from 20-22 this month.
>
> >
> > /S
> >
> >
> >
> > On Wed, May 2, 2018 at 6:41 PM andy pugh  wrote:
> >
> >> On 2 May 2018 at 17:14, Nicklas Karlsson 
> >> wrote:
> >>> I can't see the date, me be blind?
> >>
> >> At this point it is a survey to choose a date.
> >>
> >> --
> >> atp
> >> "A motorcycle is a bicycle with a pandemonium attachment and is
> >> designed for the especial use of mechanical geniuses, daredevils and
> >> lunatics."
> >> — George Fitch, Atlanta Constitution Newspaper, 1916
> >>
> >>
> >>
> --
> >> 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
> >>
> >
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>
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Re: [Emc-users] Linuxcnc meeting Stuttgart, Germany 2018

[Sven Wesley]

Did this happen or will it happen? Would be nice to go to Stuttgart again!

/S



On Wed, May 2, 2018 at 6:41 PM andy pugh  wrote:

> On 2 May 2018 at 17:14, Nicklas Karlsson 
> wrote:
> > I can't see the date, me be blind?
>
> At this point it is a survey to choose a date.
>
> --
> atp
> "A motorcycle is a bicycle with a pandemonium attachment and is
> designed for the especial use of mechanical geniuses, daredevils and
> lunatics."
> — George Fitch, Atlanta Constitution Newspaper, 1916
>
>
> --
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> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
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Re: [Emc-users] So, how's Ethernet?

[Sven Wesley]

These little babies. I have a few of them already and my kids have the i7
version and they are fast. Linux just runs, no trouble. One Ethernet and
Wifi in the same box. Perfect.
https://www.dustin.se/product/5011010658/nuc-kaby-lake-wifi



On Wed, Jul 11, 2018 at 3:32 PM Eric Keller  wrote:

> Which Intel NUC did you get?  A couple of years ago I got a zotac box with
> dual ethernet ports thinking that I might use it as either a router or to
> drive an ethernet mesa board.  I think it will end up as a router.
> Eric Keller
> Boalsburg, Pennsylvania
>
> On Wed, Jul 11, 2018 at 4:05 AM Sven Wesley  wrote:
>
> > Yes, looks like your email with the link went to me and not to the list.
> > Anyway, the Mesa card looks promising. Intel NUC and Mesa boards on the
> > way!
> >
> > /S
> >
> > On Tue, Jul 10, 2018 at 5:14 PM Les Newell 
> > wrote:
> >
> > > I beat you to it with the same link but it looks like my email went
> > > directly to Sven, rather than to the list. For some reason when I reply
> > > to this list the replies usually end up going direct to the sender
> > > rather than to the list.
> > >
> > > Les
> > >
> > > On 10/07/2018 13:38, andy pugh wrote:
> > > > On 10 July 2018 at 11:47, Sven Wesley  wrote:
> > > >> You too late, Andy. ;)
> > > > Too late in the sense that you have already bought the UC400 ?
> > > >
> > >
> > >
> > >
> > >
> >
> --
> > > 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
> > >
> >
> >
> --
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Re: [Emc-users] So, how's Ethernet?

[Sven Wesley]

Yes, looks like your email with the link went to me and not to the list.
Anyway, the Mesa card looks promising. Intel NUC and Mesa boards on the way!

/S

On Tue, Jul 10, 2018 at 5:14 PM Les Newell 
wrote:

> I beat you to it with the same link but it looks like my email went
> directly to Sven, rather than to the list. For some reason when I reply
> to this list the replies usually end up going direct to the sender
> rather than to the list.
>
> Les
>
> On 10/07/2018 13:38, andy pugh wrote:
> > On 10 July 2018 at 11:47, Sven Wesley  wrote:
> >> You too late, Andy. ;)
> > Too late in the sense that you have already bought the UC400 ?
> >
>
>
>
> --
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Re: [Emc-users] So, how's Ethernet?

[Sven Wesley]

You too late, Andy. ;)

On Tue, Jul 10, 2018 at 1:06 AM andy pugh  wrote:

> On 9 July 2018 at 16:56, Sven Wesley  wrote:
>
> > http://cncdrive.com/UC400ETH.html
> > http://cncdrive.com/UC300ETH.html
> >
> > Or should I go with the old school LPT port solution?
>
> How about this? It's cheaper and LinuxCNC-supported:
>
> http://eusurplus.com/index.php?route=product/product_id=614=7i92=true_category=true
>
>
>
> --
> atp
> "A motorcycle is a bicycle with a pandemonium attachment and is
> designed for the especial use of mechanical geniuses, daredevils and
> lunatics."
> — George Fitch, Atlanta Constitution Newspaper, 1916
>
>
> --
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> engaging tech sites, Slashdot.org! http://sdm.link/slashdot
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[Emc-users] So, how's Ethernet?

[Sven Wesley]

Dear Friends,

Been away from the EMC arena for a while, but my machines are running as
usual. Now I have to take care of that Körner engraver I was talking about
more than a year ago. I've decided that the easiest way to make this happen
is to rip out the old controller and make new stuff.

So, my drug dealer cncdrive.com has a few breakout boards based on
Ethernet. There are some videos on LCNC hardware on Mesa Ethernet and such,
but it seems there is very little documentation.  These two breakout boards
would be really nice to get up and running, don't you think?

http://cncdrive.com/UC400ETH.html
http://cncdrive.com/UC300ETH.html

Or should I go with the old school LPT port solution?

Yeah, and before you reply with all those real time arguments, I'm too old
in this game so I've read 'em all. ;)

All the best,
Sven
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Re: [Emc-users] LCNC TED Talk style

[Sven Wesley]

2017-06-15 19:07 GMT+02:00 Jon Elson :

> On 06/15/2017 09:15 AM, dave wrote:
>
>> Can someone find a video of the guy from Finland (vistuers ???) and his
>> mig welding of pipe T's?
>> It has been a while and I can't even find an email address.
>>
>>
> Viesturs Lacis :
> https://www.youtube.com/watch?v=WSQO3IkQ0Lo
>
> Jon


Veistur's Latvian welding robot is already on the list of chosen vids. :)
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Re: [Emc-users] LCNC TED Talk style

[Sven Wesley]

2017-06-16 3:30 GMT+02:00 Jon Elson :

> On 06/15/2017 06:10 PM, Ralph Stirling wrote:
>
>> I don't believe Robert Ellenberg's PhD thesis was related to
>> his LinuxCNC motion planner work.  His thesis title is:
>> "A Stability-Estimator to Unify Humanoid Locomotion: Walking,
>> Stair-Climbing and Ladder-Climbing"
>>
>> The link to it is:
>> https://idea.library.drexel.edu/islandora/object/idea%3A4538
>> /datastream/OBJ/download/A_Stability-Estimator_to_Unify_
>> Humanoid_Locomotion.pdf
>>
>> My recollection is that Tormach paid him to work on the motion
>> planner (for both LinuxCNC and Machinekit).  I could be wrong,
>> but perhaps he will pop in here and give the definitive answer.
>>
>>
>> Yes, I can believe that his thesis did not come directly out of LinuxCNC,
> but I think there WAS some tie-in.  There may have been some mathematical
> problems that he solved for one of these projects that was helpful in the
> other.
>
> The basic TP problem with the old EMC was lookahead, and that was the
> problem that Robert tackled.  A general solution to executing a series of
> moves as fast as possible while always obeying velocity and acceleration
> limits.  I can see why similar problems might come up in any kind of motion
> system that makes complex movements.
>
>
> Jon
>
> There's quite a big difference in the academic world when you can claim a
PhD or not. My wife has a PhD in Medicine from Karolinska in Sweden. It
took 5½ years and required 4 published articles, at the same time you write
one article for a technical degree and it takes 3 years. For sure you can
write many articles under your PhD studies and they can include a broad
spectra of issues. If he used LinuxCNC to prove ideas they are a part of
his PhD.
But there's no need for us to guess about it. I'll ask him directly. :)
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Re: [Emc-users] LCNC TED Talk style

[Sven Wesley]

2017-06-15 3:21 GMT+02:00 Jon Elson <el...@pico-systems.com>:

> On 06/14/2017 11:25 AM, Sven Wesley wrote:
>
>> RUGBOT!!! :D That is so nerdy I must show it!
>> And of course Chris' jukebox for the finale. :)
>> Anyone with a Raspberry or a Beagle? Would be perfect to show the wide
>> range. Think Raspberry CNC and the Stuart's monster.
>>
> I manufacture the CRAMPS board that adds 6 stepper drivers and some heater
> FETs to the Beagle Bone for 3D printer setups.  All the brilliant stuff was
> done by Charles Steinkuehler, especially mating the step generator and PWM
> functions running on the Bone's PRU processor to a real-time HAL component
> that runs on the ARM.
>
>> What is the most complex code in the code base. I want to point out that
>> this really is some hardcore stuff. The people I'm talking to are really
>> good programmers so I want to give them some weird stuff. :)
>>
>> I'm not sure of complexity, but Robert Ellenberg's new trajectory planner
> is VERY well thought out (Hell he got a PhD out of it!)  and is one of the
> biggest improvements in LinuxCNC is the last few years.  He gave a talk at
> one of the Machinekit meets describing all the intricacies, and I was
> barely able to follow the general concept.
>
>
Jon,

I would love to show a video or photos of the Beagle setup, do you have any?

