Can somebody help?  How to create auto 0 Z axis program in Mach3.  I am new in forum and just switch from shopbot to Mach3, I would like to have auto 0 z axis program as C2 file in shopbot controller I have been used for years.  All help would be appreciate,
Tom,

Do you mean like a touch plate to set the work 0 ?
If so, do a search, there's gads and oodles of info and examples.
If not,  ? ? ? ? ?
Rc

The program auto 0 Z-Axis.  What I want is, the Z-Axis come down touch metal plate (Grounded) then back up and go down again to touch plate and go back home.
Thank you for help,
Tom,

Tom,
  Here is one of many topics.
http://www.machsupport.com/forum/index.php/topic,12633.0.html

another good one,
http://www.machsupport.com/forum/index.php/topic,12980.0.html

Thank you very much for your help.  I will follow those links and start from there,
Tom,