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The basic production process of rolling bearings
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First, the processing of the primary parts of various bearings:
1. The processing of the ferrule: The processing of the inner ring and the outer ring of the bearing differs depending on the raw material or the blank method. The process before the machining can be divided into the following three types. The whole processing process is: bar or Pipe material (some bars need to be cast and annealed, normalized)----Car processing----heat treatment----grinding----finishing or polishing----final inspection of parts-- --Anti-rust----into the warehouse----(to be installed)
2. The processing process of the steel ball, the processing of the steel ball is different depending on the condition of the raw material, and the process before the frustration or the photosphere can be divided into the following three types, the process before the heat treatment, and can be divided into The following two processes; the whole processing process is: bar or wire cold-punching (some bars need to be punched and annealed after cold-shrinking)----frustration, rough grinding, soft grinding or light ball---- Heat treatment----hard grinding----fine grinding----finishing or grinding----final inspection group----rust prevention, packaging----into the warehouse to be installed.
3. Roller processing The processing of the roller varies depending on the raw material. The process before the heat treatment can be divided into the following two types. The whole processing process is as follows: bar processing or wire cold rolling after the string And soft grinding----heat treatment----string soft point----rough grinding outer diameter----rough grinding end face----finishing end face----fine grinding outer diameter----final grinding Outer Diameter----Final Inspection Group----Anti-rust, packaging----into the warehouse (to be installed).
4. The processing progress of the cage process cage is different according to the layout and raw materials, and can be divided into the following two categories:
(1) Sheet → shear → punching → stamping forming → shaping and finishing → pickling or shot peening or stringing → final inspection → rust prevention, packaging → storage (to be installed)
(2) Processing process of solid cage: The processing of solid cage is different depending on the raw materials or the gross damage. Before the machining, it can be divided into the following four blank types. The whole processing process is: Material, pipe material, forgings, castings----car inner diameter, outer diameter, end face, chamfering----drilling (or pulling holes, boring)----pickling----final inspection-- --Anti-rust, packaging----into the warehouse.
Second, the installation process of the rolling bearing:
Rolling bearing parts such as inner ring, outer ring, roll body and cage, etc., after passing the inspection, enter the installation workshop for installation, the process is as follows:
Parts demagnetization, cleaning → internal and external rolling <ditch> road scale grouping → joint set → view clearance → riveting cage → final inspection → demagnetization, removal → rust prevention, packaging → into the product warehouse (boxing, shipping 〉.
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