设计“阀体”零件的机械加工工艺规程及加工M×HH螺纹孔工艺装备.docVIP

一、设计题目　　 设计“阀体”零件的机械加工工艺规程及加工4-M12×1.25-8H9H螺纹孔工艺装备。 二、原始资料 (1) 被加工零件的零件图 1张 (2) 生产类型:中批或大批大量生产 三、上交材料 (1) 被加工工件的零件图 1张 (2) 毛坯图 1张 (3) 机械加工工艺过程综合卡片(参附表1) 1张 (4) 与所设计夹具对应那道工序的工序卡片 1张 (4) 夹具装配图 1张 (5) 夹具体零件图 1张 (6) 课程设计说明书(5000～8000字) 1份 四、指导教师评语 成 绩： 指导教师　　　　　　　 日　　期　　　　　　　 摘　要 分析阀体零件的零件工艺分析，确定其生产类型，然后确定毛坯的种类与制造方法，设计其机械加工工艺规程及工艺装备，并绘制出阀体零件图、毛坯图、夹具装配图和夹具零件图，填写机械加工工艺过程卡片及机械加工工序卡片，编制课程设计说明书。 了解阀体零件的结构以及所要加工的工序，根据其加工特点和生产类型来确定零件的定位方式，设计其夹紧装置。本设计题目是加工四个孔径相同的螺纹孔，因此应根据其加工精度与表面粗糙度选择可行的、合理的夹具。该零件的夹具设计应具有工作可靠、效率高的特点，在操作方面，操作安全、省力、夹紧迅速，并且便于制造与维修。 Abstract 　 The analysis valve chest components components craft analysis, determined its production type, then the determination semifinished materials type and the manufacture method, design its machine-finishing technological process and the craft equipment, and draws up the valve chest detail drawing, the semifinished materials chart, the jig assembly drawing and the jig detail drawing, the filling in machine-finishing technological process card and the machine-finishing working procedure card, the establishment curriculum designs the instruction booklet. Understood the valve chest components the structure as well as must process the working procedure, according to its processing characteristic and the production type determined the components the locate mode, designs its clamp.This design topic processes four aperture same threaded holes, therefore should act according to its processing precision and the surface roughness choice feasible, the reasonable jig.This components jig design should have the work reliably, the efficiency high characteristic, in the operation aspect, the operational safety, reduces effort, the clamp is rapid, and is advantageous for the manufacture and the service. 目 录 序言…………………………