JERAJournal of Electronic Research and Application2208-35022208-3510Bio-Byword Scientific Publishing Pty. Ltd.10.26689/jera.v4i1.1147Articlehttps://artdesignp.com/journal/JERA/4/1/10.26689/jera.v4i1.1147DiaoJianbing,TangShidong,LuRuiyuan,ZhaoYouling,JiangChangfu,XueWenbin2020412020-04-03The correct use of the conical interlocks in the automobile mold can keep the mold stability unchanged, and the mold stability does not change with the parallel accuracy of the bed. In this way, repeated research and development and repeated debug are avoided to obtain stable quality parts.