Can someone please point me the to Robert's trajectory planner? If he got a
PhD out of it, the CEO for the conference will pee his pants of joy.

/Sven
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Re: [Emc-users] LCNC TED Talk style

[Sven Wesley]

RUGBOT!!! :D That is so nerdy I must show it!
And of course Chris' jukebox for the finale. :)
Anyone with a Raspberry or a Beagle? Would be perfect to show the wide
range. Think Raspberry CNC and the Stuart's monster.

What is the most complex code in the code base. I want to point out that
this really is some hardcore stuff. The people I'm talking to are really
good programmers so I want to give them some weird stuff. :)


2017-06-14 18:08 GMT+02:00 :

> If you have sound Chris Radek’s gcode playing “Daisy” is amusing.  There
> may be other renditions, this is my Emco F1...
> https://youtu.be/S0re79zEX5A
>
> -Tom
>
>
> > On Jun 14, 2017, at 11:49 AM, Nicklas Karlsson <
> nicklas.karlsso...@gmail.com> wrote:
> >
> >> Friends!
> >>
> >> I've been asked to do a 25 min catchy speech for approx 100 super
> skilled
> >> developers on a tech conference. They want to break the standard
> >> What-you-can-do-with-this-cool-framework lectures and show something
> >> completely different.
> >
> > I remember a video with a sewing machine and I think I have small video
> shot of my lego EDM.
> >
> > 
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[Emc-users] LCNC TED Talk style

[Sven Wesley]

Friends!

I've been asked to do a 25 min catchy speech for approx 100 super skilled
developers on a tech conference. They want to break the standard
What-you-can-do-with-this-cool-framework lectures and show something
completely different.

I'm thinking, I should have a few really awesome LinuxCNC videos running
during the presentation. I have a few on my own machines, but I would like
to show them that this is something you can run on your Pi or any other
small board computer. Please help me with some nice links!

Robots? There is at least one nice CNC welder out there.

I am going to emphasize how simple the setup is for a small desktop
machine, and how you can grow your machine with GPIO cards etc.

What more should I address?

/S
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Re: [Emc-users] OT - R Drive AntiBacklash

[Sven Wesley]

2017-02-25 21:17 GMT+01:00 Tomaz T. :

> I'm in doing a little research on replacing "low pitch" slow ballscrews
> with faster R and found this anti backlash system:
>
>
> https://www.damencnc.com/en/components/mechanical-parts/rack---pinion/320
>
>
>
> Does anyone here use it, and is it worth of investment compared to single
> pinion "standard" drive?
>
>
> Reason for replacing ballscrews is also extension of axis and dusty
> environment, as in majority I'm milling MDF and plywood, where I can
> sacrifice some accuracy for more speed.
>


Is that really needed?
The rack and pinions I've seen are without backlash. The gear is in full
contact on both sides and is pushed downwards all the time.
Me on the other hand is renovating my eight year old machine and will
replace the mid screw with belts on each side (I am experiencing that the
big portal is loosing its parallel alignment when cutting out on the
sides). One motor with a shaft going to both ends. Belt wheels in both
ends. Fixed mounted belts.

Same design as this:
https://s-media-cache-ak0.pinimg.com/originals/47/57/37/4757374f7842375071cfda7c248e2fa9.jpg

/Sven
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Re: [Emc-users] Koerner retrofit

[Sven Wesley]

But. I. Don't. Want. Windows!


2017-02-20 13:50 GMT+01:00 andy pugh :

> On 20 February 2017 at 09:48, Florian Rist  wrote:
> > That's exactly what a hot wire cutter from Stepfour that we have here is
> > doing. It start windows 95, than quits Windows, returns to DOS and
> > starts the CNC controller. I should change this and prevent win.exe from
> > starting in the first place...
>
> This is probably fairly easy.
>
> You just need to swap win.exe to the CNC .exe file in the win.ini file.
>
> It used to amuse me to change it to clock.exe on machines left
> unlocked. You end up with a Windows95 GUI that can tell you the time,
> but nothing else :-)
>
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Re: [Emc-users] Koerner retrofit

[Sven Wesley]

Oooh... Didn't know that! That's a feature I really want in LCNC!
Problem is it's outdated. I can only feed it with a floppy disc.

@Peter Blodow, I will try to get in touch with them. The hardware is well
designed and tidy so it's worth keeping for sure.

/S

2017-02-18 21:42 GMT+01:00 Florian Rist :

> Hi Sven
>
> > The computer is still working so I will see if I can dig out
> > any config from it.
>
> If the PC is still working, why not use the original controller
> software. It's actually not bad and it has a nice feature that LinuxCNC
> does not have: You can jog using the job wheel along the path of a
> g-code program, forward and even backwards.
>
> See you
> Flo
>
>
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Re: [Emc-users] Koerner retrofit

[Sven Wesley]

They are servos, pretty big for the machine size too.
Thanks for the link! The machine is the same as the one they discuss
(Körner 532S). The computer is still working so I will see if I can dig out
any config from it. In worst case I'll rip the hardware out and buy some
new drivers and a breakout board. Will probably be cheaper than spending
hours of investigating the old electronics.

/S

2017-02-18 13:23 GMT+01:00 Peter Blodow :

> Sven, please specify more detail of that machine, at least name, number
> etc. There is a company (koerner.net), 36456 Barchfeld (bei Bad
> Salzungen), Germany, making CNC machines. The motors are long, still may
> be steppers, i use to have similar ones (Dunker Motors), somewhat smaller.
>
> Peter
>
> PS: look here:
> https://de.industryarena.com/forum/fraesmaschine-wieder-
> zum-leben-erwecken--8.html,
> although it's in German.
>
>
>
>
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Re: [Emc-users] Happy 82nd to me, and the latest version of my G76 tweaker for you

[Sven Wesley]

2016-10-05 7:11 GMT+02:00 Gene Heskett :

> On Tuesday 04 October 2016 23:09:47 Jack Coats wrote:
>
> > Hope you have had a great anniversary of full revolutions around Sol!
> > .. .In short, Happy Birthday Gene!
> >
> Not too bad Jack, once all the other factors are stirred in, I think it
> was pretty good. The biggest thing of course is to be here to brag about
> it. :)
>
> Thank you.
>

Gene, you've been on this list as long as I can remember. And I joined like
12 years ago. :)
Age is just a number, keep on defying it!

/Sven
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Re: [Emc-users] A lot of input/output. Cheap

[Sven Wesley]

2015-09-22 22:06 GMT+02:00 Dave Cole :
>
>
> I would avoid putting the machine vertical unless you have no choice.
> The machine likely is setup for ejectors that push the molded parts out
> so they can drop down.
>
> It will also mess with your mold heat control since you will have one
> above the other.   Heat rises and you will be surprised how much the
> heat will transfer from the bottom plate to the top plate.
>
> Last, how will you change molds with one on top of the other.   With it
> vertical, now you can't drop them in with a crane/lift.
>
> Also the granule feed system for the screw is usually gravity feed.
> That would need some rework.  You will be surprised how difficult doing
> that will be.
>
> There are some good reasons why they are made in a horizontal fashion.
> You will also likely need to alter the hydraulics so the machine doesn't
> fall open or closed if it loses power.
>
> Dave
>


Guys,

I've owned this machine quite a while, I know how it works. I'm not new in
the plastics arena as I started moulding in the early 90's.
This particular machine is made for vertical moulding, I can flip it as it
is. It takes me 15 minutes to re-arrange the setup for verticals and it
runs perfect that way too. On a vertical you simply slide the moulds into
place. I prefer that instead of craning any given day. We're not talking 60
ton or above. This is a 35 ton machine so the moulds aren't really that
heavy.

A slow PC with LinuxCNC and an Arduino board is way cheaper than any PLC
ECU. If I retrofit this lump _it_will_be_ LCNC. But at the moment I am more
into ripping it up and save some of the parts for a home brew.

/S
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Re: [Emc-users] R: R: A lot of input/output. Cheap

[Sven Wesley]

It is either throw out the door or retrofit it to run a couple of more
years.
I might even rip it in pieces and use some of the parts to make a smaller
vertical machine.



