·CNC vertical processing center processing grooves that will be used in the groove will be used ·Method for checking the accuracy of the operation of the CNC drilling and milling machine with a mov ·CNC processing ·CNC blade (tool) choice ·Structural Design of CNC Dynamic Balance and Thermal Balance ·Mechanical characteristics of hard rail machining centers ·How to design the heating and cooling of metal die casting die? ·Explain the benchmark selection of processing and positioning of the processing center? ·What is the machining principle of CNC horizontal machining center for single arm drilling and tappi ·What is the gap between domestic processing centers?