汽车后桥壳法兰加工专用机床设计与研究  

Design and research of special machine tool for flange processing of automobile rear axle housing

作　　者：霍洪旭 汪宗泉 白雅静 HUO Hongxu;WANG Zongquan;BAI Yajing(Shenyang Branch,General Technology Group Machine Tool Engineering Research Institute Co.,Ltd.,Shenyang 110142,CHN;Shenyang Machine Tool Co.,Ltd.,Shenyang 110142,CHN)

机构地区：[1]通用技术集团机床工程研究院有限公司沈阳分公司,辽宁沈阳110142 [2]沈阳机床股份有限公司,辽宁沈阳110142

出　　处：《制造技术与机床》2025年第1期48-54,共7页Manufacturing Technology & Machine Tool

摘　　要：为提高新能源汽车后桥壳法兰加工精度和加工效率,将原生产工艺进行集中优化,研发专用车削中心。该机床通过一次装夹,实现一端法兰加工,完成车端面、攻螺纹、车外圆、钻孔和镗孔等工序。利用SolidWorks2022建模与Smiulation有限元分析,确定90 N为极限抚平压力。并经切削验证67.5 N压力下满足图纸要求,加工节拍可达24.41 pcs/h,满足年产10万件需求,为汽车行业同类型法兰件自动化加工提供了有效的解决方案。In order to enhance the precision and efficiency of flange processing for new energy vehicle rear axle housings,an optimized dedicated turning center was developed.This machine achieves one-time clamping for flange processing on one end,encompassing operations like face turning,threading,external turning,drilling,and boring.Leveraging SolidWorks2022 modeling and Simulation finite element analysis,a maximum allowable smoothing pressure of 90 N was determined.Cutting tests verified compliance with drawing specifications at 67.5 N pressure,achieving a production rate of 24.41 pcs/h,meeting an annual output target of 100000 units.This development offers an effective automation solution for similar flange parts in the automotive industry.

关 键 词：后桥壳 法兰 专用机床 抚平机构 有限元 

分 类 号：TH122[机械工程—机械设计及理论]