As core components of mechanical transmission systems, bearing races demand high forging precision. With the rapid development of key industries like automotive and wind power, the need for high-precision bearing races is increasingly urgent. Servo screw press technology, featuring precise force control, flexible process adjustment and high energy efficiency, has become a crucial guarantee for achieving high-precision forging of bearing races.    

Bearing races require excellent dimensional accuracy and mechanical properties, which are hard to satisfy with traditional forging equipment such as mechanical and hydraulic presses due to their limitations in control precision and flexibility. Servo screw presses adopt a servo motor-driven design, transmitting power via a belt to rotate the flywheel, which then drives the slider to perform vertical linear motion. This design enables full digital control of forging parameters, making servo screw presses widely applicable in the high-precision forging of bearing races.    

The high-precision forging of bearing races driven by servo screw press technology consists of a series of coherent links, with precise control throughout the entire process. Firstly, high-quality bearing steel such as GCr15 is selected as the raw material. After strict inspection to eliminate defects like inclusions and cracks, the raw material is cut into fixed-length blanks. Subsequently, an intermediate frequency induction heating furnace is used for rapid and uniform heating, and the servo system monitors the temperature in real time (usually 1100°C-1250°C) to prevent issues such as overheating or underheating that could affect forging quality.    

Forging forming is the core link, including upsetting, punching and ring rolling. Through the precise control of forging force and stroke by the servo screw press, the uniformity of the blank is ensured, and the generation of burrs and cracks is avoided. Moreover, stable rolling force guarantees that the dimensional tolerance of the bearing race is controlled within ±0.05mm. After forging, the workpieces undergo cooling, heat treatment and finishing processes to eliminate internal stress, improve hardness and wear resistance, and ultimately meet the design requirements.    

Compared with traditional equipment, servo screw presses have obvious advantages in the high-precision forging of bearing races. Their forging force control precision can reach ±1 ton, ensuring the consistency of products in the same batch. Meanwhile, they have flexible process curves, which can adapt to the forging needs of different types of bearing races and realize flexible production. In terms of energy efficiency, servo screw presses only consume electricity during the working process, with an energy saving rate of more than 55% compared with traditional equipment, significantly reducing production costs. Practical application results show that the application of servo screw press technology can effectively improve the qualification rate of bearing race forgings and enhance product performance, providing strong technical support for the high-end development of the bearing manufacturing industry.