2015-09-22 19:37 GMT+02:00 Alex Chiosso :

> If you would like a 'personal" usage machine you can try what ever
> Solution should work.
> But if you are searching For a reliable industrial grade Solution you have
> to spend some Money. This is my experience on that specific argument.
> Sometimes cheap is not good. ;-)
>
> - Messaggio originale -
> Da: "Karlsson & Wang" 
> Inviato: ‎22/‎09/‎2015 19:28
> A: "Enhanced Machine Controller (EMC)" 
> Oggetto: Re: [Emc-users] R:  A lot of input/output. Cheap
>
> > Hi Sven.
> > It is a small machine but in any case I suggest to you to use a plc in
> stead on LCNC.
> > I mean it is possibile to do it even with LCNC but will be much
> difficult.
> > I did many injection  molding machine retrofit (the electric and
> Electronic and software part) and a plc+hmi is the much confortable
> solution.
> > Realtime is needed as per machine cycle control (you have to be
> deterministic for a precise and reliable control).
> > A 10ms task can be acceptable.
> > I personally made a hw and sw package with Schneider Electric plc M258
> and hmi Magelis GTO 10"" touch screen plus a software Application that I
> personally developed.
> > But if you have time to spend and less money you cam try LCNC + MODBUS
> IO . ;-)
>
> I would say HMIs are quite exensive comparted to slightly outdated PC,
> what do you say about that?
>
>
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Re: [Emc-users] A lot of input/output. Cheap

[Sven Wesley]

2015-09-21 9:24 GMT+02:00 alex chiosso :

> Hi Sven.
> Can you send a picture of the machine you have to retrofit ?
> Is it an injection moulding machine ?
> If yes how many tons is the closing clamp force and how many heating zones
> have the injection barrel/chamber ?
>
> Regards.
>
> Alex
>
> Here you go.
https://c2.staticflickr.com/6/5652/20606563013_d2a911f7e7_b.jpg

It's a really nice machine, a Stübbe that has been running extremely fine
moulds. I can even rotate the moulding line to vertical position. I am
actually thinking of ripping the machine a part and make a new base with
the clamps fixed in vertical position to save space.
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[Emc-users] Roboting vid

[Sven Wesley]

This guy just posted over at cnczone. Good work I say. :)

https://www.youtube.com/watch?v=KH1eaS56UvI
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[Emc-users] A lot of input/output. Cheap

[Sven Wesley]

Yo!

I have this old injection moulder and the electric mayhem has degraded to a
point were I need to either throw out the machine or rebuild. The machine
is mechanically in good shape so I lean towards the latter.

There are a billion of limit switches and the hydraulic system is managed
by electric solenoids via relays and timers. I need a lot of IO-ports. I
could of course get a Mesa card but this machine has no performance goals
and an old PC with a few parallel ports should be more than fine.

What cheap solution do I have to play with?
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Re: [Emc-users] A lot of input/output. Cheap

[Sven Wesley]

Oh no, real time not needed. I would say there are maybe 40 switches right
now and probably 20-25 hydro valves. With some better placement and logic I
think probably half of the switches could be passed to the bin (you should
see the electric wiring...).
I can easily run the entire machine with an Arduino and relay boards. But
my plan was to use the Classic Ladder and use a GUI panel for timer
settings, showing states etc.


2015-09-15 11:26 GMT+02:00 andy pugh <bodge...@gmail.com>:

> On 15 September 2015 at 07:53, Sven Wesley <svenne.d...@gmail.com> wrote:
>
> > What cheap solution do I have to play with?
>
> What do you call "a lot" of IO? If you want more than 1000 IO lines
> then I think Mesa might be best.
>
> Do you need realtime? An Arduino Mega and Jeff's Arduino library would
> work over USB.
>
> --
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> If you can't fix it, you don't own it.
> http://www.ifixit.com/Manifesto
>
>
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Re: [Emc-users] A lot of input/output. Cheap

[Sven Wesley]

2015-09-15 14:16 GMT+02:00 andy pugh :

> On 15 September 2015 at 13:03, Carsten Presser  wrote:
>
> > the big advantage of the mesa-boards is that they are well suited to
> > drive relays and other kinds of devices.
> > An Arduino or similar board only has TTL or CMOS IOs which need to get
> > adapted to your actual IO voltages/currents.
>
> Also, thinking about it, an Aduino Mega is no cheaper than a 7i90
>
> http://store.mesanet.com/index.php?route=product/product_name=7i90_id=291
> That has the same IO voltage problems as the Arduino, but plugs
> straight in to LinuxCNC (EPP Parport) and realtime HAL.
> http://linuxcnc.org/docs/html/man/man9/hm2_7i90.9.html
>
>
Don't get me wrong, I like Mesa. A Mesa board is not cheaper than a Mega.
You can order a clone on eBay for less

than
half. I have a few of those and they work as expected. There are Arduino
relay boards out there as well. I will get all the relays needed

and the Arduino board, still for less money than one 7i90. But I prefer
opto isolated heavy duty solid state relays for this instead of tiny
mechanical relays on a small board. You should see the relay panel inside
the machine, the relays are like bricks...

I think your suggestion with the HAL/Arduino library will be the cheapest
possible and more than good for this application, I will try it for sure!
With some small tweaks it will be fine for a Mega board and I should have
enough I/O.
Thanks!

/S
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Re: [Emc-users] mailing list vs forum

[Sven Wesley]

2015-09-14 12:49 GMT+02:00 andy pugh :

>
> At the other end of the spectrum, Gmail also does this very well.
>
> Gmail also makes it easy to do do selective quoting, just click "in"
> the message you want to reply to, select the text you want to quote,
> and press the "reply" button or the A-key (if you have keybard
> shortcuts on)
>
>
Even better. I have all mail lists discussions filtered into their own sub
folder and they are not visible in my inbox. Super easy to configure and
follows along on all devices I use for reading mail.
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Re: [Emc-users] mailing list vs forum

[Sven Wesley]

2015-09-14 12:28 GMT+02:00 Erik Christiansen :
>
>
> This over-the-hill contributor doesn't do fora

 <>


> With mutt, mail threads can be initially displayed collapsed, with any
> you've contributed to shown in a different colour.


I salute you for tool of choice! :)
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Re: [Emc-users] mailing list vs forum

[Sven Wesley]

2015-09-13 21:41 GMT+02:00 andy pugh :

> On 13 September 2015 at 20:31, Jim Craig 
> wrote:
> > I use both the forum and the mailing list.
>
> So do I. But I personally prefer mailing lists.
>
>
I've seen a few pretty funny arguments IMO about mailing lists recently. A
few questions at cnczone have been unanswered and I've replied that the OP
should join the mailing list to get an answer. Every time I've got shitty
replies about being an arse and mailing lists are from the stone age.
One thread ended with the OP getting help from someone with a bit of a
ranting and I replied "good, document your solution in the wiki". Guess
what, nothing happened. To me that's a serve-me-when-I-want-brat-attitude.
If I gave the person a clue where to get an answer and then he acts like an
arse, who is the real arse?

Mailing list everyday.
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[Emc-users] Even smaller things are running G code now

[Sven Wesley]

I replied on a forum about G Code and I had to check up what the heck he
was using for his machine.

An arduino. And a Java program...

https://github.com/winder/Universal-G-Code-Sender
There's even a Youtube video with a demo and all you need listed in the
description.
https://www.youtube.com/watch?v=1ioctbN9JV8

/S
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Re: [Emc-users] Sandy box

[Sven Wesley]

2015-06-05 21:58 GMT+02:00 Przemek Klosowski przemek.klosow...@gmail.com:


 So I took an Android 7 tablet (Azpen A700)  that I got for $35 from
 MicroCenter, installed   X11 server from the Play Store:
 https://play.google.com/store/apps/details?id=x.org.serverhl=en

 and ran a test program (attached) talking to the X server on the tablet
 via USB:

 DISPLAY=192.168.1.11:0  wish testbuttons.tcl

 It runs fine, although the mouse interaction is awkward (have to slide
 the cursor to the target first before tapping to click).


I'm on your side Przemek.

I remember a year or two ago this discussion was a kind of a hot topic
after a test I did (and someone else also made it as well) where I had
different computers for running the machine and the GUI. I was frankly
considered being an idiot by some.
While I am since then happy strolling along being a lesser smart person, I
visited a partner's factory. It turns out that they run ALL THEIR MACHINES
REMOTELY. Tooling centers, lathes and injection molders. Everything
controlled from the desk 4 feet from the coffee machine. And now I am
looking into investing in a new injection molder, all three brands we look
at has VNC remote control as standard.

I helped a friend making a big router for profiling plywood sheets. He runs
the machine GUI on a laptop with touch screen and can control the router
from the other end of the table 10 feet away. He is also kind of stupid
considering he runs two computers (less running back and forth is not taken
into account).

Why bother making a touch screen setup for a PC when a touch screen laptop
or tablet is dirt cheap? Letting the box, BBB or whatever you like
controlling the machine and running the GUI somewhere else is pretty
obvious to me. You can get a pretty good tablet on Amazon for $70 USD
(Dragon Touch 9 screen, quad core). My kids have them for gaming. They run
VNC just fine.
With that said, I'll keep on strolling as an idiot. But now with the fact
that more or less the entire industry is accepting dual computer setups.

