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Date: 2013-08-05

The basic production process of rolling

 
 
Since the rolling bearing type, structure type, tolerance level, technical requirements, materials and quantities so different, the basic production processes are not identical.

One, a variety of bearing the main parts of the processing procedure:
1. Processing of the ferrule: the bearing inner and outer rings or the rough machining according to the form of raw materials vary, which car before processing can be divided into the following three, the whole process are: bar or tube material (subject to some bar forging and annealing, normalizing) ---- lathe ---- heat ---- grinding ---- lapping or polishing ---- Part Final Inspection ---- rust ---- storage ---- (to be co-suit with>.

2. Processing of the ball, the ball according to the processing of the same raw material vary depending on the state, or the light which fell before the ball cutting process can be divided into the following three, before the heat treatment step can be divided into the following two kinds, the whole process is: bar or wire cold punch (some bars need to punch after punch cold zone and annealing) ---- setback cut, coarse, soft grinding or ball of light ---- Heat treatment - --- hard grinding ---- grinding ---- lapping or grinding ---- grouped ---- rust final inspection, packing ---- warehousing <pending suit with co>.

3. Processing of rollers of the processing roller according to the raw materials vary, wherein before the heat treatment process can be divided into the following two types, the whole process are: lathe bar or wire rod for cold heading and Polishing ring after the string ---- heat ---- string soft spots ---- Coarse OD ---- roughing end ---- end face grinding ---- grinding mill OD OD ---- Final ---- Final Inspection group ---- rust, packaging ---- warehousing (pending suit with co>.

4. Processing of the retainer cage structure according to the design process and raw materials can be divided into the following categories
(1) sheet metal stamping → Cut → punching → → → shaping and finishing pickling or shot blasting or string light rust → → final inspection, packing → warehousing (co-pending suit with).
(2) the processing of solid cage: solid cage of the processing, according to raw materials or bad hair vary, which vehicles can be divided into the following four before processing the rough type, the whole process are: bar, pipe materials, forgings, castings ---- car ID, OD, face, chamfer ---- Drilling (or broaching, boring) ---- pickling ---- Final Inspection ---- rust, packaging ---- warehousing <pending suit with co>.

Second, the bearing assembly process:

Rolling bearing parts such as the inner ring, outer ring, rolling elements and cage, etc., after passing inspection, enter the assembly plant for assembly, the process is as follows:

Parts demagnetization, cleaning → inner and outer roll <ditch> channel size grouping together sets of sorting → → → Check clearance riveting cage → → demagnetization final inspection, cleaning → rust, Packaging → into finished products (packing, shipping


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