Re: [Emc-users] Who is Paul_c and why is he being tolerated at all?

2008-05-23 Thread Jon Elson
Organic Engines wrote: > Paul_c, > > Is a Troll. > > Go home Paul_c. > > You're taking up bandwidth and wasting peoples time. Well, there is a lot of history there. Paul Corner is the developer of the BDI, which was the first way for non Linux gurus to install EMC and get it running in

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread Jon Elson
John Kasunich wrote: > Kenneth Lerman wrote: > >>A simple solution is to use a dual drive. >> >>Use a course mechanism with long travel for course positioning and a >>fine mechanism with limited travel for fine positioning. The fine >>mechanism has a large mechanical advantage and can use a smal

Re: [Emc-users] Who is Paul_c

2008-05-23 Thread leslie watts
Paul C. is a really realy really smart guy. You would do well to listen to what he says. ohHi Paul. Ha Ha! Leslie M.Watts L M Watts Technology Tiger Georgia (706) 212-0242 Main page: http://www.lmwatts.com Engineering: http://www.lmwatts.com/shop.html Cnc surplus for sale: http://www.lmwatt

Re: [Emc-users] Who is Paul_c

2008-05-23 Thread paul_c
On Friday 23 May 2008, Stephen Wille Padnos wrote: > 1) He was instrumental in getting EMC to where it is today. Perhaps, but then there are other people that deserve credit. Stallman, Torvalds, Mantegazza, Yodakin, not forgetting Proctor, Shackleford, Kramer, and countless others (oh, and Bill

Re: [Emc-users] Still Crashing (the party)

2008-05-23 Thread Stuart Stevenson
Gentlemen, I like Alex Joni's idea. This forum should be for the discussion of "EMC2" USER interest. The discussion of the finer points of coding should be relegated to a forum concerning the finer points of coding, ad nauseam. Why should time and energy be spent hashing and rehashing old juv

Re: [Emc-users] Who is Paul_c and why is he being tolerated at all?

2008-05-23 Thread Stephen Wille Padnos
I think he's tolerated for two reasons: 1) He was instrumental in getting EMC to where it is today. 2) Even through all the trolling, there are some grains of useful information. (kind of like the idea that legends have some basis in fact) It would be nice if he'd start contributing (again) ins

[Emc-users] Who is Paul_c and why is he being tolerated at all?

2008-05-23 Thread Organic Engines
Paul_c, Is a Troll. Go home Paul_c. You're taking up bandwidth and wasting peoples time. Dan - This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com

Re: [Emc-users] Still Crashing

2008-05-23 Thread Ray Henry
On Fri, 2008-05-23 at 20:30 +0100, paul_c wrote: > > Chris Morley for classicladder. > > Patches for CL are sent to Marc Le Douarain where they benefit a wider > audience. As you will remember, we (You and I) forked the ClassicLadder project into the BDI so that we could begin making the changes

Re: [Emc-users] Still Crashing

2008-05-23 Thread Ray Henry
On Fri, 2008-05-23 at 20:30 +0100, paul_c wrote: > Only 24 out of 64 Sourceforge registered names. I'd have thought you'd have registered your dismay by putting a ! at the end of that sentence. You and I know that many of those names were included in the sourceforge developer list because they w

Re: [Emc-users] Still Crashing

2008-05-23 Thread paul_c
On Friday 23 May 2008, Alex Joni wrote: > If you care about development or development related issues use the > emc-developers mailing list. I have seen some of these guys, even in the same room, huddled over a keyboard or engaged in some trivial discussion whilst a guest speaker is giving a pr

Re: [Emc-users] Still Crashing

2008-05-23 Thread Chris Radek
On Fri, May 23, 2008 at 08:30:59PM +0100, paul_c wrote: > > As if anything that has gone before has gone through a review process or > comments & suggestions acted on. i.e.: Well, there is a democratic process that gives the users the power to decide who gets to determine the direction of the EM

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread Peter C. Wallace
On Fri, 23 May 2008, Ray Henry wrote: > Date: Fri, 23 May 2008 14:39:09 -0500 > From: Ray Henry <[EMAIL PROTECTED]> > Reply-To: "Enhanced Machine Controller (EMC)" > > To: "Enhanced Machine Controller (EMC)" > Subject: Re: [Emc-users] Harmonic gear and EMC2. > > > Good thinking Ken. T

Re: [Emc-users] Still Crashing

2008-05-23 Thread Ray Henry
On Fri, 2008-05-23 at 20:40 +0100, paul_c wrote: > On Wednesday 21 May 2008, Ray Henry wrote: > > I don't have ordinary traceroute installed but there is a "Network > > Tools" under the System -> Administration that lets me run quite a > > number of these sorts of tools. > > Switching to a console

