摘要
针对实际生产中关节轴承内外圈装配间隙过大或者过小等现象,以某型号关节轴承为研究对象,将实际测量的内外圈装配间隙带入模型中,采用LS-DYNA软件对关节轴承挤压过程进行仿真,并分析装配间隙对轴承挤压工艺的影响。研究结果表明:随着装配间隙的增大,内外圈五点距离的检测值也随之增大,衬垫最大接触压力逐渐减小,轴承密合度存在最优值,由增长率均值可知装配间隙对轴承端部的影响最大,向轴承中部递减。综合考虑轴承质量、衬垫最大接触压力等因素,获得YSG502S12自润滑关节轴承内外圈装配间隙的合理取值范围为(0. 05～0. 10) mm。试验验证结果表明,仿真以及合理范围的准确有效。
For the excessive or small assembly clearance between the inner and outer ring of the spherical plain bearing in the production, the extrusion process of bearing with the actual assembly clearance was simulated based on the finite element software LS-DYNA, and analyzed the influence of assembly clearance on extrusion process. The results show that with the increase of assembly clearance, the detection value of five points in the inner and outer ring also increases, the maximum pressure on the PTFE liner decreases gradually, and the bearing osculation has an optimal value within the scope of assembly clearance. From the average growth rate, it can be seen that the assembly clearance has the greatest impact on the end of the bearing and decreases to the middle of the bearing. Comprehensively considering the bearing quality and the maximum pressure on the PTFE liner, the reasonable range of assembling clearance is( 0. 05-0. 10 ) mm. The experiment results show that the simulation and the reasonable range are accurate and effectual.
作者
辛亮亮
王秀梅
张雷
Xin Liangliang;Wang Xiumei;Zhang Lei
出处
《计量与测试技术》
2019年第3期73-76,共4页
Metrology & Measurement Technique
关键词
关节轴承
装配间隙
挤压工艺
有限元分析
spherical plain bearing
assembly clearance
extrusion process
finite element analysis
