There are many kinds of CNC spinning machines, which can be divided into large categories. From the processing variety, there are processing shell type CNC milling machine, processing center, processing shaft CNC lathes, turning center, CAM CNC grinding machine, etc. From the control of processing requirements, there are single-axis CNC sanding belt polishing machine, there are five linkage CNC gear cutting machine, CNC hob grinding; From the complexity of control, simple numerical control, multi - channel numerical control; In terms of driving mode, there are stepper motor, dc servo motor, ac synchronous servo motor, ac asynchronous servo motor and linear motor. From the main shaft driving mode, there are dc spindle motor, ac spindle motor, alternating current spindle; From the position feedback mode, there are full closed loop feedback, semi-closed loop feedback, open loop control and so on.

The good flexibility of the CNC spinning machine, high adjustment, high machining accuracy, has long been concerned by automobile manufacturers, since the 1960s began to enter the field of automobile parts production. Because of its high cost, system function and efficiency are not ideal, but has not been widely used. Entering the 1990s, with the intensification of market competition; Multi-variety production meets the diversified needs of the market to a large extent until it meets the needs of each user, which has become the goal pursued by automobile manufacturers. The flexible manufacturing unit with CNC spinning machine as the main body has been widely used. There are two key development directions of today's CNC spinning machines:

High speed CNC spinning machine for high efficiency. At the current international level, the spindle speed is no more than 25000rpm, the speed of addition and reduction is no more than 2.5g, and the rapid movement is no more than 160m/min. To reach this new level, the driving, mechanical transmission, mechanical structure and cutter of the CNC spinning machine should be greatly improved. The spindle of machine tool must use electric spindle, main bearing USES ceramic bearing commonly, the difficulty is cooling, lubrication, service life is average 20,000h. Driving is usually driven by linear motor plus linear guide (also used for static guide), 90m/min, 1g machine tools, and double-servo motor with large pitch double ball screw pretensioning scheme. Mechanical structure generally USES the frame box structure. The tool adopts high hardness, high heat resistance and HSK to handle.