And the don't-trust-wireless-machines-argument was pouring down the drain
back then too. Let me re-post a picture:
http://www.hiab.com/globalassets/inriver/resources/544ea8hip_se12_008ret_1300x845.jpg
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Re: [Emc-users] Converting straight lines to arcs?

[Sven Wesley]

We've had this discussion within MadCAM users, the guys running older
machines (non converted or with old drivers) loses speed and sometimes the
G-code comes out too big for the machine memory. So there's a need for it,

Frank Tkalcevic, that's the guy who made the g1ToG23 script. Really clever
little thing.
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinesToArcs
Here's the original mail from June 2013:







*It will take a gcode file (only tested with Slic3r output) and convert
themany short line segments back to arcs.  It can make a huge difference
toprint speed and file size if there are lots of arcs.It's slow, but has
been reliable over the last couple of months.Frank*

If you search the mail archive
http://comments.gmane.org/gmane.linux.distributions.emc.user/44529 you'll
find the mail thread.



2015-03-26 1:40 GMT+01:00 andy pugh bodge...@gmail.com:

 On 26 March 2015 at 00:33, Gregg Eshelman g_ala...@yahoo.com wrote:

  Would make the cut faster and smoother instead of doing a lot of very
  short straight cuts.

 Possibly not, as the trajectory planner already does that (to within
 the limits of the blending tolerance).

 However, I think I have heard of software that can do the same thing.

 You can draw an arc through any three points, but there is no
 guarantee that successive arcs generated the same way will be
 tangential to each other, so there needs to be some clever
 manipulation to make the arcs as big as possible to see the potential
 advantage.

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[Emc-users] Smart little device for zeroing

[Sven Wesley]

https://www.youtube.com/watch?v=jZLW7knSICk
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Re: [Emc-users] What was the name of that board?

[Sven Wesley]

2015-01-09 13:35 GMT+01:00 Viesturs Lācis viesturs.la...@gmail.com:

 2015-01-09 6:58 GMT+02:00 Sven Wesley svenne.d...@gmail.com:
  Found it!
  In the mail thread with the subject I'm going to build something small,
  need a cheap stepper driver, answer by Kerry Lynn.
  It's the TinyG setup I was looking for.
  https://www.synthetos.com/what-is-tinyg-and-why/
 
  https://www.youtube.com/watch?v=Ym3K71dbbVw
 

 Oh, thanks, I had missed this one. I took a brief look at their
 webpage and I do not understand, how are they better in multi-axis
 (beyond 3 or 4 axes, as they put it) than LinuxCNC or similar stuff.
 They say that interpreter is running on that board, broadcast all the
 commands to all the boards, but each board executes only those
 commands it is responsible for. So far I understand this concept. But
 I do not understand, how they intend to extend beyond 9 axes in
 LinuxCNC-compatible g-code (number of joints certainly is not an
 issue)...

 Viesturs


They don't aim AFAIK for more than 4 axes machining (more likely 3 axis but
with two Y-motors). The concept is simplicity, you don't need a PC and the
entire driver setup to run a small desktop or similar machine, this is an
integrated package, more or less wire up and go. I am going to build a few
machines for educational purpose and for a hobbyist workshop, we can still
run the LinuxCNC simulator and there are post processors for LxCNC in
CAM-packages.

I think this is a perfect product for someone who wants to make a small
machine and then when their interest grows they already know about LinuxCNC
and continue in to the real deal.

/Sven
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Re: [Emc-users] Using washing machine motor

[Sven Wesley]

2014-12-19 6:22 GMT+01:00 richsh...@comcast.net:

 Our Sears washing machine got replaced and I got the motor. Says 820W 3
 phase, 195V, 320 hz, 17,000 rpm. Anyone messed with one of these with a vfd
 or a vector drive? It's tiny, seems to be well built, shame to put it in
 the bin without seeing what can be done with it.


Andy has a machine driven by the pancake version of laundry motors.

/S
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Re: [Emc-users] What was the name of that board?

[Sven Wesley]

2015-01-08 23:47 GMT+01:00 Sven Wesley svenne.d...@gmail.com:



 Thanks Viesturs but that's not the one. There is another one complete with
 display and everything that is fully compliant with our G-code. Gotta find
 it...


Found it!
In the mail thread with the subject I'm going to build something small,
need a cheap stepper driver, answer by Kerry Lynn.
It's the TinyG setup I was looking for.
https://www.synthetos.com/what-is-tinyg-and-why/

https://www.youtube.com/watch?v=Ym3K71dbbVw


/S
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Re: [Emc-users] What was the name of that board?

[Sven Wesley]

2015-01-08 20:14 GMT+01:00 Viesturs Lācis viesturs.la...@gmail.com:

 Sven, I also had some difficulty to find, but finally managed: the guy
 is Alexander Rössler, the company is The Cool Tool and the device is
 Sandy Box.
 It is not only compatible with LinuxCNC g-code, it is actually
 [almost] running it - it has BeagleBone Black and Machinekit under the
 hood:
 http://blog.machinekit.io/2014/12/cool-tool-sandy-box-cnc-control.html

 Viesturs


Thanks Viesturs but that's not the one. There is another one complete with
display and everything that is fully compliant with our G-code. Gotta find
it...
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[Emc-users] What was the name of that board?

[Sven Wesley]

Not long ago someone posted the name and a link to a complete controller
that is compatible with LxCNC G-code.
What was the name again?
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Re: [Emc-users] Notes on PWM and FETs

[Sven Wesley]

2014-11-28 19:56 GMT+01:00 Kirk Wallace kwall...@wallacecompany.com:

 On 11/28/2014 10:17 AM, John Kasunich wrote:
  May I make a suggestion?

 I post my work in order to get feedback. Thank you very much for your help.

 My next step, which I have yet to post, added a TC4422 after the
 opto-isolator. That is what is in the next scope picture. The FET ran
 with barely a hint of heating while under a load (one hand on the FET
 the other trying to stall the motor, not recommended, do _not_ do as I
 do, folks). The HCPL3150 looks like it combines the bits I have. I'll
 have to get some on order.



Would it work better with an IRZL44N? It's popular in the Arduino community
for its logic level input.
http://www.edaboard.com/thread245565.html
http://forum.arduino.cc/index.php?topic=11565.0

I use it in a home made engine ECU to PWM a fuel gate and it works very
well.

/S
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Re: [Emc-users] OT: US member doing injection molding?

[Sven Wesley]

Ha ha, we went OT on the OT. :)

The new build is from scratch. Electro driven knee press mechanics, 30-35
ton clamping force but not a very large shot size. Really small floor area
is used, the machine is vertical.
My real machine can be tilted vertical but that is not to make a smaller
foot pring, a vertical machine is perfect when there are pieces that should
be molded into the plastic, like threads or reinforcements.

2014-11-20 9:46 GMT+01:00 Tux Lab project.tux...@gmail.com:

 Sven,

 Too bad, I am ocean hop away in LA.   Do you have a BOM for your router
 build?

 Are you building the injection molder from scratch or retrofitting an
 existing one?

 thanks,
 John


 On Wed, Nov 19, 2014 at 7:24 PM, Sven Wesley svenne.d...@gmail.com
 wrote:
  I'm located in the far far West. Hawaii.
 
  @John:
  I have a 50 ton injection molder and I started making a new one but
 smaller
  that I was going to control with an Arduino.
  The CNC machines are one bug steel frame router table and a retrofitted
  operation center. Both are servo driven.
  I would love to help but I guess you are on mainland.
 
  @Ron:
  Thanks for the tip, will look into that.
 
  /S
 
 
  2014-11-20 2:53 GMT+01:00 Tux Lab project.tux...@gmail.com:
 
  Hi Sven,
 
  Where are you located? What kind of milling machine were you
  controlling with LinuxCNC?   I am sort of meandering my way toward
  setting up a domestic manufacturing cooperative and am contemplating
  building a LinuxCNC control milling machine.We are also sort of
  working our way toward getting a small 25 ton injection molding
  machine up and running.
 
  If you are near by, is building a LinuxCNC control mill something you
  are interested in?
 
  thanks,
  John
  tux-lab.com
 
 
 
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[Emc-users] OT: US member doing injection molding?

[Sven Wesley]

Anyone of our members making plastic parts?
I have a small piece I want to make a few hundreds of, but since I moved to
the US I have no access to a workshop and my own workshop is shut down and
closed until I decide to move back.

It's an end cap to a mirror mount, transparent, not big but a little bit
complex shape. I would have made the tool in aluminium (like Alumek) as the
quantity will not be super high. Less than 1000 within a year or two I
believe.

Anyone here interested in doing this little project?
I can prepare the mold layout, I can generate the tool paths too.

Regards,
Sven
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Re: [Emc-users] OT: US member doing injection molding?

