Re: [Emc-users] Still puzzling over encoder

2012-12-13 Thread Gene Heskett
On Thursday 13 December 2012 09:06:32 dave did opine: On Wed, 2012-12-12 at 23:49 -0500, Gene Heskett wrote: On Wednesday 12 December 2012 23:43:37 dave did opine: On Wed, 2012-12-12 at 23:17 -0500, Gene Heskett wrote: On Wednesday 12 December 2012 23:11:14 dave did opine: On Wed,

Re: [Emc-users] What current ITX board?

2012-12-13 Thread Peter Blodow
Gene, I had a thing like this a couple weeks ago with one of my office computers. To make a long story short, the power supply capacitor was preparing to blow its top which, apparently, caused ripple on the 5 V supply line which was litterally counted by some chip on the mobo. The breakdowns

Re: [Emc-users] Still puzzling over encoder

2012-12-13 Thread andy pugh
On 13 December 2012 03:39, Gene Heskett ghesk...@wdtv.com wrote: Another thing is (and I don't believe its related to the real problem here) that if I slow the pwmgen's prr below about 1350 hz, the encoders velocity output gets quite noisy, both in the signal and to my ears, its hunting like

[Emc-users] linear scales Heidenhain

2012-12-13 Thread jean-paul coninx
Dear emc users,   I am an owner from a maho mhc 700c with a heidenhain tnc 135 controller. The controller doesn t work any more. I have read something about retrofitting. The most people use the Mesa cards in combination with Linuxcnc. For already a few years (no time like everyone) I a

Re: [Emc-users] linear scales Heidenhain

2012-12-13 Thread Viesturs Lācis
2012/12/13 jean-paul coninx jp@hotmail.com: Dear emc users, I am an owner from a maho mhc 700c with a heidenhain tnc 135 controller. The controller doesn t work any more. I have read something about retrofitting. The most people use the Mesa cards in combination with Linuxcnc. For

Re: [Emc-users] linear scales Heidenhain

2012-12-13 Thread andy pugh
On 13 December 2012 17:39, jean-paul coninx jp@hotmail.com wrote: I am an owner from a maho mhc 700c with a heidenhain tnc 135 controller. The controller doesn t work any more. I have read something about retrofitting. The most people use the Mesa cards in combination with Linuxcnc. For

[Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread Viesturs Lācis
Hello! Is there any chance that somebody might have translated LinuxCNC documentation to russian language? I am particularly looking for basic introductions, Getting started guide, because I am now installing a machine at client's site and wanted to give the operator some reading to get familiar

Re: [Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread Sebastian Kuzminsky
On 12/13/12 11:35 , Viesturs Lācis wrote: Is there any chance that somebody might have translated LinuxCNC documentation to russian language? We do not have an official Russian translation of our docs, unfortunately, and I don't know of any unofficial translations floating around. Patches are

Re: [Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread andy pugh
On 13 December 2012 18:35, Viesturs Lācis viesturs.la...@gmail.com wrote: Is there any chance that somebody might have translated LinuxCNC documentation to russian language? You don't fancy doing the Latvian translation then? Actually, in all seriousness, translating the _software_ into

Re: [Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread Andrew
2012/12/13 Viesturs Lācis viesturs.la...@gmail.comhttps://mail.google.com/mail/u/0/?view=cmfs=1tf=1to=viesturs.la...@gmail.com Hello! Is there any chance that somebody might have translated LinuxCNC documentation to russian language? I am particularly looking for basic introductions,

Re: [Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread Viesturs Lācis
2012/12/13 andy pugh bodge...@gmail.com: On 13 December 2012 18:35, Viesturs Lācis viesturs.la...@gmail.com wrote: Is there any chance that somebody might have translated LinuxCNC documentation to russian language? You don't fancy doing the Latvian translation then? Actually, in all

Re: [Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread Sebastian Kuzminsky
On 12/13/12 12:29 , Viesturs Lācis wrote: 2012/12/13 andy pugh bodge...@gmail.com: http://git.linuxcnc.org/gitweb?p=linuxcnc.git;a=tree;f=src/po;h=b8792851093add9da9cdae22f094c4875514efb0;hb=HEAD Thanks for the link, now I understand, what it takes to add another language to LinuxCNC. Just

Re: [Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread Viesturs Lācis
2012/12/13 Sebastian Kuzminsky s...@highlab.com: Translating LinuxCNC is definitely not a weekend project. It's an ongoing effort to keep the translation up-to-date, LinuxCNC is a moving target as the user-visible messages and the English documentation changes. BTW can I change the language

