Machsupport Forum

Mach Discussion => General Mach Discussion => Topic started by: alanbredbury on January 03, 2010, 01:13:25 PM

Title: different behavior in motor setup screen and run mode
Post by: alanbredbury on January 03, 2010, 01:13:25 PM

I am a bit confused about one thing. when I go into the motor set up area and jog the axis, any one, I can enter 80 IPM for the speed and jog the motors without missing steps no problem, set my acceleration so high it actually shakes the machine no missed steps. When running a program if I go over 30 IPM even with gentle acceleration I get missed steps I mean blatant you can hear the motor ratcheting. Is there a setting I am missing in the run mode?
Thanks in advance for any advice

Title: Re: different behavior in motor setup screen and run mode
Post by: ger21 on January 03, 2010, 02:18:01 PM

Use task manager to check CPU usage. If it's at 100%, then you're PC may be too slow. Also try turning off the toolpath screen and see if it works OK then.

Title: Re: different behavior in motor setup screen and run mode
Post by: alanbredbury on January 04, 2010, 09:03:59 PM

You were absolutley correct my processor was maxed out just jogging. I put a more powerful machine in place and now it is much better.

Title: Re: different behavior in motor setup screen and run mode
Post by: BUG on January 07, 2010, 02:41:44 AM

Sorry, I think I have the same problem.
Configure the machine to make a big square 150x90, but in doing small 30x30 the result is 29.7 x29, 7

Configured for the correct exit 30x30 small and large is the result of 151x91

This problem is the same as yours. It may be because the PC is slow

My machine is a Zenbot with Mach3