3MK133沟道磨床主轴系统结构改进设计及有限元分析  

The Structural Innovation of 3MK133 Groove Grinder's Spindle System and Its Finite Element Method Analysis

作　　者：华绍杰[1] 许莎[1] 夏伯乾[1] 郭红[1] 张少林[1] 

机构地区：[1]郑州大学机械工程学院,河南郑州450002

出　　处：《郑州大学学报（工学版）》2002年第3期48-52,共5页Journal of Zhengzhou University（Engineering Science）

摘　　要：针对 3MK133沟道磨床动静压主轴系统中 ,节流器浅沟容易堵塞及拆卸清洗不便等缺陷 ,提出采用端置式节流器替代原有的内置式浅沟节流器 ,变间隙节流为毛细管节流 ,并相应调整了主轴系统中圆锥轴承的锥度、回油通路、密封装置及密封方式 .有限元计算分析表明 :改进后的轴承具备动静压轴承压力分布的典型特点 ,有效提高了承载力 ,降低了摩擦功耗 ,具有良好的节流效果 。In this paper ,to overcome the shortcomings in 3MK133 Groove Grinder's hybrid spindle system that the shallow slots of the throttler are easy to be blocked and difficult to be disassembled to clean,we use the throttler which is put on the big-side surface of the conical bearing to replace the traditional throttler, change gap throttling to capillary throttling, and adjust the taper of the conical bearing , oil return way , seals and sealed mode. The finite element computation and analysis indicate that after innovation the bearing has the typical field distribution character , improves the load and reduces the friction power waste , the throttler works well, and it also maintains the good performances of the traditional spindle system.

关 键 词：3MM133沟道磨床 主轴系统 结构 有限元分析 节流器 动静压轴承 

分 类 号：TG580.23[金属学及工艺—金属切削加工及机床]