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① Before Remanufacturing

The precision is seriously lost and can't be used

② During remanufacturing

The original machine bed, worktable and other parts can be used to restore the accuracy, and other parts are redesigned to make the overall structure meet the requirements of modern CNC machine tools.

③ Remanufacturing completed

Siemens 840dsl numerical control system is selected, the numerical control difference repair device is adopted, and the large-scale nut grinding unit is added to realize the seven axis four linkage control. The measured accuracy reaches or even exceeds the newly purchased machine tool