Re: [Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread Kent A. Reed
On 12/13/2012 2:29 PM, Viesturs Lācis wrote: 2012/12/13 andy pugh bodge...@gmail.com: On 13 December 2012 18:35, Viesturs Lācis viesturs.la...@gmail.com wrote: Is there any chance that somebody might have translated LinuxCNC documentation to russian language? You don't fancy doing the

Re: [Emc-users] linear scales Heidenhain

2012-12-13 Thread jean-paul coninx
Hello Andy, Thanks for your reply. I will look for the other Mesa cards and try to discover the differences.. i will keep un touch Regards j^p From: bodge...@gmail.com Date: Thu, 13 Dec 2012 18:13:53 + To: emc-users@lists.sourceforge.net Subject: Re: [Emc-users] linear

Re: [Emc-users] linear scales Heidenhain

2012-12-13 Thread jean-paul coninx
Dear Viesturs, Thanks for your reply. I m sure that these linear scales from Heidenhain in combination with a Heidenhain controller have a analog output. I also know that some of the Maho mills (from few year later) have a Philips 432 controller. Maybe the glass scales in combination with

[Emc-users] FW: linear scales Heidenhain

2012-12-13 Thread jean-paul coninx
From: jp@hotmail.com To: emc-users@lists.sourceforge.net Date: Thu, 13 Dec 2012 20:58:11 +0100 Subject: Re: [Emc-users] linear scales Heidenhain Hello Andy, Thanks for your reply. I will look for the other Mesa cards and try to discover the differences.. i will keep un

Re: [Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread Sebastian Kuzminsky
On 12/13/12 15:11 , John Thornton wrote: Actually there is no translated docs in German or Polish and only a few chapters have been translated to Spanish. Has nothing at all been translated to German and Polish?! If so we should drop them! -- Sebastian Kuzminsky

Re: [Emc-users] Ballnuts

2012-12-13 Thread Dave
I like #1 also. Use Locktite on the threads? #2 has to much cantelever on the bearing. #3 isn't bad but looks more complex at first glance and the bearing appears to not be nearly as beefy, however it might be more than adequate. Looks like you are making an actuator of sorts. I could use a

Re: [Emc-users] Ballnuts

2012-12-13 Thread andy pugh
On 13 December 2012 22:38, Dave e...@dc9.tzo.com wrote: #3 isn't bad but looks more complex at first glance and the bearing appears to not be nearly as beefy, It also isn't held in very well, and I am struggling to think of a way to fix that. Looks like you are making an actuator of sorts.

Re: [Emc-users] Ballnuts

2012-12-13 Thread Andrew
2012/12/14 andy pugh bodge...@gmail.com I have designed three alternatives. They all use bearings that I know I can get, rather than bizarre exotica. The first idea is: https://picasaweb.google.com/lh/photo/EqgIdXH-kCH8I90oYKfm2dMTjNZETYmyPJy0liipFm0?feat=directlink This actually uses a car

Re: [Emc-users] Ballnuts

2012-12-13 Thread andy pugh
On 13 December 2012 22:56, Andrew parallel.kinemat...@gmail.com wrote: I had to cut the timing pulley on the hollow shaft, and consider many other limitations to keep it small as a part of a joint. That would probably help in my case too, but how did you get the correct tooth profile? ( want a

Re: [Emc-users] Ballnuts

2012-12-13 Thread Kent A. Reed
On 12/13/2012 5:52 PM, andy pugh wrote: On 13 December 2012 22:38, Dave e...@dc9.tzo.com wrote: #3 isn't bad but looks more complex at first glance and the bearing appears to not be nearly as beefy, It also isn't held in very well, and I am struggling to think of a way to fix that. Looks

Re: [Emc-users] Ballnuts

2012-12-13 Thread andy pugh
On 13 December 2012 23:13, Kent A. Reed kentallanr...@gmail.com wrote: So where does it go? I'm having trouble visualizing how to introduce this drive scheme without reducing the amount of available travel of the bed (I assume this is a retrofit). You are right, it is 28mm thick, and the

[Emc-users] OT - recent Dilbert cartoons

2012-12-13 Thread Kent A. Reed
Gentle persons: I hate to go so far off topic, but what the heck, it seems to be a slow news day. If you haven't been following the Dilbert comic strip lately as Scott Adams explores the absurdities of modern management, then you've been passing up good opportunities to be amused.

