高速精密电主轴与转子热装变形控制  

Thermal assembly deformation control of high speed precision motorized spindle and rotor

作　　者：陈焕新 张勇 李武斌 杜亮亮 兰辉 CHEN Huanxin;ZHANG Yong;LI Wubin;DU Liangliang;LAN Hui(Qinchuan Machine Tool&Tool Group Share Co.,Ltd.,Baoji 721009,CHN)

机构地区：[1]秦川机床工具集团股份公司,陕西宝鸡721009

出　　处：《制造技术与机床》2018年第10期120-123,共4页Manufacturing Technology & Machine Tool

基　　金：国产高档数控系统、数控机床在航空发动机盘、机匣类零件制造中的示范应用(2015ZX04001202)。

摘　　要：高速精密电主轴与转子在装配过程中极易发生变形,影响主轴的精度、振动及使用寿命,研究分析高速精密电主轴与转子装配变形产生的原因,通过提高零件加工精度、冷态扩张转子内孔使主轴恢复精度等工艺措施来控制主轴转子装配变形,保证高速精密电主轴与转子装配精度及稳定性。High-speed precision motorized spindle and rotor easily deform during assembly process,affecting the precision,vibration and service life of spindle.The article studies and analyzes the deformation causes.Technological processes are used to control the deformation of spindle and rotor during assembly,such as improving machining accuracy of parts,and restoring the spindle accuracy through cold expansion process of the rotor inner hole,and so on,so as to ensure assembly accuracy and stability of high speed precision motorized spindle and rotor.

关 键 词：主轴精度 转子 衬套 热装配变形 热缩应力 除应力 

分 类 号：TH162.2[机械工程—机械制造及自动化]