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Discussion and implementation of new technology for heat treatment of bearing data

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1. The bainite quenched bainite austempering bearing has good impact toughness and external compressive stress; whether it is cracking during installation, it is still the tendency of the casing to block the block and the inner casing to break. The 铱 档 档 鲎 鲎 鲎 因而 因而 因而 因而 因而 因而 因而 因而 因而 因而 因而 因而 因而 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承 轴承The bearing used. The process is compared with other life extension methods; the process is simple; the cost is low. In these years; China has developed a new steel gcr18mo bainite quenching special steel; to promote the application of bainite quenching on large-scale bearing parts In view of the many advantages of the process; advocated in the use of bearings with harsh conditions (large impact load, poor smoothness, etc.) or high reliability of demand; and further study the wear resistance and fatigue life after bainite treatment .
2. The external carbonitriding Luoyang Bearing Research Institute started the martensitic stress quenching of bearing steel in the 1980s; after special carbonitriding quenching of high carbon chromium bearing steel parts; progressing the appearance of residual austenite The content of the body; improve the external stress state; greatly improve the carbonitriding of the gearbox; improve the residual austenite content on the surface without reducing the appearance hardness; to improve the fatigue life and reliability of the bearing under the condition of smooth pollution Sex.

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