1） When dragging the table for large gantry cnc machining workpiece, you must pay attention to the verticality, first drag one side flat, then drag the vertical surface.
2） When scribing the workpiece, the line must be scribed twice for verification.
3） After scribing and marking, check the center position according to the outline dimensions provided in the program sheet and the dimensions on the parts drawing.
4） All workpieces must be centered by centering method, and the zero position must be centered by centering method on the side of the workpiece and then moved to the side, and the edge distance between the two sides must be the same. Under special circumstances, if unilateral entry is required, it must be confirmed again by the production team before passing. After counting on one side, remember to compensate the radius of the center rod.
5) The zero point input of the center of the workpiece must be the same as the center of the three axes of the workstation computer chart.