It is not allowed to use motorized tool setting, and the tool setting should be performed manually. When reversing the workbench, the reversing handle must be stopped at the middle position before reversing. Direct reversing is not allowed. When milling keyway shafts or cutting thin workpieces, it is strictly prohibited to damage the indexing head or work surface. When milling a flat surface, it is necessary to use a cutter head with more than four cutting heads, and select the appropriate cutting amount to prevent the machine tool from generating vibration during milling.

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.