郑金涛,张文虎,邓四二,徐海峰

• 1:河南科技大学机电工程学院
• 2:河南科技大学高端轴承摩擦学技术与应用国家地方联合工程实验室
• 3:辽宁重大装备协同创新中心
• 4:钢铁研究总院

摘要(Abstract)：

基于电磁场-温度场-组织场-应力应变场耦合模型,利用DEFORM软件模拟双列调心滚子轴承内圈感应淬火过程,并提出分段电流密度的淬火工艺,研究了轴承内圈感应淬火过程中温度变化、组织演变以及表层与次表层硬度、残余应力和残留奥氏体等。结果表明:分段电流密度的感应淬火方法能够使轴承内圈淬硬层均匀分布;加热效率随线圈电流密度增加而增大,且尖角位置温度会出现突变;淬火后滚道表面残留奥氏体含量约为6.97%,马氏体含量约为92.3%,表面硬度约为60.9 HRC,滚道淬硬层约为2.97 mm;深冷处理后残留奥氏体含量与残余应力降低,马氏体含量与硬度均提高;残余应力沿内圈中心径向平面对称分布,且次表层残余应力最大;数值模拟结果与试验具有一致性。

关键词(KeyWords)： 双列调心滚子轴承;感应淬火;数值模拟;分段电流密度;深冷处理

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金青年科学基金(51905152);; 河南省自然科学基金(162300410086);; 河南省科技攻关计划(172102210254)

作者(Author): 郑金涛,张文虎,邓四二,徐海峰

DOI: 10.13289/j.issn.1009-6264.2019-0381

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