阀体机械制造技术专业课课程设计说明书

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1、课程设计说明书课程名称：机械制造技术题目：成批生产“阀体”零件机加工工艺规程及其钻夹具设计学院：机电学院教研室：机制专业：机械设计制造及自动化班级：学号：学生姓名：起讫日期：指导教师：职称：分管主任：审核日期：目录1设计任务书···················································11.1设计题目·················································11.2设计任务·······································

2、··········11.3设计要求·················································11.4设计零件图···············································22零件分析及毛坯设计···········································42.1零件的功用···············································42.2零件的结构及技术要求分析···················

3、··············42.3零件的材料及毛坯设计·····································53工艺规程设计·················································63.1零件结构工艺性分析·······································63.2定位基准选择·············································63.3加工工艺方案分析···························

4、··············73.4关键工序设计·············································93.5切削用量、时间定额的计算·································94夹具设计·····················································144.1指定工序的工艺分析···············································144.2定位方案分析及定位元件选择············

5、···························154.3定位误差的分析与夹紧力计算········································154.4夹紧方案设计及夹紧机构············································164.5夹紧结构及操作说明················································165设计小结·····················································1

6、66参考文献·····················································16一、设计任务书1.1设计题目设计课题：成批生产“阀体”零件机加工工艺规程及其夹具设计；设计零件：（参见图纸）；生产纲领：年产1万件成批生产；1.2设计任务设计的内容包括如下几个部分：零件图1张AutoCAD或CAXA绘图后打印毛坯图1张AutoCAD或CAXA绘图后打印机械加工工艺过程综合卡片1套Word＋AutoCAD或CAXA绘图后打印工艺装备设计（专用机床夹具）1套工艺规程制定后由指导老师指定，AutoC

7、AD或CAXA绘图后打印课程设计说明书1份Word排版后打印1.3、设计要求1.3.1总体要求：1）能熟练地运用机械制造技术课程中的基本理论，以及在生产实习中学到的实践知识，正确的解决一个零件在加工中的定位、夹紧及合理安排工艺路线等问题，以保证零件的加工质量。2）能完成基本的结构设计。学生通过亲手设计夹具（或量具）的训练，获得根据被加工零件的加工要求，设计出高效、省力，既经济合理，又能保证加工质量的夹具的结构设计能力。3）学会使用手册及图表资料。掌握与本设计有关的各种资料的名称及出处，并能够做到熟练运用。4）按时完成规定的设计工作

8、量1.3.2零件图和毛坯图要求：1）在分析产品零件图纸的基础上，完成零件图的绘制。注意审查图纸的结构和技术要求。2）根据产品零件图和给定的材料，设计产品毛坯制造结构及尺寸，完成毛坯图纸绘制。1.3.3工艺规程设计：1）确定所有加工表面的加工方法（链