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« on: February 22, 2010, 08:36:04 AM »
Thanks Rich i have my steps per set at 2000 and my velocity set to 1350 accel is set at 400. Step and dir US is set at 4 this is the only way i can get the 0 to 10V needed for the spindle. I have tried different settings with out results when using the 1000 Steps per i get 7.8V max readout when running the motor. I have a bridgeport type clone and the variable drive pulley is set at 3300RPM and when i command M3 S1000 from Mach The spindle speed reads about 2000RPM and this is with my vfd reading 36.6hz. maybe i am doing something very wrong but this spindle calibration stuff is very complicated. Does anybody have any formulas for figuring this stuff out?