For X-axis correction, slightly loosen the four bolts, but it is necessary to determine that there is still some friction resistance on the four bolts. At this time, use the head rotation bolt to adjust the left and right angles. During the process, a dial indicator must be placed on the spindle end face to measure the correct position of the workbench.

For Y-axis correction, slightly loosen the 3 bolts, but ensure that the 3 bolts are not too loose to facilitate fine adjustment. At this time, use the arm to rotate the bolt and place a dial indicator on the spindle end face to measure the correct position of the workbench.

Milling is a mechanical processing method that uses a milling cutter as a tool to process the surface of an object. Milling machines include horizontal milling machines, vertical milling machines, gantry milling machines, profiling milling machines, universal milling machines, and bar milling machines. The characteristic of curved surface parts is that the machining surface is a spatial curved surface, and during the machining process, the machining surface and the milling cutter are always in point contact. Ball end milling cutters are often used for surface finishing.