Re: [Emc-users] 2.3.3

2009-10-26 Thread Andy Pugh
2009/10/25 Gene Heskett gene.hesk...@gmail.com: the Y screw in particular is howling up a storm. Is it perfectly straight? I am wondering if it slender enough to be whipping? -- atp -- Come build with us! The

Re: [Emc-users] 2.3.3

2009-10-26 Thread Dave
I have a customer who processes foam and the foam dust is corrosive. They process the foam with saws in several locations in the plant and they have become masters at using air blowoff and air pressurization to keep the dust out of the machinery. I'd consider putting a small blower in the

Re: [Emc-users] 2.3.3

2009-10-26 Thread Chris Epicier
Dear Steve I use an X1 style machine for my show demo unit. One thing that helped an amazing amount at higher speeds was adding an outboard support to the lead screw. I cannot take credit for the idea, because frankly, I did not originally think it would help much. We have several guys in

Re: [Emc-users] 2.3.3

2009-10-26 Thread Jon Elson
Steve Stallings wrote: My guess is that the screw vibrates in the clearance in the nut and anchoring the outboard end significantly reduced the ability of the screw to move off axis as it vibrated. Oh, wow! This sounds like an equivalent of bearing whirl, where the journal starts rolling

[Emc-users] Comp problem

2009-10-26 Thread Leonardo Marsaglia
Hello everybody, i'm trying to use comp (i've already compiled a kernel module with comp) but i can't make it work. It says that the comp command is not recognized as a bash command, and may be the program comp is in the nmh or mailutils-mh package, i installed the packages but i still can't make

Re: [Emc-users] 2.3.3 - mini-mill screw support

2009-10-26 Thread Steve Stallings
The machine is loaned out at the moment, and I don't have any pictures. The leadscrew was extended by drilling and boring a hole in the end, and then pressing in the turned down end of the extension. The other end of the extension was turned down to fit a single standard bearing, not a preloaded

[Emc-users] G68 coordinate system rotations (apparently it's been implemented?!?!)

2009-10-26 Thread Colin MacKenzie
According to this recent page... http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?action=browsediff=3id=EmcFeatures ...G68 has been implemented. However, I have 2.3.3 installed and it says unknown gcode. I've been looking forward to this gcode for a long time. I would use it to easily correct any

Re: [Emc-users] G68 coordinate system rotations (apparently it's been implemented?!?!)

2009-10-26 Thread sam sokolik
I do not know where you get the g68 code but coordinate rotation is implemented in the development version of emc2. -This is done using g10. Direction for getting it here http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Installing_EMC2#On_Ubuntu_6_06_or_8_04_from_source definition here

Re: [Emc-users] 2.3.3

2009-10-26 Thread Jack
On another list, I have seen suggestion to use motorcycle chain grease if grease is insisted on. Mainly because it does not collect the fine dust particles like regular grease does. It is designed for use in a very 'dirty' environment.

Re: [Emc-users] 2.3.3 - mini-mill screw support

2009-10-26 Thread John Kasunich
On Mon, 26 Oct 2009 13:01 -0500, Steve Stallings steve...@newsguy.com wrote: The machine is loaned out at the moment, and I don't have any pictures. The leadscrew was extended by drilling and boring a hole in the end, and then pressing in the turned down end of the extension. The other end

Re: [Emc-users] 2.3.3

2009-10-26 Thread Gene Heskett
On Monday 26 October 2009, Andy Pugh wrote: 2009/10/25 Gene Heskett gene.hesk...@gmail.com: the Y screw in particular is howling up a storm. Is it perfectly straight? I am wondering if it slender enough to be whipping? 1/2 inch, and I've had it out, looks straight. Can't see any wobble when

Re: [Emc-users] 2.3.3 - mini-mill screw support

2009-10-26 Thread Gene Heskett
On Monday 26 October 2009, John Kasunich wrote: On Mon, 26 Oct 2009 13:01 -0500, Steve Stallings steve...@newsguy.com wrote: The machine is loaned out at the moment, and I don't have any pictures. The leadscrew was extended by drilling and boring a hole in the end, and then pressing in the

Re: [Emc-users] 2.3.3

2009-10-26 Thread Hubert Bahr
Gene From the drift in this thread it sounds like you have an X2 using stock screws. In my case I abandoned the stock screws and went with lower cost rolled ball screws. I decided the X2 wasn't rigid enough to justify precision screws. Of course at 5 tpi I get plenty of longitudinal

Re: [Emc-users] 2.3.3

2009-10-26 Thread Gene Heskett
On Monday 26 October 2009, Hubert Bahr wrote: Gene From the drift in this thread it sounds like you have an X2 using stock screws. In my case I abandoned the stock screws and went with lower cost rolled ball screws. I decided the X2 wasn't rigid enough to justify precision screws. Of course

[Emc-users] EMC at NAMES, 2010

2009-10-26 Thread Dale Grover
This spring a few folks put together a booth at the North American Model Engineering Expo in Toledo, Ohio. We had a 10' x 10' booth with two 8' tables, an Emco F1 CNC machine running EMC (mostly cutting wax and/or air), and some great, large-format photos of various machines that run EMC.

