填料箱盖零工艺规程与夹具设计 摘要 本文是对填料箱盖零件加工应用及加工的工艺性分析，主要包括对零件图的分析、毛坯的选择、零件的装夹、工艺路线的制订、刀具的选择、切削用量的确定、加工工艺文件的填写。选择正确的加工方法，设计合理的加工工艺过程。此外还对填料箱盖零件的两道工序的加工设计了专用夹具. 机床夹具的种类很多，其中，使用范围最广的通用夹具，规格尺寸多已标准化，并且有专业的工厂进行生产。而广泛用于批量生产，专为某工件加工工序服务的专用夹具，则需要各制造厂根据工件加工工艺自行设计制造。 关键词：填料箱盖，加工工艺，加工方法，工艺文件，夹具 Abstract This paper is a
n a
nalysis of the processi
ng applicatio
n a
nd processi
ng tech
nology of stuffi
ng box cover parts, mai
nly i
ncludi
ng the a
nalysis of part drawi
ngs, the selectio
n of bla
nks, the clampi
ng of parts, the formulatio
n of process routes, the selectio
n of cutti
ng tools, the determi
natio
n of cutti
ng parameters, a
nd the filli
ng of processi
ng tech
nology docume
nts. Choose the correct processi
ng method a
nd desig
n a reaso
nable processi
ng process. I
n additio
n, a special fixture is desig
ned for the processi
ng of two processes of stuffi
ng box cover parts There are ma
ny ki
nds of machi
ne tools a
nd fixtures. Amo
ng them, the most widely used ge
neral-purpose fixtures have bee
n sta
ndardized i
n ma
ny sizes a
nd have bee
n produced by professio
nal factories. The special fixture widely used i
n mass productio
n a
nd specially servi
ng a workpiece processi
ng process
needs to be desig
ned a
nd ma
nufactured by each ma
nufacturer accordi
ng to the workpiece processi
ng tech
nology. Key words: stuffi
ng box cover, processi
ng tech
nology, processi
ng method, process docume
nt, fixture 目录 摘要2 Abstract 3 第1章绪论6 1.1机械加工工艺概述6 1.2机械加工工艺流程6 1.3夹具概述7 1.4机床夹具的功能7 1.5机床夹具的发展趋势8 1.5.1机床夹具的现状8 1.5.2现代机床夹具的发展方向9 第2章零件的分析10 2.1零件的作用10 2.2零件的工艺分析10 第3章工艺规程设计10 3.1毛坯的制造形式10 3.2基准面的选择10 3.2.1粗基准的选择11 3.2.2精基准的选择11 3.3制订工艺路线11 3.3.1工艺线路方案一11 3.3.2工艺路线方案二12 3.3.3工艺方案的比较与分析12 3.4机械加工余量、工序尺寸及毛坯尺寸的确定13 3.5确定切削用量及基本工时14 3.5.1工序Ⅰ：铣削端面14 3.5.2工序Ⅱ：粗车65,80,75,100外圆以及槽和倒角15 3.5.3工序Ⅲ钻扩mm、及锪孔。转塔机床C365L 18 3.5.4工序Ⅳ钻6—13.5, 2-M10-6H, 4-M10-6H深孔深24 20 3.5.5工序Ⅴ：精铣Φ65mm的外圆及与Φ80mm端面22 3.5.6工序Ⅵ：精、粗、细镗mm孔24 3.5.7工序Ⅶ：铣Φ60孔底面24 3.5.8工序Ⅷ：磨Φ60孔底面25 3.5.9工序Ⅸ：镗Φ60mm孔底沟槽26 3.5.10工序Ⅹ：研磨Φ60mm孔底面26 第5章钻6-φ13.5孔分度钻床夹具设计27 5.1夹具的设计27 5.1.1定位分析27 5.1.2定位原理27 5.1.3定位元件的分析28 5.1.4夹紧元件的选择28 5.1.5定位误差的分析29 5.1.6切削力及夹紧力的计算30 5.2夹具设计及操作的简要说明31 总结33 致谢34 参考文献35