不同工艺参数对整体式自润滑关节轴承旋压装配成形的影响  

Effect of different process parameters on spinning assembly of integral self-lubricating spherical plain bearing

作　　者：曹晓彬 华希俊[1] 平国峰 彭锐 纪星 朱伟 陈亚林 CAO Xiao-bin;HUA Xi-jun;PING Guo-feng;PENG Rui;JI Xing;ZHU Wei;CHEN Ya-lin(School of Mechanical Engineering,Jiangsu University,Zhenjiang 212013,China;Jiangsu CCTY Bearing Co.,Ltd.,Zhenjiang 212013,China)

机构地区：[1]江苏大学机械工程学院,江苏镇江212013 [2]江苏希西维轴承有限公司,江苏镇江212013

出　　处：《塑性工程学报》2022年第1期94-101,共8页Journal of Plasticity Engineering

基　　金：陕西省自然科学基础研究计划项目(2019JM-466);陕西省教育厅专项科研计划项目(21JK0562);陕西理工大学研究生创新基金资助项目(SLGYCX2027)。

摘　　要：针对整体式自润滑关节轴承传统挤压装配中出现的成形过程不可控和衬垫易损伤问题,为了提升成品率,研究了一种三轮旋压装配成形工艺过程,分析了不同工艺参数在装配成形中的影响规律并确定合适的参数,以便后期快速设置和确定优化方案。利用ABAQUS有限元软件对旋压装配成形过程进行模拟,分析了不同旋压行程下外圈成形及衬垫受压状态以及不同工艺参数下外圈应力应变和旋压力变化规律。结果表明:旋压可以成功对整体式自润滑关节轴承进行装配成形,当旋压行程在8.91~9.31 mm范围内,衬垫与内圈外表面贴合良好,未产生过压;当进给率为0.27 mm·r^(-1)、摩擦因数为0.30、旋轮外廓半径为91 mm时,应力和旋压力变化幅度最小,此时外圈成形均匀,衬垫损伤小,成形质量最佳。Aiming at the problems of uncontrollable forming process and damageable liner in traditional extrusion assembly of integral self-lubricating spherical plain bearing,a three-wheel spinning assembly forming process was studied to improve the yield.The effect of different process parameters in assembly forming was analyzed and the appropriate parameters were determined,so that the optimization scheme could be quickly set up and determined in later stage.The spinning assembly process was simulated by ABAQUS finite element software,and the forming state of outer ring and the compression state of liner were analyzed with different spinning strokes,as well as the changing rule of stress,strain and spinning pressure of outer ring with different process parameters.The results show that the integral self-lubricating spherical plain bearing can be assembled and formed successfully by spinning.When the spinning stroke is in the range of 8.91-9.31 mm,the liner fits well with the outer surface of the inner ring without overpressure.When the feed rate is 0.27 mm·r^(-1),the friction factor is 0.30,and the outer radius of roller is 91 mm,the variation range of stress and spinning pressure is the smallest.At this time,the outer ring is formed uniformly,the liner damage is small,and the forming effect is the best.

关 键 词：整体式自润滑关节轴承 旋压装配 工艺参数 成形质量 

分 类 号：TH133.31[机械工程—机械制造及自动化] TH164