[Sven Wesley]

I need both. 3D machining is needed.

/S

2014-11-19 21:38 GMT+01:00 Ralph Stirling ralph.stirl...@wallawalla.edu:

 Are you looking for someone to make the mold, do the molding, or both?

 I know a local guy who is good for small runs of molded parts, but he isn't
 equipped to make very complex molds (2.5D cnc, manual milling and turning,
 sinker EDM).  He uses a lot of aluminum molds.

 -- Ralph
 
 From: Sven Wesley [svenne.d...@gmail.com]
 Sent: Wednesday, November 19, 2014 12:06 PM
 To: Enhanced Machine Controller (EMC)
 Subject: [Emc-users] OT: US member doing injection molding?

 Anyone of our members making plastic parts?
 I have a small piece I want to make a few hundreds of, but since I moved to
 the US I have no access to a workshop and my own workshop is shut down and
 closed until I decide to move back.

 It's an end cap to a mirror mount, transparent, not big but a little bit
 complex shape. I would have made the tool in aluminium (like Alumek) as the
 quantity will not be super high. Less than 1000 within a year or two I
 believe.

 Anyone here interested in doing this little project?
 I can prepare the mold layout, I can generate the tool paths too.

 Regards,
 Sven

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Re: [Emc-users] OT: US member doing injection molding?

[Sven Wesley]

Hi Pete,

This part requires injection molding and a UV-resistant plastic. I would
like to do it in PC due to it's durable properties but that's a tough
plastic to work with so I'm willing to use something else, PET would
probably work too.

I do have some knowledge. My workshop has injection moulders and several
CNC machines for mold making.
MadCAM is a plugin for Rhino 3D that can make everything up to 5 axis
simultaneous. The LinuxCNC Post processor included in the application is my
fault. :)
It's not for free though, but compared to the other competitors I think
there is no one who can compete with the features in that price range. And
the lead developer is a well experienced guy in tooling so he is not just a
programmer, he has both an injection molding company and a tooling workshop
under his wings. I would guess 15 employees doing this kind of things all
day long. Unfortunately this project is a bit too small for them in
quantity figures.



2014-11-20 0:43 GMT+01:00 Pete Matos petefro...@gmail.com:

 Sven,
 Perhaps if you can post a photo of the part or the cad drawing people
 could be able to give you a better idea of who and how to make it. It might
 be able to be built in other ways as well but it sounds like you have a
 good bit of knowledge in that arena. I see you have several MadCam videos
 online that looks interesting have not seen or heard much about it. Peace

 Pete


 On Wed, Nov 19, 2014 at 4:34 PM, Sven Wesley svenne.d...@gmail.com
 wrote:

  I need both. 3D machining is needed.
 
  /S
 
  2014-11-19 21:38 GMT+01:00 Ralph Stirling ralph.stirl...@wallawalla.edu
 :
 
   Are you looking for someone to make the mold, do the molding, or both?
  
   I know a local guy who is good for small runs of molded parts, but he
  isn't
   equipped to make very complex molds (2.5D cnc, manual milling and
  turning,
   sinker EDM).  He uses a lot of aluminum molds.
  
   -- Ralph
   
   From: Sven Wesley [svenne.d...@gmail.com]
   Sent: Wednesday, November 19, 2014 12:06 PM
   To: Enhanced Machine Controller (EMC)
   Subject: [Emc-users] OT: US member doing injection molding?
  
   Anyone of our members making plastic parts?
   I have a small piece I want to make a few hundreds of, but since I
 moved
  to
   the US I have no access to a workshop and my own workshop is shut down
  and
   closed until I decide to move back.
  
   It's an end cap to a mirror mount, transparent, not big but a little
 bit
   complex shape. I would have made the tool in aluminium (like Alumek) as
  the
   quantity will not be super high. Less than 1000 within a year or two I
   believe.
  
   Anyone here interested in doing this little project?
   I can prepare the mold layout, I can generate the tool paths too.
  
   Regards,
   Sven
  
  
 
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 A and N Precision and Fabrication
 Maryville, Tennessee
 865-236-8996

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Re: [Emc-users] OT: US member doing injection molding?

[Sven Wesley]

I'm located in the far far West. Hawaii.

@John:
I have a 50 ton injection molder and I started making a new one but smaller
that I was going to control with an Arduino.
The CNC machines are one bug steel frame router table and a retrofitted
operation center. Both are servo driven.
I would love to help but I guess you are on mainland.

@Ron:
Thanks for the tip, will look into that.

/S


2014-11-20 2:53 GMT+01:00 Tux Lab project.tux...@gmail.com:

 Hi Sven,

 Where are you located? What kind of milling machine were you
 controlling with LinuxCNC?   I am sort of meandering my way toward
 setting up a domestic manufacturing cooperative and am contemplating
 building a LinuxCNC control milling machine.We are also sort of
 working our way toward getting a small 25 ton injection molding
 machine up and running.

 If you are near by, is building a LinuxCNC control mill something you
 are interested in?

 thanks,
 John
 tux-lab.com


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[Emc-users] linuxcnc web site got hacked

[Sven Wesley]

It's all Russian to me.
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Re: [Emc-users] linuxcnc web site got hacked

[Sven Wesley]

Seems Chrome decided to pickup a language cookie, might be some link I
followed to the site that changed the language.


2014-11-03 21:36 GMT+01:00 Jeff Epler jep...@unpythonic.net:

 The linuxcnc.org CMS software (joomla) is simplistic in the way it
 handles language.  If you arrive (for instance by search) at a page with
 /russian/ in the URL, it sets your language on that computer to
 russian until you click the link for your preferred language in the
 sidebar.

 It's a surprise the first few times you do it :-P  After that, you learn
 to find and click that english link right away.

 Jeff


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Re: [Emc-users] LinuxCNC Meeting Stuttgart, Germany 2014

[Sven Wesley]

Did you solve the infinity problems you found last year?



2014-10-29 22:11 GMT+01:00 Christian Stöveken christian.stoeve...@gmail.com
:

 On Wed, Oct 29, 2014 at 9:50 PM, Sebastian Kuzminsky s...@highlab.com
 wrote:

 
  Are you using genserkins for the R15?


 yes.

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Re: [Emc-users] Houston LinuxCNC Fest

[Sven Wesley]

Even though I'm a fellow Citizen of Amerruca nowadays, it's pretty darn far
away.

2014-10-30 4:54 GMT+01:00 Jon Elson el...@pico-systems.com:

 On 10/29/2014 01:19 PM, Mark Johnsen wrote:
  I had a great time in Houston at TX/RX labs as well.  Thanks to Chris and
  Roland for hosting and breakfast on Sunday!
 
 
 
  I posted some pics of the Houston fest at TX/RX as well:
  https://plus.google.com/114303576325717690129/posts/GHGRPmUwKt6
 
 
 HEY, that's funny!  You have a picture of me taking a
 picture of you
 taking a picture of me!

 I'll get some pics up when I get back on top of all the
 other stuff I need to
 be doing.

 I do want to thank Chris and Roland and all the other fine
 folks at Tx/Rx also.

 I had a great time, never heard of a hacker space that
 served gourmet meals,
 too!  Most of them might have a microwave and a mini-fridge
 at the most.

 Jon


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Re: [Emc-users] LinuxCNC Meeting Stuttgart, Germany 2014

[Sven Wesley]

PICS OR IT DID NOT HAPPEN!


2014-10-24 19:16 GMT+02:00 Christian Stöveken christian.stoeve...@gmail.com
:

 If you still need a place to crash or any help ring me up
 0176 975 99 253



 On Thu, Oct 23, 2014 at 1:42 PM, Rene Hopf reneh...@mac.com wrote:

  I do not know if there is anything happening on Friday. If not I will
  spend the evening in the local Hackerspace: http://shackspace.de/
 
   On 23 Oct 2014, at 12:59, alex chiosso achio...@gmail.com wrote:
  
   Hi Rene.
   I'm coming from Italy and I will arrive in Stuttgart on Friday mid
   afternoon.
   Are you going on site on Friday ?
  
   Alex
  
   On Thu, Oct 23, 2014 at 12:40 PM, Rene Hopf reneh...@mac.com wrote:
  
   Hi,
   I will arrive Friday evening, is there anything going on on Friday?
   Are the ABB robots for sale? If they are, I might need a bigger car…
   My driver is making good progress:
  
  https://www.dropbox.com/s/m0s75igxbtm3qw8/2014-10-23%2012.27.22.jpg?dl=0
  
   Rene
  
  
   On 02 Oct 2014, at 15:04, alex chiosso achio...@gmail.com wrote:
  
   Hi Christian .
   So the Meeting will be on October 25th and 26th , ins't it ?
   I'm planning to be there .
   I would like to be on site since Friday 24th early afternoon is it
   possible
   ?
   I can help you to prepare the site if you want or whatever else you
  need
   to
   do for the Meeting.
   If something is changed please let me know.
  
