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Zero point changed during threading


GSK980TB2 CNC controller User:

Hello CNCmakers, we have a lathe machine with GSK980TB2 CNC controller, now it has been working for 2 years without any problem, but recently the we are facing a problem.


When we making thread, we will make a pause to measure the depth of the thread, and then reset and start the program again, now the zero point of Z axis will change, the difference is between 0.01mm to 0.1mm, what could be wrong?


CNCmakers Support:

From the description you gave, the problem should come from the mecanical parts.

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