机械5

摘要 本课题的目的就是对JS56角形轴承箱零件的机械加工工艺规程和顶部和左侧安装平面铣削夹具设计。首先先进行零件加工工艺分析，根据零件制订加工工艺规程，并对典型工序进行切削用量的计算和制定工艺卡片。这需要对制造工艺学和机床夹具设计学有较深入的学习研究。在这几个月里，通过查询和阅读大量有关的文献资料，在指导老师的辅导下，学生逐步完成了各项任务并和完善了该设计。 关键词：角形轴承箱；工艺过程；切削用量；工时：夹具设计。 Abstract The purpose of this paper is the fixture desig
n of diago
nal beari
ng box process pla
n
ni
ng a
nd fixture. First of all, a
nalyze the machi
ni
ng process, accordi
ng to the parts for processi
ng procedures, a
nd calculate the amou
nt of cutti
ng a
nd the developme
nt of process card for typical process. It is
necessary to lear
n more i
n-depth study of ma
nufacturi
ng tech
nology a
nd machi
ne tool fixture desig
n. I
n the last few mo
nths, readi
ng a lot of releva
nt docume
nts a
nd materials through the query a
nd, u
nder the guida
nce of the i
nstructor, stude
nts gradually completed the tasks a
nd improve the graduatio
n desig
n. Keywords: a
ngular beari
ng box; process; cutti
ng; time: fixture desig
n. 目录 摘要I Abstract II 1零件的分析1 1.1零件的结构分析1 1.2零件的技术要求分析1 1.3计算生产纲领，确定零件的生产类型2 2确定毛坯，画毛坯图3 2.1铸件尺寸公差3 2.2铸件机械加工余量3 2.3毛坯图4 3工艺规程设计5 3.1选择定位基准5 3.1.1粗基准的选择5 3.1.2精基准的选择5 3.2零件表面加工方法的选择6 3.3制定工艺路线6 3.4机械加工余量、工序尺寸的确定9 4.确立切削用量及基本工时10 5顶部和左侧安装平面铣削夹具夹具设计39 5.1研究原始质料39 5.2设计要求39 5.3夹具的组成39 5.4夹具的分类和作用40 5.5定位、夹紧方案的选择42 5.6切削力及夹紧力的计算42 5.7误差分析与计算46 5.8夹具设计及操作的简要说明47 总结49 参考文献50 致谢51