PMDX Forum

General Category => General Discussion => Topic started by: kberta on February 17, 2018, 03:50:25 PM

Title: Not moving correct distance - 424 and Mach 4
Post by: kberta on February 17, 2018, 03:50:25 PM

Not sure where to ask this so hopefully someone can help.  I have the following setup;

5 TPI
1.8 degree per step (200 steps per rotation)
10 micro steps using Gecko 203V

My calculation yields 10000 steps per inch.  After milling my first part, my dimensions were off (part was tool small).  So I went to the negative 9 inch position on my mill and zero'd Mach 4 X axis.  I then moved 18.00 inches on my table, but Mach 4 says that I moved 18.337 inches.

Any ideas how to fix this and what could be the problem? I have this problem on every axis!

Thanks.

Title: Re: Not moving correct distance - 424 and Mach 4
Post by: kberta on February 20, 2018, 08:50:49 AM

Solved my issue! 

Title: Re: Not moving correct distance - 424 and Mach 4
Post by: 12strings on February 21, 2018, 12:41:41 AM

Quote from: kberta on February 20, 2018, 08:50:49 AM

Solved my issue!

And the answer was????  This may help someone else.

Title: Re: Not moving correct distance - 424 and Mach 4
Post by: kberta on February 23, 2018, 04:41:35 PM

I bought the conversion kit and it had metric screws that I was not aware of.  It was 5.08 turns per inch and not 5 as I originally believed.