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General Mach Discussion / CNC moves center during cycle to the left on X axis

« on: January 08, 2015, 11:57:16 AM »

Hi, we have a old Bridgeport milling machine with a Mach3 control. Since five weeks we have a very heavy problem, I will explain it with the following example: We made a sample rectangular of 2" x 6". The first four cycles the milling machine made them normally, after that she started to move the center on the X axis on the left, after two cycles we have had just a movement of more than 1 mm to the left side. With every cycle she moves center a little bit more to the left. Someone knows this problem and has a solution? Thanks Veit