   Regards
  
   Alex
  
   On Fri, Sep 12, 2014 at 1:44 PM, Christian Stöveken 
   christian.stoeve...@gmail.com wrote:
  
   On Fri, Sep 12, 2014 at 9:35 AM, Marius Alksnys 
   marius.alks...@gmail.com
   wrote:
  
   I could bring electric cabinet I built for Reis RV6 robot, connect
 it
   to
   the ABB robot and try to run it. Probably I could prepare for this
 in
   advance.
   It has Mesa electronics with 5i23, 7i44, 7i37, 6x 8i20 and 7i49 for
   resolvers, THCAD.
  
   Are you interested?
  
  
   Sure, why not.
  
  
   If the answer is YES, then..
   For connection connector adapters are needed from Reis to ABB. For
  this
   connector parts to cabinet (Reis side) are needed:
  
  
 http://www.tme.eu/parking/99d7c3c845593fe353a7848e4474a3bb9d2b2676.html
  
  
   That's a Harting Han-72-DD connector - I will check on monday if we
  have
   one lying around.
  
   The ABB has a Harting Han-40-D - and I already organized 3
 connectors
   with
   wires.
   Also I already figured out the pinout of the ABB's.
  
   ... could
   you please figure out what we would need to make adapters?
  
  
   Pinout of the Reis Han 72 DD, a soldering Iron and some shrinking
  tube I
   guess ;-)
  
  
  
 
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Re: [Emc-users] Rubber Keyboard

[Sven Wesley]

I have been using several rubber style keyboards in both light and heavy
industrial environments and unfortunately they fail pretty fast even though
they claim to be superiour.
We've found a Logitech keyboard too
https://www.google.se/shopping/product/16574155455207937031?espv=2output=searchsclient=psy-abq=logitech+waterproof+keyboardpbx=1bav=on.2,or.r_cp.r_qf.bvm=bv.77880786,d.cGEion=1biw=1383bih=897tch=1ech=1psi=Ef9HVOrvO9GQigK7q4CAAQ.1414004496658.3sa=Xei=G_9HVPw-x_iKAs7pgeANved=0CIwBELok,
that really can take some beating and it just goes on and on. You can be
really mean to it, wash it with soap and it looks like brand new.
The vandal safe version Andy referenced to looked very promising.

2014-10-21 6:39 GMT+02:00 Bruce Layne linux...@thinkingdevices.com:

 I've been using the Logitech K400 wireless mini keyboard for all of my
 LinuxCNC projects.  I use it as a keyboard, but I also use the keyboard
 with the hot keys as an oversized pendant.  I love not fighting a cord.

 http://www.amazon.com/gp/product/B005DKZTMG

 The K400 isn't waterproof, but they hold up fairly well.  I haven't
 drowned it in coolant, but the occasional chips fall off when I turn the
 keyboard off, invert it. and swipe across the keys to free loose chips.

 I haven't destroyed one yet, they're holding up very well, they have
 plenty of range (even with the USB dongle plugged into the PC in a
 sealed metal electrical panel), and the battery life is insanely long.
 They're cheap enough that I consider them disposable.  I bought a couple
 of extras that I haven't needed yet.

 I just learned that there's a silicone overlay that should make the K400
 much more resistant to chips and coolant and other shop abuse. It gets
 good reviews, so I'll order one and try it.

 http://www.amazon.com/gp/product/B00DE7SHII




 On 10/21/2014 12:06 AM, Dave Cole wrote:
  FWIW, I bought a higher end Logitec wireless and mouse recently and it
  is advertised as being coffee proof.   Apparently it is designed to
  flow the coffee or whatever through the keyboard and out the back.
 
  Here is another one that is washable.
  http://www.pcmag.com/article2/0,2817,2408789,00.asp
 
  I have a couple of these K120 keyboards and they are spill resistant
  and they work fine and seem to last a long time in nasty environments.
  In fact I just looked and I am typing on one now!
  http://www.logitech.com/en-sg/product/keyboard-k120
 
  And here is the best thing about the K120 keyboards;  $8.00 at
  Walmart.Just a little more than dirt cheap.
 
 http://www.walmart.com/ip/15050908?wmlspartner=wlpaadid=227000583154wl0=wl1=gwl2=cwl3=40880018312wl4=wl5=plawl6=77345774449veh=sem
 
  Dave



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Re: [Emc-users] LinuxCNC Meeting Stuttgart, Germany 2014

[Sven Wesley]

Oh nooo! I can't go this year, I am moving to the other side of the US for
a year. This was the best weekend of the entire 2013 so you guys that are
thinking about it. Damn it stop thinking and go!!!

I really, really want to go...
Den 11 aug 2014 19:48 skrev Niemand Sonst nie...@web.de:

 Am 11.08.2014 um 19:25 schrieb andy pugh:
  On 11 August 2014 18:05, Niemand Sonst nie...@web.de wrote:
 
  May be this year I can bring a Heckler and Koch Mill with tool changer
  to convert it with your help ;-)
  Is this one for making 9mm holes in distant workpieces?
 
 It is able to make also 9 mm holes, but not in distance ;-)
 It is a education mill with 225 x 120 x 200 mm travel way and a 9 slot
 turrent changer.
 With cabine and cooling.

 I do my 9 mm holes with a Glock 19 ;-)

 Norbert


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Re: [Emc-users] LinuxCNC 2.6.0 is out!

[Sven Wesley]

Nice!

I was on the pre-release and a major mess AKA RTAI version conflict
occured. Nevermind, the computer isn't hooked up to a machine yet so I
might as well reinstall.

/Sven


2014-07-31 22:51 GMT+02:00 Leonardo Marsaglia leonardomarsagli...@gmail.com
:

 Thanks as always to the developers and users that get involved in this
 wonderful community!.

 As I always say, you're giving a great help to people, not only in the
 immediate
 future, but as the time goes by you find that you've learned a lot of
 valuable things. I don't want to be dramatic, but certainly things like
 these are the ones that change the world in the long term :).

 So a big THANKS to all of you! And I hope someday I could reach your level
 of knowledge!

 Leonado Marsaglia.




 2014-07-31 13:32 GMT-03:00 Alexandru Joni alex.j...@robcon.ro:

  That was me. Hope it's ok..
 
  Alex
 
  On July 31, 2014 4:55:30 PM EEST, Sebastian Kuzminsky s...@highlab.com
  wrote:
  
  
  On July 31, 2014 6:02:17 AM MDT, John Thornton bjt...@gmail.com
  wrote:
  Hi Seb,
  
  I think the link http://linuxcnc.org/docs/html/ should point to 2.6.0
  docs now.
  
  I just changed it.
  
  Was it you that updated the www.linuxcnc.org front page?  If so,
  thanks!
  
  
  --
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Re: [Emc-users] Little OT, but...

[Sven Wesley]

2014-03-08 19:49 GMT+01:00 Todd Zuercher zuerc...@embarqmail.com:

 Here in the Wayne/Holmes Co. part of Ohio we have a huge Amish population.
  With a whole spectrum of different kinds, Ranging from higher order Amish
 that have phones, electric and drive cars all the way to the lowest of the
 low orders of Swartzentruber Amish who won't even use SMV signs on their
 buggies,


But do they use Telnet?

/S
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Re: [Emc-users] Little OT, but...

[Sven Wesley]

2014-03-02 16:42 GMT+01:00 Michael Haberler mai...@mah.priv.at:

 
  In my other recent reply I mentioned my security concerns.  These small,
  light weight web servers just don't seem to have much security built into

 Ah, the great security debate ;) that opens a rich subject for exchange.
 You're opening a can of worms - with some pretty old existing worms, that
 is.


Yeah, it really looks like I opened a sensitive can of worms.
I seriously doubt anyone here have the expectancy to run a CNC machine on
an open network. But on the other nothing surprises me anymore.
Talking telnet down as a security issue and at the same time talk
*about*security and bring in web sockets, a Python web server and
Node.js is at
least to me really, really clashing.
I seems to me that we simply have different point of views when it comes to
security.

/Sven
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Re: [Emc-users] Little OT, but...

[Sven Wesley]

2014-03-01 21:04 GMT+01:00 Michael Haberler mai...@mah.priv.at:


 Am 01.03.2014 um 18:19 schrieb W. Martinjak mats...@play-pla.net:

  It seems the thrill of joy has gone ;)

 not for me - in fact I think it as reassuring to see we to converge on the
 same concept: Web UI interaction will happen over Websockets, and with JSON
 objects mapped to internal representation at the boundary; it is the
 approach taken by Peter Jensen with rockhopper, and  (minus websockets)
 also the approach Sergey has taken in emcweb. ...


One can also use  http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Emcrsh or
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Halrmt for remote controlling.
It's an easy thing to use telnet socket in and Android app.
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Re: [Emc-users] Little OT, but...

