Re: [Emc-users] how to set G0 velocity?

2009-11-08 Thread Sven Wesley
2009/11/9 Steve Blackmore > On Sun, 8 Nov 2009 10:25:46 +, you wrote: > > > >If the G0 speed is higher than max G1 feed rate, wouldn't that mean that > >your machine can handle higher speeds than configured? > > ??? > > No. > > The G0 speed is set in firmware, or configuration files to the ma

Re: [Emc-users] Joint 2 following error seems very eas y to provoke on a G83 peck cycle?

2009-11-08 Thread Gene Heskett
On Sunday 08 November 2009, Chris Radek wrote: >On Sun, Nov 08, 2009 at 10:44:09PM -0500, Gene Heskett wrote: >> But not at other times. I have it running quite a bit slower in the ini >> than it can run. Changing the F number in the command doesn't seem to >> help, is is not enough, it can run 3

Re: [Emc-users] Joint 2 following error seems very easy to provoke on a G83 peck cycle?

2009-11-08 Thread Chris Radek
On Sun, Nov 08, 2009 at 10:44:09PM -0500, Gene Heskett wrote: > But not at other times. I have it running quite a bit slower in the ini than > it can run. Changing the F number in the command doesn't seem to help, is is > not enough, it can run 30 ipm and I'm limited to half that in steady stat

[Emc-users] Joint 2 following error seems very easy to provoke on a G83 peck cycle?

2009-11-08 Thread Gene Heskett
But not at other times. I have it running quite a bit slower in the ini than it can run. Changing the F number in the command doesn't seem to help, is is not enough, it can run 30 ipm and I'm limited to half that in steady state running. 2.3.4-1 Suggestions? Thanks. -- Cheers, Gene "There

Re: [Emc-users] how to set G0 velocity?

2009-11-08 Thread Steve Blackmore
On Sun, 8 Nov 2009 10:25:46 +, you wrote: >If the G0 speed is higher than max G1 feed rate, wouldn't that mean that >your machine can handle higher speeds than configured? ??? No. The G0 speed is set in firmware, or configuration files to the maximum speed your machine can move reliably, a

Re: [Emc-users] Linux halt detection

2009-11-08 Thread Mark
I posted a suggestion on the emc-developers list in october, which will power off the computer. Use caution and back up anything important, of course! http://www.mail-archive.com/emc-develop...@lists.sourceforge.net/msg02648.html Mark On Sun, Nov 8, 2009 at 8:19 PM, Leonardo Marsaglia < leonard

Re: [Emc-users] Toothed belt pulleys [Was: Re: G2 moves, puzzle ]

2009-11-08 Thread Steve Blackmore
On Sun, 8 Nov 2009 19:19:02 +, you wrote: >2009/11/8 Ian W. Wright : >> >> One thing you could try is the way I have just made a set of >> toothed belt pulleys for my new little gantry mill. I used >> 'Polymorph' (Jett Sett) and the way I did it was ... > >I confess I don't really understand t

[Emc-users] Linux halt detection

2009-11-08 Thread Leonardo Marsaglia
Hello everybody, i was thinking in making an automatic external shutdown device, since the kernel is configured not to halt in the normal way.. What i was wondering is if when i shutdown the system and the screen says system halted is there any physical connector or something that i can use to det

Re: [Emc-users] Toothed belt pulleys [Was: Re: G2 moves, puzzle ]

2009-11-08 Thread Andy Pugh
2009/11/8 Ian W. Wright : > > One thing you could try is the way I have just made a set of > toothed belt pulleys for my new little gantry mill. I used > 'Polymorph' (Jett Sett) and the way I did it was ... I confess I don't really understand this thread. Are you making especially big pulleys wher

Re: [Emc-users] Toothed belt pulleys [Was: Re: G2 moves, puzzle ]

2009-11-08 Thread Gene Heskett
On Sunday 08 November 2009, Ian W. Wright wrote: >One thing you could try is the way I have just made a set of >toothed belt pulleys for my new little gantry mill. I used >'Polymorph' (Jett Sett) and the way I did it was to get a >long belt of the pitch I wanted and a bit wider than I >intended to

Re: [Emc-users] G2 moves puzzle

2009-11-08 Thread Gene Heskett
On Sunday 08 November 2009, John Thornton wrote: >Gene, > >Ok, I changed the drawing to clear that up. Now that seems much clearer, thank you John. In fact, I'll cut another tree and reprint that manual's pdf again if you also incorporate those 7 lines of text that Andy posted yesterday. ---

