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General Mach Discussion / 4th axis

« on: July 13, 2013, 04:40:01 PM »

Hi newbie to forum. have just built a 4th axis for my router and now need to calibrate same. It is geared 1:3 i.e. the motor turns 1 rev and the axis turns 1/3rd rev.having a bit of brain fade, can anyone help me with this. many thanks