With the continuous development of science and technology, mechanical products are becoming more and more sophisticated and complex, and their modifications are becoming more frequent, which puts forward higher and higher requirements for the performance, precision and automation of machine tools. CNC machine tools use advanced technologies such as computer numerical control technology, microelectronics technology, and automatic detection technology to process small batches, high-precision and complex-shaped parts, and only need to write corresponding processing programs without modifying the machine tool. Produce products that meet demand. The core of the alloy wheel lathe is the design of the feed system.
The CNC technology of alloy wheel lathes has made indelible contributions to the development of industries that are highly related to the national economy and people’s livelihood (such as light industry, automobiles, and medical care, etc.), because the equipment in these industries has basically achieved a high degree of digitalization. The current development in the field of CNC machine tools has the following characteristics:
(1) Speed and accuracy continue to improve.
(2) Reliability and stability continue to improve.
(3) CNC lathe design CAD, structural design modularization.
(4) More and more functions are integrated.
(5) Highly intelligent, flexible and integrated.
       Alloy wheel lathes not only require extremely high positioning accuracy, but also need to ensure sensitive dynamic response. The system must respond accurately and sensitively to command signals. In order to ensure that the quality and characteristics of various aspects of CNC machine tools meet the requirements of actual applications, the feed system is required to achieve no gap, low inertia, high stiffness, high resonance frequency, and appropriate damping.
The composition scheme of the feed system is motor + gear reduction + ball screw drive. Fix one end of the ball screw and simply support one end. Anti-backlash gears and plastic guide rails are used to improve accuracy. The feed system adopts one-stage gear reduction to meet the requirements, but in order to save space, the transverse feed system adopts two-stage gear reduction transmission.

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