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General Mach Discussion / Stepper Motor problem

« on: July 16, 2011, 06:35:11 PM »

Hello to everyone
I have builted my first CNC router  and I tried to setup my Z axis with Mach3 motor tuning and I have only nose or vibration with the Z motor
The X - Y axis is running very well

    1 M254 NEMA23 Stepper Motors  Z axis
    2 M637 NEMA34 Stepper Motors  X - Y axis
    1 Micro Step Drivers D42 4.2 AMP, 50VDC  Z axis
    2 Micro Step Drivers D56 5.6 AMP, 50VDC  x - Y axis

I am connected directly to my ball screw 5 MM pitch

Hope somebody can help me

Thanks