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General Mach Discussion / mach3 milling errors

« on: June 08, 2019, 06:04:11 PM »

I tried many different Mach3 settings but my machine does not work as expected. The machine is a Shapeoko 3 diy, not a Carbide 3D kit, but it has 30kgf motors driven by DMA860h drivers, HDZ Z axis, heavy duty wheels and eccentrics from BeaverCNC, a 500w temporary spindle to be replaced soon by a 2.2kw water cooled. The controller is of industrial strength 500khz ethernet Nevex NX-max 4 axis unit with a Mach3 plugin. Homing switches are not connected right now but soft limits are working ok. The machine seems to ride well on the aluminum profiles, belts are well tightened, motors are set at 3.0 amperes, motor tuning from mach3 settings page seems to be right on spot.  Any milling that I attempt looks like the machine is adding steps to the negative sides of X and Y axes, ruining the work. There is a Picture showing work done on my Shapeoko 2 versus two attempts on this Shapeoko 3 lookalike. Any ideas on what is wrong?