Bearing test methods and inspection rules

1, detection methods, 1. 1 hardness testing method according to JB/T7361 'rolling bearing parts hardness test method' regulation. 1. 2 microstructure inspection method according to the provisions of the JB/T1255. 1. Three dimensional tolerance and the rotating precision of measurement method according to GB/T307. 2 the principle and method of measurement and inspection of the rolling element bearing '. 1. 4 of the roundness error measurement and evaluation methods according to the provisions of the JB/T6642. 1. 5 the raceway grinding burn with pickling method checks. 1. 6 ring and steel ball surface roughness evaluation method according to JB/T7051 surface roughness measurement and evaluation methods of the rolling bearing parts '. 1. 7 the magnetic measurement and evaluation methods in accordance with the JB/T6641 the residual magnetic rolling bearings and its evaluation methods. 1. 8 evaluation method according to JB/T7050 bearing cleanliness and the cleanness of rolling bearing and assessment method. 1. 9 rotation flexibility inspection, inspection should be 100% after demagnetization cleaning. 1. 10 assembly quality and appearance quality to 100% under astigmatism lamp orders view checking ( For the sample) 。 1. 11 bearing vibration ( Acceleration) Measurement according to JB/T5314 'rolling bearing vibration ( Acceleration) Measurement method 'regulation. 1. 12 bearing vibration ( Speed) Measurement according to JB/T5313 'rolling bearing vibration ( Speed) The measuring method of 'regulation. 1. 13 other special with special requirement according to special inspection procedures. 2, acceptance rule 2. 1 finished product acceptance of key projects and face defects, according to standard of 'zero defect' receives the number for 'zero', that is not a nonconforming. Inspection items refer to table 4, table 5 and table 6, the other by quality inspection rules set forth in the agreement signed by both parties. 2. 2 bearing inner and outer ring of hardness, microstructure, face burns sampling and judgement as stipulated in the table 5. 2. 3 ball 2. 4 ball hardness, and microstructure, surface roughness of burns, checking and judgement as stipulated in the table 6.