[Sven Wesley]

It would be pretty awesome to read the DRO data from LinuxCNC... :)


2014-02-25 15:27 GMT+01:00 Mark Wendt wendt.m...@gmail.com:

 Yeah, I thought it was a pretty slick little idea.

 Mark

 On Tue, Feb 25, 2014 at 9:20 AM, Dave Cole linuxcncro...@gmail.com
 wrote:

  Very cool!
 
  Android and the pocket computers/phones/tablets etc have such great
  potential
 
  Thanks for sharing that.
 
  Dave  -  So many ideas ... so little time.
 
 
  On 2/25/2014 8:53 AM, Mark Wendt wrote:
   A pretty neat project with an Android:
  
   http://www.yuriystoys.com/p/android-dro.html
  
   Mark
 

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Re: [Emc-users] Preferred sensors for Mesa cards, NPN or PNP?

[Sven Wesley]

2014-02-22 15:52 GMT+01:00 Peter C. Wallace p...@mesanet.com:


 for sinking inputs (like 7I70,7I76,7i77,7I84 field inputs) The best is NC
 PNP
 type. These will fail open (= limit) with short to ground or open wire
 faults

 Peter Wallace
 Mesa Electronics


Dammit, I've already ordered NPN NC, should have checked the spec PDF...
Ah well, I'll order a another set then...

/Sven
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Re: [Emc-users] Preferred sensors for Mesa cards, NPN or PNP?

[Sven Wesley]

2014-02-23 21:49 GMT+01:00 Peter C. Wallace p...@mesanet.com:


 You can use NPN Proximity switches with the 7I77 but it requires external
 pullup resistors (say 2K 1W)


 I know, but the sensors are too cheap to make a special design for the
cards that are fine with PNP's. I rather take the cost and make a simple
solution than doing workarounds. I will use the other sensors anyway, there
are always projects that needs a sensor or two.

Thanks for the input!
(He he he...)

/Sven
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[Emc-users] Preferred sensors for Mesa cards, NPN or PNP?

[Sven Wesley]

I am going to shopaholic a bunch of proximity sensors to replace mechanical
homing and limit switches for two machines with Mesa cards (5i25/7i77) and
then it struck me, what is the best option? NPN or PNP?
How do they behave if there's no power to them or if they fail? For example
a PNP NO, is it open all the time or only open if the drive circuit has
power? What I am trying to grasp is what type of switch I should use to
trust the machine even if the switch fails (broken switch no operation).

/Sven
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Re: [Emc-users] Preferred sensors for Mesa cards, NPN or PNP?

[Sven Wesley]

2014-02-22 10:27 GMT+01:00 Marius Liebenberg mar...@mastercut.co.za:

 You want to use NPN NC switches. This means that the circuit is
 energized when in normal condition. If the switch is made the circuit
 will open or if the power fails or if the wire breaks, the circuit will
 be open and hence you will detect the condition on the input.
 Oh and make sure it is the 3 wire type. The two wire type does not work
 well for our applications.
 I use the 12mm  three wire type.




Just what I needed to now, thank you!
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Re: [Emc-users] The d525 performance tweak

[Sven Wesley]

RTAI works better on some boards with the boot option isolcpus=x set in
Grub, where x is the number of processor cores minus the first one. In the
case of the d525, which has two cores, it should be isolcpus=1. On a four
core CPU this will be isolcpus=1,2,3 (specially with hyper threading
active, which doesn't make sense on an isolated two core CPU).
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?RealTime
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?The_Isolcpus_Boot_Parameter_And_GRUB2

I did it this way:
$ sudo gedit /etc/default/grub
Add the isolcpus option in the end of the line GRUB_CMDLINE_LINUX_DEFAULT
Save and exit
$ sudo update-grub
This is one of the rare cases of a needed reboot, so reboot.

You can run the command
$ cat /proc/cmdline
afterwards to make sure that it took effect. it should be included in the
output.

/Sven



2014/1/12 Marius Liebenberg mar...@mastercut.co.za

 Sven
 Can you point us to some information regarding the boot options or could
 you give some pointers as to what to do. I would like to look at some
 performance improvements as I use the D525 board a lot.

 On 2014-01-11 19:43, Sven Wesley wrote:
  You might remember that I made tests with the Atom boards and they didn't
  work as expected. Back then we came to the conclusion that different
  versions of the board where performing differently.
 
  When the European Integrator's meeting were held one off the German guys
  told me he had a lot of experience with these kind of boards and they
 truly
  behave different. But he gave me a quick tip: Use a PS/2 mouse!
  So, I just reinstalled one of them with Xubuntu and the 12.04
 installation
  and decided I should try the mouse trick. I tried both a USB and a PS/2
  mouse. Hyper threading is disabled, no boot options yet and it went from
 25
  000 to 15 000 ns. It was actually holding a pretty stable 9 000 for a
 long
  time with xeyes, downloading files, HQ youtube clip and a Vimeo video
  running at the same time. Something made it jump to 15000 and then back
  again. Graphics still lags with this setup even though Xubuntu seems much
  better.
 
  I added isolcpus=1 to the boot options and did the latency test again.
 Ran
  it twice (the movies lags like crazy) and got 11400 and 9100 ns.
 
  From 28 000 ns to 10 000. That's a difference.
 
  I'm going to run Mesa cards with these PC's so the timing isn't that
  critical any longer. It feels pretty nice though that the boards can
 behave
  a bit better than before with a very small fix.
 
  /Sven
 
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Re: [Emc-users] Pncconf does not include 5i25

[Sven Wesley]

2014/1/12 Sven Wesley svenne.d...@gmail.com

 I tried that yesterday (the update.zip with the copy script) but it
 blanked out and disabled the select boxes in Pncconf and then I went to
 bed. :)
 Couldn't the xml files be added to the source tree instead?


Found another source of the XML, in cmorley's sticky thread:
http://www.linuxcnc.org/index.php/english/forum/39-pncconf/21670-5i25-firmware-xml-files-for-pncconf#32198
With this zip file it actually worked.

/Sven
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[Emc-users] The d525 performance tweak

[Sven Wesley]

You might remember that I made tests with the Atom boards and they didn't
work as expected. Back then we came to the conclusion that different
versions of the board where performing differently.

When the European Integrator's meeting were held one off the German guys
told me he had a lot of experience with these kind of boards and they truly
behave different. But he gave me a quick tip: Use a PS/2 mouse!
So, I just reinstalled one of them with Xubuntu and the 12.04 installation
and decided I should try the mouse trick. I tried both a USB and a PS/2
mouse. Hyper threading is disabled, no boot options yet and it went from 25
000 to 15 000 ns. It was actually holding a pretty stable 9 000 for a long
time with xeyes, downloading files, HQ youtube clip and a Vimeo video
running at the same time. Something made it jump to 15000 and then back
again. Graphics still lags with this setup even though Xubuntu seems much
better.

I added isolcpus=1 to the boot options and did the latency test again. Ran
it twice (the movies lags like crazy) and got 11400 and 9100 ns.

From 28 000 ns to 10 000. That's a difference.

I'm going to run Mesa cards with these PC's so the timing isn't that
critical any longer. It feels pretty nice though that the boards can behave
a bit better than before with a very small fix.

/Sven
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[Emc-users] Pncconf does not include 5i25

[Sven Wesley]

I had a moment of brightness and decided to test Pncconf in 2.6.0 pre, and
got surprised to see that 5i25 was not selectable. How come?

On this particular machine there is only a 5i25, no extra cards, so it is
probably a simple manual config. It seems (to me at least) a bit strange to
not find the most recommended card available.

/Sven
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Re: [Emc-users] Pncconf does not include 5i25

[Sven Wesley]

I tried that yesterday (the update.zip with the copy script) but it blanked
out and disabled the select boxes in Pncconf and then I went to bed. :)
Couldn't the xml files be added to the source tree instead?
Den 12 jan 2014 02:13 skrev Pete Matos petefro...@gmail.com:

 You can download the 5i25 firmware from the LinuxCNC forum under the
 subcategory Pncconf and it is in one of the stickies in there.  Then you
 can install it into your system and run it for the 5i25.  Peace

 Pete



 On Sat, Jan 11, 2014 at 8:07 PM, Sven Wesley svenne.d...@gmail.com
 wrote:

  I had a moment of brightness and decided to test Pncconf in 2.6.0 pre,
 and
  got surprised to see that 5i25 was not selectable. How come?
 
  On this particular machine there is only a 5i25, no extra cards, so it is
  probably a simple manual config. It seems (to me at least) a bit strange
 to
  not find the most recommended card available.
 
  /Sven
 
 
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Re: [Emc-users] LinuxCNC on Ubuntu Precise 12.04 with RTAI

[Sven Wesley]

Installed Xubuntu and ran through the guide. Step four threw some errors
about bad permissions on key file, but next step worked just fine anyway.
Rebooted and got rtai kernel directly, but couldn't start latency-test
without sudo (not enough permissions for rtai module, que?!). Rebooted
after new graphic drivers and no more sudo needed. Weird, but now working
just fine.

