ARTC integrates wireless power transmission technology into the ultrasonic main shaft, providing a coil structure with uniform magnetic field and stable power transmission device, which is different from the traditional contact power transmission method, and solves the problems of contact wear and failure. The wireless power transmission ultrasonic spindle breaks through the speed limit during processing and enhances the range of processing applications. It can effectively suppress the built-up edge, burr and strain on the processing surface, and improve the high temperature phenomenon caused by friction. It is suitable for brittle materials such as sapphire glass and ceramic quartz. Hard material.