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Four steps in the production of imported bearing rings


1. Forging: If the over-burning, overheating, and internal cracking into mesh carbides occur during the forging process, the toughness and strength of the ferrule will be reduced. Therefore, the processing temperature, circulating heating and post-forging heat dissipation conditions (such as spray cooling) must be strictly controlled. Especially after the final forging of larger varieties of ferrules, the temperature should be above 700 °C, and should not be stacked.

2. Heat treatment: Close monitoring of heat treatment equipment is an important task in the workshop. Monitor the reliability of the equipment. Important temperature control devices such as instruments and thermocouples must be closely monitored to ensure accurate and reliable measurement data; timely replacement of errors exceeding the standard is strictly prohibited.

3. Monitoring of the grinding process. Finished bearing ferrules are not allowed to have abrasive burns and grinding cracks, especially on the mating surface of the inner ring taper. If the ferrule is pickled, it should be fully inspected, and the burned product should be removed. If the burn is not repaired or the repair is unqualified, it should be scrapped. The ferrule with grinding burn is not allowed to enter the assembly process.

4, label management, steel into the warehouse before the ferrule grinding, the process must be strictly managed, strictly distinguish between GCR15 and GCR15SIMN two different materials and products.