Re: [Emc-users] EMC at NAMES, 2010

2009-10-26 Thread Steve Stallings
Dale, PMDX would certainly be interested in coordinating booths with any EMC related presence at NAMES. We had a choice site at the last show, but due to the move, all bets are off. The sooner we can ask for a group placement, the better. Steve Stallings -Original Message- From: Dale

Re: [Emc-users] 2.3.3

2009-10-26 Thread Gene Heskett
On Monday 26 October 2009, Hubert Bahr wrote: Gene I was dissatisfied with both the speed and the backlash so I abandoned the stock screw and went to the ballscrew. I now arbitrarily set the max speed at 80 per minute. During this change I upgraded to the G540 drives as well. I haven't

[Emc-users] Hobby users near Nashville TN?

2009-10-26 Thread Jack
Are there other EMC2 users near Nashville TN, especially avocational users? ... Jack -- Come build with us! The BlackBerry(R) Developer Conference in SF, CA is the only developer event you need to attend this year.

Re: [Emc-users] EMC at NAMES, 2010

2009-10-26 Thread Jon Elson
Steve Stallings wrote: Dale, PMDX would certainly be interested in coordinating booths with any EMC related presence at NAMES. We had a choice site at the last show, but due to the move, all bets are off. The sooner we can ask for a group placement, the better. Yeah, I'm still trying to

Re: [Emc-users] EMC at NAMES, 2010

2009-10-26 Thread Dave
Any idea why they moved it to Southgate? I thought the Seagate center was pretty nice. Dave Jon Elson wrote: Steve Stallings wrote: Dale, PMDX would certainly be interested in coordinating booths with any EMC related presence at NAMES. We had a choice site at the last show, but due

Re: [Emc-users] 2.3.3

2009-10-26 Thread Gene Heskett
On Monday 26 October 2009, Andy Pugh wrote: 2009/10/27 Gene Heskett gene.hesk...@gmail.com: So where does one get ball screws cheap enough to use on an X1 upgrade? Depends how cheap is cheap enough. eBay is one source, I got my 8mm Y-axis from there. I got the others from here:

[Emc-users] Hobby users near Nashville TN?

2009-10-26 Thread Cecil Thomas
Jack, I'm in Lenoir City, TN. Within a Stone's throw of the I-40 / I-75 Junction southwest of Knoxville. I am using EMC2 to run a 10 mm Derbyshire instrument lathe and a Millrite vertical Mill with xyz and a axes. Not exactly near Nashville but I have been there a few times. Cecil

Re: [Emc-users] Comp problem

2009-10-26 Thread Leonardo Marsaglia
Thank you very much kirk, i downloaded the package and worked. 2009/10/26 Kirk Wallace kwall...@wallacecompany.com On Mon, 2009-10-26 at 13:47 -0300, Leonardo Marsaglia wrote: Hello everybody, i'm trying to use comp (i've already compiled a kernel module with comp) but i can't make it work.

Re: [Emc-users] 2.3.3

2009-10-26 Thread Hubert Bahr
Gene I used Roton http://www.roton.com/ballscrews-ballnuts-nav.aspx?line=Recirculating for both my X2 and X3 unfortunately I only found the 5/8 screws reasonable. Yes the ball nuts are a major cost as I use 2 for each axis. Nuts less than $25 each. I don't know how they would fit in

Re: [Emc-users] 2.3.3

2009-10-26 Thread Gene Heskett
On Monday 26 October 2009, Hubert Bahr wrote: Gene I used Roton http://www.roton.com/ballscrews-ballnuts-nav.aspx?line=Recirculating for both my X2 and X3 unfortunately I only found the 5/8 screws reasonable. Yes the ball nuts are a major cost as I use 2 for each axis. Nuts less than $25

Re: [Emc-users] EMC at NAMES, 2010

2009-10-26 Thread Jon Elson
Dave wrote: Any idea why they moved it to Southgate? I thought the Seagate center was pretty nice. There have been warring parties within the NAMES leadership for a number of years. The only reason they moved to Toledo was that Barbara and Truman Parkinson got in charge of selecting a