X30CrMoN15-1钢制双列调心滚子轴承外圈感应淬火工艺数值模拟及参数优化  

Numerical Simulation and Parameter Optimization of Induction Hardening Process for Double Row Spherical Roller Bearing Outer Ring Made of X30CrMoN15-1 Steel

作　　者：杨虎[1,2,3] 张文虎 谢鹏飞 郑金涛[4] 张松 YANG Hu;ZHANG Wenhu;XIE Pengfei;ZHENG Jintao;ZHANG Song(Luoyang Bearing Research Institute Co., Ltd.,Luoyang 471039,China;Henan Key Laboratory of High Performance Bearing Technology,Luoyang 471039,China;China International Science and Technology Cooperation Base for Digitization Design of High Performance Bearings, Luoyang 471039,China;School of Mechatronics Engineering, Henan University of Science and Technology, Luoyang 471003, China;Postdoctoral Workstation, Changzhou Guangyang Bearing Co., Ltd.,Changzhou 213001, China)

机构地区：[1]洛阳轴承研究所有限公司,河南洛阳471039 [2]河南省高性能轴承技术重点实验室,河南洛阳471039 [3]高性能轴承数字化设计国家国际科技合作基地,河南洛阳471039 [4]河南科技大学机电工程学院,河南洛阳471003 [5]常州光洋轴承股份有限公司博士后工作站,江苏常州213001

出　　处：《轴承》2021年第5期22-30,共9页Bearing

基　　金：国家自然科学基金青年科学基金项目(51905152);高端轴承摩擦学技术与应用国家地方联合工程实验室开放基金项目(201708)。

摘　　要：利用DEFORM有限元软件对某型号双列调心滚子轴承外圈感应淬火进行模拟,采用响应曲面法对工艺参数进行优化,并根据优化后工艺参数得到深冷处理前后滚道中心和密封槽底淬硬层深度以及滚道中心次表面残余压应力。结果表明:二次响应曲面能够很好地拟合外圈感应淬火模拟结果,淬硬层深度各影响因素显著程度由高到低依次为电流频率、电流密度和线圈转速,残余压应力各影响因素显著程度由高到低依次为线圈转速、电流密度和电流频率;最优工艺参数为线圈转速0.049 r/min、电流频率246.667 kHz和电流密度6.5×107 A/m2;深冷处理后,滚道中心淬硬层深度、密封槽底淬硬层深度、滚道中心次表面残余压应力以及滚道表面硬度分别为1.642 mm,0.608 mm,120 MPa和62.5 HRC;深冷处理能够有效增加淬硬层深度,降低残余压应力并提高淬火硬度;数值模拟结果与试验结果相比,误差在13%以内,具有良好的一致性。DEFORM is adopted to simulate the induction hardening of outer ring of a double row spherical roller bearing,and the response surface method is used to optimize the process parameters.According to optimized process parameters,the depth of hardened layer at raceway center and bottom of sealing groove before and after cryogenic treatment and residual compressive stress on subsurface of raceway center are obtained.The results show that the quadratic response surface can be well fitting the simulation results of outer ring induction hardening,and the significance of each factor for depth of hardened layer from high to low is current frequency,current density,coil speed,and the significance of each factor for residual compressive stress from high to low is coil rotational speed,current density,current frequency;the optimal process parameters are the coil speed of 0.049 r/min,the current frequency of 246.667 kHz,the current density of 6.5×107 A/m2;after cryogenic treatment,the depth of hardened layer at raceway center,the depth of hardened layer at bottom of sealing groove,the residual compressive stress on subsurface of raceway center,and the surface hardness of raceway are 1.642 mm,0.608 mm,120 MPa and 62.5 HRC respectively;the cryogenic treatment can be effective to increase the depth of hardened layer,reduce the residual compressive stress,and increase the hardening hardness;compared with experimental results,the numerical simulation results have an error within 13%,which has good consistency.

关 键 词：滚动轴承 双列调心滚子轴承 高氮钢 感应淬火 数值模拟 淬硬层 残余应力 深冷处理 

分 类 号：TH133.332[机械工程—机械制造及自动化] TG156.33[金属学及工艺—热处理]