5. Functional component function raises functional component to change direction to develop to high rate, high accuracy, high-power and intelligence ceaselessly ceaselessly, obtain mature application. Total number word communicates servo electric machinery and actuating device, electric machinery of the electric main shaft of hi-tech content, moment of force, linear electric machinery, high-powered linear scroll component, the functional component such as unit of high accuracy main shaft popularizes application, huge raises the technical level of numerical control machine tool.