Electric Spindle Four-axis Linkage of the Two Important Technology Research

In order to improve precision and efficiency of the mounting holes on the high speed train friction plate machining,a set of new development method is for electric spindle four-axis-linkage machine in drilling high speed train friction plate.According to dimensions,location precision,drilling depth,specially material properties of high speed train friction,the overall design plan is drawn up for mechanical and electrical structure.It focuses on the study of electric spindle dynamic balancing and electromagnetic coupling problems,and puts forward some effective measures that improve the electric spindle drilling machine manufacturing precision and the operation stability in the paper.