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Bearing rings of production steps

Source: Time,Time:2014/8/24 18:06:22

1, forging: forging process, if produced a burning, overheating, etc. within the fragmented network carbide rings will reduce the toughness and strength. It must always be strictly controlled processing temperature, cycle heating and cooling after forging conditions (such as spray cooling), etc., especially in the ring after the final forging greater variety, at temperatures above 700 ℃, shall not be stacked display.
1, forging: forging process, if produced a burning, overheating, etc. within the fragmented network carbide rings will reduce the toughness and strength. It must always be strictly controlled processing temperature, cycle heating and cooling after forging conditions (such as spray cooling), etc., especially in the ring after the final forging greater variety, at temperatures above 700 ℃, shall not be stacked display. 
2, heat treatment: heat treatment equipment is closely monitoring the work of an important workshop. Monitoring equipment reliability. For instrumentation, thermocouple temperature and other important equipment should be closely monitored to ensure accurate and reliable measurement data; excessive error must be promptly replaced, non-sick run. 
3, the grinding step of monitoring. Does not allow the import of finished bearing rings and grinding burn grinding cracks exist, especially with the inner surface of a screwdriver-degree burns may not have. If the pickling should be carried out after full inspection rings, excised burn products, severe burns can not repair or rework defective and should be scrapped, grinding burn rings are not allowed to enter the assembly process. 
4, identity management, warehousing steel to the front ferrule after grinding, the process must be strict management and strict distinction between two different materials GCR15 and GCR15SIMN materials and products.
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