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General Mach Discussion / Z-Axis zero help!
« on: June 02, 2012, 05:15:56 PM »
Occasionally my Mach-3 will randomly reset the zero height of my z-axis in the middle of running a G-code--causing the bit to ruin my piece on the way to its next location. This appears to happen when running a g-code longer than about 15,000 lines or so. If I run the same code over again, the same thing happens, but in a different place...I don't see anything wrong in the code. Has anyone else had this issue? Thanks in advance.