Although many types of rolling bearing, the structural type and tolerance grade, material selection, and processing method has difference, but the basic manufacturing process all include the following content:

1, bearing parts manufacturing-bearing parts inspection-bearing parts demagnetism, cleaning, rust-bearing assembly-bearing product inspection-bearing finished product demagnetism, their cleaning-bearing finished with oil packing measures finishing warehousing.

2, the contractor is an important part of rolling bearing, because many varieties of rolling bearing, make different type bearing rings size, structure, make use of the equipment, process methods of the different. And with the processing procedures, rings process complex, processing accuracy requirement is high, and therefore, the contractor to the precision of the bearing processing quality, service life and have an important impact on performance.

3 the raw materials for ring manufacturing, , cylindrical bar stock or pipe material, at present according to different molding process, rolling bearing collar is generally has the following kinds of manufacturing process.

1) (bar stock) the material of forging-annealing (or are fire-turning (cold rolling forming)-heat treatment quenching and tempering-grinding-parts inspection-demagnetism, their cleaning-submit assembly.

2) (great materials, pipe material) cold rolling material molding-heat treatment quenching and tempering-grinding-parts inspection-demagnetism, their cleaning-submit assembly.

3) (tube material) material-turning molding-heat treatment quenching and tempering-grinding-parts inspection-demagnetism, their cleaning-submit assembly

 
4) (bar stock) material-cold (temperature) extrusion-turning-heat treatment quenching and tempering-grinding-parts inspection-demagnetism, their cleaning-submit assembly



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