可拼装轮胎模具夹具结构精度分析  

Precision analysis of fixture design for assembled tire mould

作　　者：徐其航[1] 林若波[1] 黄建新[1] 申利凤[1] 

机构地区：[1]揭阳职业技术学院机电工程系,广东揭阳522051

出　　处：《模具工业》2016年第4期60-63,共4页Die & Mould Industry

基　　金：揭阳市2013年度科技计划项目(201305)

摘　　要：设计了一套可替换拼接式轮胎模具的夹具,通过变换支撑架的安装位置和调节螺钉来调整适用于不同尺寸的轮胎模具,运用全微分法分别讨论切向角度和径向尺寸对总切向误差的影响,分析轮胎模具的夹具定位误差对工件精度的影响。结果表明:切向角度变化引起的切向误差比径向尺寸变化造成的切向误差大很多,最大程度限制切向角度误差可有效提高轮胎模具的加工精度。A set of alternative and splicing fixture for tire mould was designed, and it was applied in different sizes of fire mould by converting the mounting position of support frame. The influence of tangential angle and radial dimension on total tangential error was discussed by using total differentiation method, and the influence of fLxture location error on the accuracy of workpiece was analyzed. The results showed that the changes of tangen- tial angle led to tangential error was much larger than that of tangential dimensional. It would improve the tire mould machining accuracy effectively ff the tangential angle error was maximum limited.

关 键 词：夹具 全微分法 切向误差 定位误差 

分 类 号：TG754[金属学及工艺—刀具与模具] TG701