Research on the dynamic performance testing test platform of numerical control equipment high-grade guarantee numerical control machine running reliable quality and machining, effectively predict the occurrence of equipment failure and effective, and save a lot of the cost of maintenance, improve the level of management of equipment. It has a very important significance are safe and reliable, and the production of numerical control equipment and modern scientific maintenance and management. The purpose of the research is to provide test equipment work show high-grade numerical control machine dynamic performance, another purpose of study is to provide the critical test technology, and reveals the dynamic performance of faults and development, the deterioration of the accuracy of the factors that lead.