... , polishing equipment, etc.(4) Main inspection devices: digital projector, Rockwell hardness tester, hydraulic valve test bench, micrometer, thread ring gauge and plug ...
... , polishing equipment, etc.(4) Main inspection devices: digital projector, Rockwell hardness tester, hydraulic valve test bench, micrometer,thread ring gauge and plug ...
... -750oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 225.7.Stress RelievingStress relieving to remove machining stresses ... -900oC followed by oil or hot bath (180-220oC) quenching. Hardness after quenching is 60 HRC.9.TemperingTempering temperature: See the ...
... Height Gauge, caliper, Coordinate measuring machine, projection machine,2. roughness tester, hardness tester and so on. QC 1) Technicians self-check in production ...
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