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Published on Mar 14, 2013
Bridgeport Sigma stepper motors and Mach3 motor tuning problem. Mach3 motor tuning settings: speed 60 ipm, Acceleration 1, Step pulse 1, Direction pulse 0. Finished the retrofit in summer 2012, motors sounded great then, nice and smooth. Let the machine set over the winter, now all three axis motors sound like crap. Any suggestions ?