Hi,
Firstly, please forgive me for my ignorance. I'm pretty new to this and I notice from the level of discussion on the forum that many posters are seasoned hands at CNC.
I'm commissioning a 3x1.2m 3 axis MechMate that I built and things are going fine. It's able to move correctly in response to G code and the e-stop, feed hold and resume buttons all work. I'm running a PMDX-126 and Gecko 203v's and Mach 3 (2) is installed on a 32 bit gaming (i.e. high specced) PC running 32 bit Windows 7
I'm having problems setting up home are returning to zero. I do not have limit switches and have yet to get my proximity circuit sorted, so I'm slamming into end stops a bit!
1. I set zero for x,y,z with the machine co-ordinates lit. This should be "table zero", right?
2. I can jog off this zero, switch off machine co-ordinates and re-zero, then regenerate path and and run through g code. The display shows the work correctly relative to the table and the machine moves correctly in response to the g code.
3. If I <goto zero> at the end of the routine the gantry or car overtravel dramatically, which means I have to be quick hitting <esc> or <reset>. I have tried debounce values of 500, 1000 and 2000.
4. I cannot subsequently zero any of the axes via the on screen buttons and have to restart the software to be able to do this.
Is there something I'm missing?