高温轴承钢套圈硬切削表面完整性试验研究  

Experimental Research of Surface Integrity for Hard Cutting High Temperature Bearing Steel Ring

作　　者：史慧楠 杨树新 闫佳山 孙重阳 Shi Huinan;Yang Shuxin;Yan Jiashan;Sun Chongyang(R&D Center,AECC Harbin bearing Co.,Ltd.,Harbin 150025,China)

机构地区：[1]中国航发哈尔滨轴承有限公司,哈尔滨市150025

出　　处：《工具技术》2023年第7期31-36,共6页Tool Engineering

摘　　要：通过采用PCBN刀具对淬火后8Cr4Mo4V高温轴承钢外圈内沟道表面进行硬切削加工试验,分析硬切削加工8Cr4Mo4V高温轴承钢套圈沟道的表面完整性,探究不同切削参数对已加工表面粗糙度、表面微观形貌、表面残余应力以及表面变质层等表面完整性指标的影响规律,综合分析各项指标并获得最优的切削参数。试验提出了硬切削代替粗磨加工的可行性,并为高温轴承钢套圈沟道硬切削参数的选取提供试验和数据基础。Through the experiment of hard cutting the inner groove surface of 8Cr4Mo4V high temperature bearing steel bearing ring with PCBN tool,the surface integrity of hard cutting bearing ring groove is analyzed,the effects of different cutting parameters on the machined surface roughness,surface micro morphology,residual stress and deteriorated layer are investigated,the optimal cutting parameters are obtained by comprehensively analyzing various indexes of surface integrity,the feasibility that hard cutting can replace grinding is put forward.The experimental and data basis for the selection of hard cutting parameters of 8Cr4Mo4V bearing ring groove are provided.

关 键 词：滚动轴承 硬切削 外圈沟道 表面完整性 

分 类 号：TG506[金属学及工艺—金属切削加工及机床] TH133.33[机械工程—机械制造及自动化]