Machsupport Forum

Mach Discussion => General Mach Discussion => Topic started by: mkaman on November 07, 2008, 07:22:20 AM

Title: Enabling backlash comp in 3.041
Post by: mkaman on November 07, 2008, 07:22:20 AM

I have a tabletop mill setup and am looking for ways to enable backlash comp in 3.041. 

I currently have .004 backlash in the X, .002 in the Y and .004 in the Z.  I'm using Kerkote 4tpi leadscrews.

System specs: Gecko 250 driver box and 300 oz in  steppers.  Mach setup; kernel speed 45000khz, CV mode on, distance mode to absolute, IJ mode to Inc.

Without backlash enabled the system runs smooth, if I enable backlash, it seems everything bogs down.

Any ideas?

TIA,
Michael

Title: Re: Enabling backlash comp in 3.041
Post by: Overloaded on November 07, 2008, 11:20:39 AM

Hello Michael,
  You might tinker with the Shuttle settings. Has helped some in the past.
RC 8)

Title: Re: Enabling backlash comp in 3.041
Post by: mkaman on November 07, 2008, 11:47:04 AM

Thanks for the info.  Will try this tonight.

I should have added that I also have a xylotex based sytem with steppers and Mach 2.0.009 that has backlash enabled and runs smooth.

Will post my findings when I get time to try this.