首页> 外国专利> HEAT TREATMENT METHOD OF RING-SHAPED MEMBER, PRODUCTION METHOD OF RING-SHAPED MEMBER, BEARING RING OF ROLLING BEARING AND ROLLING BEARING

HEAT TREATMENT METHOD OF RING-SHAPED MEMBER, PRODUCTION METHOD OF RING-SHAPED MEMBER, BEARING RING OF ROLLING BEARING AND ROLLING BEARING

机译:环型构件的热处理方法,环型构件的制造方法,轧制轴承的支承环和轧制轴承

摘要

PROBLEM TO BE SOLVED: To provide a heat treatment method for a ring-shaped member capable of forming a ring-shaped hardened region homogeneous in the circumferential direction while suppressing the production cost of a hardening apparatus, and capable of suppressing decarbonization and hardening crack on a surface, and a production method of a ring-shaped member.SOLUTION: A heat treatment method of a ring-shaped member includes a step of forming a ring-shaped heating region heated to a temperature equal to or higher than an Apoint to a compact 10 by relatively rotating a coil 21 that is arranged so as to face a rolling face 11 of a ring-shaped compact 10 made of steel and heats by induction the compact 10 along a circumferential direction of the compact 10, and a step of simultaneously cooling an entire heating region to a temperature equal to or lower than a M. In the step of heating the heating region, the compact is heated such that a maximum arrival temperature of a surface temperature of the compact is 1000°C or lower.SELECTED DRAWING: Figure 2
机译:解决的问题:提供一种用于环状构件的热处理方法,该环状构件能够在抑制硬化装置的制造成本的同时形成在圆周方向上均匀的环状硬化区域,并且能够抑制脱碳和硬化裂纹。解决方案:环形构件的热处理方法包括以下步骤:形成被加热到等于或高于温度的环形加热区域。通过使线圈21相对旋转来使成型体10旋转,该线圈21被布置成面对由钢制成的环形成型体10的滚动面11,并且通过沿成型体10的圆周方向感应成型体10而对其进行加热,并且同时进行步骤将整个加热区域冷却至等于或低于M的温度。在加热加热区域的步骤中,将压块加热,以使表面温度达到最大压实体的温度为1000°C或更低。选图:图2

著录项

  • 公开/公告号JP2017210631A

    专利类型

  • 公开/公告日2017-11-30

    原文格式PDF

  • 申请/专利权人 NTN CORP;

    申请/专利号JP20160102348

  • 发明设计人 YUKI KEIJI;OKI TSUTOMU;

    申请日2016-05-23

  • 分类号C21D9/40;C21D1/10;F16C33/64;

  • 国家 JP

  • 入库时间 2022-08-21 13:10:52

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