/S



2014/1/4 Eric Keller eekel...@psu.edu

 On Sat, Jan 4, 2014 at 11:59 AM, Moses McKnight mo...@texband.net wrote:
  I can't tell if you figured out how to change the boot order or not, but
  just in case and for anyone else with this issue, here is a link which
  will tell you several ways of doing this.
 
 
 http://askubuntu.com/questions/100232/how-do-i-change-the-grub-boot-order

 I was fooling around with the config files for a couple of changes,
 but I gave in and installed the program that's recommended at that
 link.  It is pretty nice and allows you to change other grub defaults
 like showing the menu every time.  I never had any problem with my
 manual edits, but the program works well.  There are 3 places you
 could make changes including the inscrutable /etc/grub.d  I think
 grub.d probably is the place to make changes, but I haven't figured it
 out yet.


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[Emc-users] OT (very much indeed): German titles

[Sven Wesley]

Um meine deutschen Freunde...

My wife is a doctor in medicine. That makes her Dr. Wesley.
I've heard, that if I am in Germany I would then be Frau Dr. Wesley.
Is this just a funny rumor or is it actually correct?

/Sven
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Re: [Emc-users] OT (very much indeed): German titles

[Sven Wesley]

2013/11/18 Michael Haberler mai...@mah.priv.at


 Am 18.11.2013 um 14:47 schrieb Sven Wesley svenne.d...@gmail.com:

  Um meine deutschen Freunde...
 
  My wife is a doctor in medicine. That makes her Dr. Wesley.
  I've heard, that if I am in Germany I would then be Frau Dr. Wesley.
  Is this just a funny rumor or is it actually correct?

 pretty close.

 Your might inherit your wife's title; but your gender will remain - you
 might wind up as Herr Doktor Wesley.

 This does happen - even in my family, so there's something to it.

 My brother did a master in pharmacy, but was married to a doctor of
 medicine. He did acquire the Herr Doktor as far as our employees go;
 nevermind he 'did his PhD thesis at the altar'.

 I actually did a PhD thesis and hence didnt acquire my doctorate by
 osmosis as he did; nevertheless - being a bit more on the communicative
 side - I go as Herr Michael. It's pointless to hint at the little
 difference - that title sticks with my brother.

 - Michael


Thanks Michael.
I got a mail from Joachim Franek as well and he wrote that it isn't the
case any longer, I'm Herr Wesley and my wife is Frau Dr. Wesley. It would
have been funny though, to go to Germany and title myself Frau to everyone.
:D

/S
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Re: [Emc-users] Way to control 6 axis robot, jerk limitation. Araisrobo?

[Sven Wesley]

2013/11/8 Viesturs Lācis viesturs.la...@gmail.com

 2013/11/8 Marius Alksnys marius.alks...@gmail.com

  Sven, how can I find him? Do you have his e-mail?
   Sebastian (in Stuttgart) addressed some kinematic problems as well,
 like
   the Gimbal lock. I don't know if he proceeded to fix that himself.
 You
   should e-mail him and ask.
  
   /Sven
 

 Any chance that Sven actually meant Christian? He was demonstrating that
 error and freezing LinuxCNC, when the arm was stretched out and explained
 about the gymbal lock concept.

 --
 Viesturs



Eeeeh... Yes.
Too many Christian's and Sebastian's in my phone book and they all are
German. :)
Of course I meant Christian. Thanks for the correction.

/S
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Re: [Emc-users] USB Camera for edge finder?

[Sven Wesley]

2013/11/8 Russell Brown russ...@lls.lls.com


 Quoth Russell Brown. (yes it's bad form following up my own post.
 Sorry)
 
 But quite what you do with convert_crop.so once it's copied to
 /usr/lib/camunits I don't know.

 Aha!  You stick it in the chain directly after the V4l2 bit and in
 camview (the standalone utility) you can move the slider to crop the
 image (or edit the ratio in camviewcfg) and everything after that in the
 chain seems to operate on the cropped image.  Works for me anyway.

 Playing with the cropping looks very hopeful.
 ..



Dammit people! Get your stuff together and write a tutorial. The Wiki is
free of charge! ;)

/S
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Re: [Emc-users] Way to control 6 axis robot, jerk limitation. Araisrobo?

[Sven Wesley]

2013/11/6 Marius Alksnys marius.alks...@gmail.com

 I am using master branch.

 On 11/05/2013 11:29 PM, Sebastian Kuzminsky wrote:
  What branch are you using?  I believe the joints_axes4 branch may have
  some of these issues fixed.


Sebastian (in Stuttgart) addressed some kinematic problems as well, like
the Gimbal lock. I don't know if he proceeded to fix that himself. You
should e-mail him and ask.

/Sven
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Re: [Emc-users] Touchy with 1024x600 resolution display?

[Sven Wesley]

 On 10/29/2013 1:39 PM, Thomas Kaiser wrote:
  On 10/29/2013 01:33 AM, andy pugh wrote:
  On 28 October 2013 22:59, Thomas Kaiser c...@kaiser-linux.li wrote:
 
  Touchy is too big for this screen! (LinuxCNC 2.5.3 on Ubuntu 10.04.4
 LTS)
  IIRC the trick is to fiddle with the font DPI until the width works
  System-Preferences-Appearance-Fonts-Details-Reolution
  Then in Touchy play with the font sizes to fit.
  http://imagebin.org/275087
  Is 1080 x 595 (as I got bored of adjusting the VM screen size)
 
  Hello Andy
 
  Thank you for this tip. I could manage to get Touchy fit to the screen.
  But, I think this is not the correct methode to get Touchy fit to the
  screens resolution.
 
  Anyway, thanks again.
 
  Thomas
 



Have you considered Gmoccapy?

/Sven
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Re: [Emc-users] Unsubscribe from EMC Listserve

[Sven Wesley]

2013/10/28 seth wiley sethwi...@gmail.com

 To Whom It May Concern,

 Please UNSUBSCRIBE me from the EMC Listserve.

 My email is sethwi...@gmail.com

 Thank you kindly.


It's a kind of self service:
https://lists.sourceforge.net/lists/listinfo/emc-users

Regards,
Sven
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[Emc-users] User space components not working in 2.6-pre

[Sven Wesley]

Guys,

I wrote a user space python component simulating my tool changer, it works
like expected in 2.5 but it doesn't start in 2.6-pre. Actually LinuxCNC
doesn't start at all. I have tested this in SIM mode with both Axis and
Gmoccapy. In 2.5 it works fine with the Axis config.

This behaviour can be reproduced with the user space example from the
documentation.
http://www.linuxcnc.org/docs/devel/html/hal/halmodule.html

Copy it into a text file, make it executable and add it in a HAL file with
  loadusr -W /path/to/your/test/file
This example also works fine in 2.5

When LinuxCNC starts the component isn't treated as ready and the output is
  Waiting for component [your_comp] to become ready.
You can now joyfully watch the number of dots increase.

Is it a defect or are there changes in user space treatment in 2.6?

/Sven
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Re: [Emc-users] User space components not working in 2.6-pre

[Sven Wesley]

2013/10/26 Schooner schoone...@tiscali.co.uk

 Hi

 Sorry can't replicate that

 Component loads via halcmd and from hal file

 halcmd: loadusr -W passthrough
 halcmd: show all
 Loaded HAL Components:
 ID  Type  Name  PID   State
   4  User  passthrough4028 ready
   2  User  halcmd4027 4027 ready

 Component Pins:
 Owner   Type  Dir Value  NameEpsilonFlags
   4  float IN  0  passthrough.in0.000
   4  float OUT 0  passthrough.out0.000

 I can only suggest doing a new clone of the master and seeing if that
 cures it.

 regards



I rebuilt my workspace and now it works. Some file was broken probably.
Thanks for your help guys.
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Re: [Emc-users] Another Mill Conversion.

[Sven Wesley]

2013/10/25 Jon Elson el...@pico-systems.com

 Dave Cole wrote:
  I noticed on Intels website that the new Atom chipsets that are
  replacing the Cedarview chipsets do not support hyperthreading.
 
 Hyperthreading was a really dumb way to get around some MicroSoft OS's
 really BAD task scheduler.  it would let one process monopolize the system
 badly.  Hyperthreading was pretty easy to do, mostly add an extra register
 set, but it had a lot of bad side effects, like twice the instructions
 stream
 loading the cache, and diluting the cache benefits for a single
 process.  MUCH
 better to let a single process run for a few ms and then task switch.
 Hyperthreading
 just splits the one CPU in half, so to speak.

 Now, of course, everything is going to multiple REAL CPUs (rather than
 virtual CPUs by hyperthreading) but the cache sizes are becoming huge.
 memory buses are also getting faster.

 Jon



Another thing that increases performance is to not use the closed source
graphics drivers, they causes really bad hick ups.

/S
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