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2017.11.10 23:48

10월 28일 가좌시장

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2017.10.28
가좌시장에서
아프리카공연단의 변검과 마술입니다!
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    Bella 2021.04.07 16:25
    FAG 21317E.TVPB bearing

    Heat treatment process method:


    Through the adjustment and control of process parameters such as quenching, cleaning, tempering temperature and time, the content of retained austenite in the bearing ring is reduced, the strength and toughness and wear resistance of the bearing ring parts are improved, and the expansion coefficient is controlled. Within the required range, it can improve the noise performance of the bearing after multiple installations, and also improve the reliability and service life of the bearing;


    Using the structural characteristics of the mesh belt furnace, through the adjustment and control of the quenching temperature and oil temperature, the thermal stress of the bearing ring parts during quenching can be reduced, which can greatly reduce the deformation of the thin-walled and large-size bearing ring parts;


    Preparatory heat treatment methods such as normalizing and high temperature tempering can also be used to make up for the gap with foreign bearing steel materials, which has a certain effect on improving the reliability and life of the bearing, but it will increase some production costs. The company uses it when conditions permit. It can also be used as an emergency method;


    Adopt advanced heat treatment processes such as carburizing, carbonitriding, cold treatment, ion implantation, surface coating, intermediate frequency quenching, bainite austempering, etc., which can significantly improve the impact toughness, microhardness and contact fatigue of bearing ring parts Life, wear resistance and service life, the company can use these heat treatment technologies to develop new bearing products when conditions permit;


    Four sets: "Determining operators, heat treatment equipment, process regulations, and work instructions" is an important measure for the quality assurance of heat treatment of bearing ring parts. Only operators strictly follow the process regulations and work instructions. In order to ensure the heat treatment quality of the bearing ring parts;


    Standardize, standardize, and simplify the complex heat treatment technology, and strive to be concise and easy to understand in the preparation of the process regulations and work instructions, so that the heat treatment operator understands how to do the work and how to do it well.

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