Relative Dynamic Stiffness Testing and Vibration Suppression Technology for the Complete Set of High-precision CNC

摘要

This thesis proposed a method of testing the relative dynamic stiffness for the whole machine of the high-precision CNC.That is to cut the specimen,then to test the cutting force in all directions and the spindle vibration of the actual processing respectively.It can determine the relative dynamic stiffness of the machine.According to testing results of the relative dynamic stiffness and the structural characteristics of the machine,it can make a program to restrain the suppression vibration.Comparing the dynamic stiffness before vibration suppression and after,vibration resistance of the machine significantly has been improved which validate the effectiveness of the program.