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Topics - samyy

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General Mach Discussion / Mill Problems
« on: February 01, 2017, 07:32:20 PM »
I am using Mach 3 with a generic Chinese 6040 mill. The only trouble is that the Z axis erratically stops and makes a loud hum and then changes direction. It cannot jog up and down, after about half a second it will do that hum and then change. I tried getting a new stepper motor and even changed the stepper motor driver, but none of these seem to fix it. Is it a problem  with the machine or Mach 3?

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