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轴承套圈淬火变形因为影响的因素错综复杂,是轴承热处理中的老、大、难问题。比较普遍的看法,认为淬火过程中的组织应力和热应力是引起淬火变形的主要因素。但是,淬火前应力的影响往往没有引起足够的重视,因为一般认为此应力在淬火加热过程中会予以消除;同时由于淬火加热和冷却缺乏规律性,使它对变形的影响不能很有规律地暴露出来。我厂轴承自动线生产中,由于淬火加热和冷却很有规律,因此淬火前应力对变形的
Bearing ring hardening distortion because of the complex factors that affect the bearing heat treatment in the old, big, difficult problem. More common view, that the process of quenching the organization of stress and thermal stress is the main cause of quenching deformation. However, the influence of stress before quenching is often not enough attention, because it is generally believed that the stress quenching process will be eliminated; the same time due to the lack of quenching heating and cooling, so that its deformation can not be very regularly exposed come out. I plant automatic bearing production line, due to quenching and cooling of a very regular cooling, quenching before the stress on the deformation