The application of numerical control technology has not only brought revolutionary changes to the traditional manufacturing industry, making the manufacturing industry a symbol of industrialization, but also with the continuous development of numerical control technology and the expansion of application fields, it plays an increasingly important role in the development of some important industries (IT, automobile, light industry, medical treatment, etc.) of the national economy and the people's livelihood, because the digitalization of the equipment required by these industries has become a major trend of modern development. At present, CNC lathes present the following development trends.