Re: [Emc-users] Still Crashing

2008-05-23 Thread Alex Joni
Please keep this list for discussing the usage of EMC/emc2 (and general machining topics from time to time). If you care about development or development related issues use the emc-developers mailing list. Regards, Alex On Fri, 2008-05-23 at 20:30 +0100, paul_c wrote:

Re: [Emc-users] Still Crashing

2008-05-23 Thread paul_c
On Wednesday 21 May 2008, Ray Henry wrote: > I don't have ordinary traceroute installed but there is a "Network > Tools" under the System -> Administration that lets me run quite a > number of these sorts of tools. Switching to a console and running diagnostics from a command line is much easier.

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread Ray Henry
Good thinking Ken. Till built a dual drive sort of thing several years ago to test some special kinematics. http://www.audiflitzer.de/mixer.html HTH Rayh On Fri, 2008-05-23 at 14:57 -0400, Kenneth Lerman wrote: > A simple solution is to use a dual drive. > > Use a course mechanism with lon

Re: [Emc-users] Still Crashing

2008-05-23 Thread John Kasunich
paul_c wrote: (snip most of the rant) >> You also have the option of providing your public SSH key to Chris, so >> you can get developer access yourself. > > If anonymous access doesn't work, please explain how sending a "key" will fix > it. You seem to be the only one who is unable to connect

Re: [Emc-users] Still Crashing

2008-05-23 Thread paul_c
On Thursday 22 May 2008, Stephen Wille Padnos wrote: > I don't have the full list at the moment, and it's unnecessary. You mean to say you have no idea who has access - As a supposed project admin & "board member", that is a very sad state of affairs... But thanks to Chris, we now know. Only 24

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread John Kasunich
Kenneth Lerman wrote: > A simple solution is to use a dual drive. > > Use a course mechanism with long travel for course positioning and a > fine mechanism with limited travel for fine positioning. The fine > mechanism has a large mechanical advantage and can use a smaller motor > and driver. O

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread Kenneth Lerman
A simple solution is to use a dual drive. Use a course mechanism with long travel for course positioning and a fine mechanism with limited travel for fine positioning. The fine mechanism has a large mechanical advantage and can use a smaller motor and driver. Of course, some sort of clutch mech

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread amtb
travel at feed 0.001 will be geometry of 1 inch end mill, with length of end mill 4 inch. 0.001 /min it is cutting feed only. rapid to new position will be much faster. > It is my understanding that in a grinding machine: > > 1 -- Cutting forces are low. > > 2 -- Backlash is generally not importa

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread Dave Engvall
OT - but look at the specs on this one. http://www.physikinstrumente.com/en/products/prdetail.php?sortnr=700800 Also it the velocity range 0.001/min - 0.00025/min or really 0.001/m - 0.0025/min? Dave On May 23, 2008, at 5:13 AM, [EMAIL PROTECTED] wrote: > all grinders have linear incoder an

Re: [Emc-users] ax5214h troubles

2008-05-23 Thread Jeff Epler
On Wed, Sep 26, 2007 at 06:30:20AM -0500, [EMAIL PROTECTED] wrote: > My ongoing troubles with using the ax5214h driver with an Acess DIO-48 card > may be of assistance to some others. Dave, I owe you an apology. I told you that the fix for this problem would be in emc 2.2, but then I never commi

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread Kenneth Lerman
It is my understanding that in a grinding machine: 1 -- Cutting forces are low. 2 -- Backlash is generally not important. 3 -- Smoothness of motion is very important. I would suggest that before you worry about how to drive the components in slow motion, you should tell us how you plan to driv

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread Andre' Blanchard
I think you should consider building a simple test slide, with guides, ball screw, servo, and a simple timing belt and pulley reduction. That way you can try different reduction ratios and encoder resolutions and measure the speeds you can get and how smooth the motion is. I think you will find

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread amtb
look design of harmonic derive. it is compact and small. you do not want to have huge gear reduction box on the machines. space are limited too. > Is there some reason why simple worm and wheel drives won't work here - > even two or three stages with backlash adjusted out? > > Ian > --

Re: [Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread amtb
all grinders have linear incoder and all feed back comes to computer not from revolution of ball screw but from actual move of the table. in that case the accuracy of ball screw can not make table move faster or slover. grinder usually program with 0.001-0.003 per minute when grind ceramics. > Ara

[Emc-users] Harmonic gear and EMC2. ????

2008-05-23 Thread Ian W. Wright
Is there some reason why simple worm and wheel drives won't work here - even two or three stages with backlash adjusted out? Ian Ian W. Wright Sheffield UK - This SF.net email is sponsored by: Microsof