Re: [Emc-users] OT - recent Dilbert cartoons

2012-12-13 Thread Kent A. Reed
On 12/13/2012 6:36 PM, Pete Matos wrote: Kent, While I am always ready to read a good comic, I gotta say that I did not find any of them funny at all. Perhaps it is because I have been on the receiving end of that kind of mentality before. The one where the fellow was laid off and

Re: [Emc-users] Ballnuts

2012-12-13 Thread Dave
Make the bearing larger, make the pulley larger and use long bolts through the ball screw flange to clamp everything together inside the ID of the bearing? On 12/13/2012 5:52 PM, andy pugh wrote: On 13 December 2012 22:38, Davee...@dc9.tzo.com wrote: #3 isn't bad but looks more complex

Re: [Emc-users] Ballnuts

2012-12-13 Thread andy pugh
On 13 December 2012 23:39, Andrew parallel.kinemat...@gmail.com wrote: The belt profile is rather simple HTD 5M. It was cut with nearly round shaped fly cutter, then some fillets made on sharp edges of teeth. Ah, I am typically using T5 belts, which are squarer. -- atp If you can't fix it,

Re: [Emc-users] Ballnuts

2012-12-13 Thread Andrew
On Dec 14, 2012 1:39 AM, Andrew parallel.kinemat...@gmail.com wrote: For 4:1 I'd better put larger timing pulley with taper bush on that hollow shaft, just next to the nuts. Also I'd turn the motor tail to the left, and make the hollow shaft a bit shorter if needed. Also, if the timing pulley

Re: [Emc-users] Ballnuts

2012-12-13 Thread andy pugh
On 14 December 2012 00:06, Dave e...@dc9.tzo.com wrote: Make the bearing larger, make the pulley larger and use long bolts through the ball screw flange to clamp everything together inside the ID of the bearing? It is rather a tight fit under the table, between the ways. The problem is

Re: [Emc-users] Ballnuts

2012-12-13 Thread andy pugh
On 14 December 2012 00:21, andy pugh bodge...@gmail.com wrote: It is rather a tight fit under the table, between the ways. https://picasaweb.google.com/lh/photo/7PPw4pWFfZy_jHDMq_KbmdMTjNZETYmyPJy0liipFm0?feat=directlink The servo is slightly fatter than the gap under the square slide, or it

Re: [Emc-users] What current ITX board?

2012-12-13 Thread Gene Heskett
On Thursday 13 December 2012 20:08:38 Peter Blodow did opine: Gene, I had a thing like this a couple weeks ago with one of my office computers. To make a long story short, the power supply capacitor was preparing to blow its top which, apparently, caused ripple on the 5 V supply line which

Re: [Emc-users] Ballnuts

2012-12-13 Thread Dave
On 12/13/2012 7:36 PM, andy pugh wrote: Despite appearances, this isn't a lot more complex than a spinning-screw True, but you could probably buy the screw support thrust bearing off the shelf, if you wanted to do that. Dave

Re: [Emc-users] LinuxCNC documentation in russian

2012-12-13 Thread Jon Elson
Sebastian Kuzminsky wrote: On 12/13/12 11:35 , Viesturs Lācis wrote: Is there any chance that somebody might have translated LinuxCNC documentation to russian language? We do not have an official Russian translation of our docs, unfortunately, and I don't know of any unofficial

Re: [Emc-users] Ballnuts

2012-12-13 Thread Przemek Klosowski
On Thu, Dec 13, 2012 at 5:11 PM, andy pugh bodge...@gmail.com wrote: The first idea is: https://picasaweb.google.com/lh/photo/EqgIdXH-kCH8I90oYKfm2dMTjNZETYmyPJy0liipFm0?feat=directlink This actually uses a car wheel bearing, which is angular-contact and has adjustable preload. The preload

[Emc-users] Thoughts on an electronic fuse

2012-12-13 Thread Gene Heskett
Greetings all; The thought has occurred to me that an alternative to using the iffy, and because the pid.error is subject to slight variations due to non- linearities of speeds, making any comp type trip off have a best guess as to when to activate, seems like a SWAG at best. So, how about a

Re: [Emc-users] Thoughts on an electronic fuse

2012-12-13 Thread Tim James
Google Allegro ACS712 Current Sense IC, this would do what you want. Sent from my BlackBerry® wireless device -Original Message- From: Gene Heskett ghesk...@wdtv.com Date: Fri, 14 Dec 2012 01:34:37 To: Enhanced Machine Controller (EMC)emc-users@lists.sourceforge.net Reply-To: Enhanced