Deep groove ball bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Rolling bearings are generally composed of four parts: outer ring, inner ring, rolling element, and cage. According to the shape of the rolling element, rolling bearings are divided into two categories: ball bearings and roller bearings. Although there are many types of rolling bearings, their structural types, tolerance grades, material selection, and processing methods are different, but their basic manufacturing processes are similar. The following editor briefly introduces the processing technology of bearing components:

1. Deep groove ball bearing manufacturing process sequence

(1) Deep groove ball bearing parts manufacturing - bearing parts inspection - bearing parts demagnetization, cleaning, rust prevention - bearing assembly - bearing finished product inspection - bearing finished product demagnetization, cleaning - bearing finished product oiling packaging bucket finished product storage

(2) Rings are important parts of rolling bearings. Due to the wide variety of rolling bearings, the ring sizes, structures, manufacturing equipment, and process methods of different types of bearings are different. In addition, due to the many processing steps, complex processes, and high processing precision requirements of rings, the processing quality of rings has an important impact on the precision, service life, and performance of bearings.

2. Process sequence of deep groove ball bearing rings

The raw materials for ring manufacturing are cylindrical bars or tubes. At present, according to different forming processes, rolling bearing rings generally have the following manufacturing processes.

(1) Bars: cutting-forging-annealing (or normalizing)-turning (cold pressing)-heat treatment quenching, tempering-grinding-parts inspection-demagnetization, cleaning-submission for assembly.

(2) Bars and tubes: blanking - cold rolling - heat treatment quenching, tempering - grinding - parts inspection - demagnetization, cleaning - submission for assembly.

(3) Tubes: blanking - turning - heat treatment quenching, tempering - grinding - parts inspection - demagnetization, cleaning - submission for assembly

(4) Bars: blanking - cold (warm) extrusion - turning - heat treatment quenching, tempering - grinding - parts inspection - demagnetization, cleaning - submission for assembly

III. Ring forming method

Currently, there are mainly the following forming methods in ring processing: forging, turning, cold rolling and cold (warm) extrusion.

(1) Forging Forging can eliminate metal inherent defects, improve metal structure, make metal streamline distribution reasonable, and improve metal tightness. Forging technology is widely used in bearing forming. Common forging methods include hot forging, cold forging and warm forging.

(2) Stamping is an advanced process that can improve material utilization, improve metal structure density and maintain metal streamline. It is a chipless processing method. When using stamping and forging, the accuracy of the product is affected not only by the accuracy of the equipment, but also by the accuracy of the forming die.

(3) Traditional turning technology uses a special lathe and adopts a centralized process method to complete the forming process. Some products with complex shapes and high precision requirements are increasingly using CNC turning technology.