Rolling bearing assembly
Rolling bearing assembly
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Non-standard bearing manufacturing just the requirement of smelting
by：Waxing
2020-11-15
Non-standard bearing manufacturing just the requirement of smelting source: bearing | last updated: - 2020
07 -
21 non-standard bearing manufacturing just smelting requirements for non-standard bearing steel, surface defects including cracks, slag inclusion, burr, scarring, scale, etc. , internal defects including shrinkage cavity, bubbles, white spots, such as severe osteoporosis and segregation.
These defects for the processing of non-standard bearing, non-standard bearing performance and life has a great influence, explicitly stipulated in the non-standard bearing material standard is not allowed. These defects.
Carbide inhomogeneity requirements in non-standard bearing steel, if there is a serious uneven distribution of carbide, are in the process of heat treatment process is easy to cause tissue and uneven hardness, the organization of the steel inhomogeneity has a larger effect on contact fatigue strength.
In addition, the serious carbide inhomogeneity is easy to make non-standard bearing parts during quenching cracks, carbide inhomogeneity will results in the decrease of non-standard bearing life, therefore, in the material standard, non-standard bearing of different specifications of the steel have clear special requirements.
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