机床专用夹具中的定位和夹紧设计  

Positioning and Clamping Design of Machine Tool Special Fixture

作　　者：朱敏红[1] 杭国花 ZHU Min-hong;HANG Guo-hua(Jianghai Polytechnic College,Yangzhou 225001,China)

机构地区：[1]江海职业技术学院,江苏扬州225001

出　　处：《机械工程与自动化》2022年第6期118-119,122,共3页Mechanical Engineering & Automation

基　　金：江海职业技术学院“2021教学质量提升年”课题。

摘　　要：机械加工中常常使用机床专用夹具来辅助生产,零件在夹具中定位、夹紧方案的好坏直接影响到其加工质量。以实际生产中的真实案例为例,介绍了在设计夹具时如何确定零件的定位和夹紧方式,并分析了自由度数目、定位误差等因素对夹具设计的影响。During machining,special fixtures for machine tools are often used to assist production.The positioning of parts in the fixture and the quality of the clamping scheme directly affect their processing quality.Taking a real case in actual production,this paper introduces how to determine the positioning and clamping mode of parts in fixture design,and analyzes the influence of the number of degrees of freedom,positioning error and other factors on fixture design.

关 键 词：机床专用夹具 定位 夹紧 

分 类 号：TG751.1[金属学及工艺—刀具与模具]