Re: [Emc-users] G2 moves puzzle

2009-11-08 Thread Gene Heskett
On Sunday 08 November 2009, Erik Christiansen wrote: >On Sat, Nov 07, 2009 at 03:52:52PM -0500, Gene Heskett wrote: >> Another thought would be to turn the profile with the flanges, then put >> it on a rotary table mounted 'A' style, and carve the grooves with a ball >> nose mill. The slight radii

Re: [Emc-users] Toothed belt pulleys [Was: Re: G2 moves, puzzle ]

2009-11-08 Thread Ian W. Wright
One thing you could try is the way I have just made a set of toothed belt pulleys for my new little gantry mill. I used 'Polymorph' (Jett Sett) and the way I did it was to get a long belt of the pitch I wanted and a bit wider than I intended to use. I chopped a length off htis of the right num

[Emc-users] Script to calculate stepper SCALE values

2009-11-08 Thread Michael Buesch
Hi, Some time ago I did a quick'n'dirty python script to calculate a table of SCALE values for linear joints on a stepper system. It calculates the SCALE depending on the degree-per-fullstep and units-per-revolution parameters. See --help for more info. Might also be useful to others, so I publi

Re: [Emc-users] G2 moves puzzle

2009-11-08 Thread Andrew
On Sat, Nov 07, 2009 at 03:52:52PM -0500, Gene Heskett wrote: > Another thought would be to turn the profile with the flanges, then put > it on a rotary table mounted 'A' style, and carve the grooves with a ball > nose mill. The slight radii at the ends where you stop at the flanges > will probabl

Re: [Emc-users] G2 moves puzzle

2009-11-08 Thread John Thornton
Gene, Ok, I changed the drawing to clear that up. On 7 Nov 2009 at 21:19, Gene Heskett wrote: > > In those examples, it would have been most helpful with an arrow > pointing at > the 3 points, calling this one the origin, that one the destination, > and the > last one by whatever radii or desi

[Emc-users] New CAD/CAM system to the market - SharpCam

2009-11-08 Thread Julian
Hi, I hope you can help us. We are creating a post processor to suit the EMC2 for a new CAM system to the market - SharpCam:  http://www.sharpcam.co.uk   We have a technology that sits on top of the post that allows the user to configure simple properties to suit their machine. This means that on

Re: [Emc-users] G2 moves puzzle

2009-11-08 Thread Erik Christiansen
On Sun, Nov 08, 2009 at 10:28:36AM +, Steve Blackmore wrote: > Common for engineering tasks to make a noise? Even after turning the > excess off to size you will need to de-burr the teeth. A few seconds on > a wire wheel fixes that. I've pulleys made like that out there and > running continuall

Re: [Emc-users] G2 moves puzzle

2009-11-08 Thread Erik Christiansen
On Sat, Nov 07, 2009 at 03:52:52PM -0500, Gene Heskett wrote: > Another thought would be to turn the profile with the flanges, then put it on > a rotary table mounted 'A' style, and carve the grooves with a ball nose > mill. The slight radii at the ends where you stop at the flanges will > prob

Re: [Emc-users] G2 moves puzzle

2009-11-08 Thread Steve Blackmore
On Sat, 7 Nov 2009 21:09:19 +1100, you wrote: >Even a slot drill would probably leave tiny burrs on the through hole, >some roughness on the opposite cheek, and sharp edges on the tooth tips, >so perhaps such a pulley would chew up at least the first belt run on >it. > >Turning after drilling woul

Re: [Emc-users] how to set G0 velocity?

2009-11-08 Thread Sven Wesley
2009/11/8 Steve Blackmore > On Sat, 07 Nov 2009 12:40:36 -0600, you wrote: > > >Just wondering if the G0 speed can be faster then the max feed rate speed. > >On all CNC machines I have run (that use Fanuc, Mit, etc controls) > >the rapid speed was much faster then the max feed rate speed, like 2

Re: [Emc-users] how to set G0 velocity?

2009-11-08 Thread Steve Blackmore
On Sat, 07 Nov 2009 12:40:36 -0600, you wrote: >Just wondering if the G0 speed can be faster then the max feed rate speed. >On all CNC machines I have run (that use Fanuc, Mit, etc controls) >the rapid speed was much faster then the max feed rate speed, like 2 >or 3 times. Yes, that's normal?

Re: [Emc-users] Toothed belt pulleys [Was: Re: G2 moves puzzle ]

2009-11-08 Thread Erik Christiansen
On Sat, Nov 07, 2009 at 08:13:56PM +0200, Roland Jollivet wrote: > I watched milling of aluminium toothed pulleys at a company once. They had > put a whole lot of 2" discs on a shaft, maybe 10" long, tightened up, and > had the whole thing in a dividing head, then just milling grooves with an > end