连接座课程设计说明书

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1、HefeiUniversity夹具课程设计COURSEPROJECT题目：连接座课程设计系别：机械工程系专业：机械设计制造及自动化学制：四年姓名：晨露学号：指导老师：2012年6月24日2合肥学院机械制造技术学课程设计任务书题目：“连接座”零件的机械加工工艺规程及工艺装备（年产量为6000件）内容：1.零件图1张2.毛坯图1张3.机械加工工艺过程综合卡片1张4.结构设计装配图1张5.结构设计零件图1张6.课程设计说明书1张2设计内容及要求在指导老师的指导下，面向机械加工类企业所具备的条件，针对给定零件图样及其生产纲领制定该零件的机械加

2、工工艺过程及其一道工序的工艺规程，并设计该道工序的专用机床夹具（指导老师指定），具体完成的内容、形成和要求如下：1.撰写课程设计计算说明书说明书部分的内容包括：零件图分析：确定毛坯钟类、制造方法、加工余量；拟定该零件的机械加工工艺过程，包括定位基准选择、表面加工方案的对比分析，各工序的加工设备和工艺装备（刀具、夹具、量具和辅具）确定；各工序的加工余量、工序尺寸及公差的确定；工序的切削用量选择；工序的时间定额计算；工艺过程技术经济分析；夹具的定位方案、夹紧方案和主要参数拟定；定位元件选择；定位误差计算；夹紧力计算；夹具的其他分析、计算和

3、校核等。要求说明书字数不少于8000字。2.加工工艺规程卡片①该零件的机械加工工艺过程卡②该零件机械加工工艺过程指定工序的工序卡（提出专用机床夹具设计任务书）。3.图纸部分①绘制该零件毛坯图1张。②指定工序的专用机床夹具装配图1张。③专用机床夹具的主要零件图1张（指导老师指定）。-27-工艺工装课程设计目录一、零件分析1.零件的作用························································52.零件的工艺分析·····································

4、···············53.确定零件的生产类型················································6二、确定毛坯类型绘制毛坯草图1.选择毛坯··························································72.确定毛坯的尺寸公差和机械加工余量··································73.绘制连接座铸造毛坯简图···········································8三、工艺规

5、程设计1.定位基准的选择····················································82.拟定工艺路线······················-27-·······························93.加工设备及工艺装备的选用·········································124.加工余量、工序尺寸和公差的确定···································135.切削用量的计算···················

6、································156.时间定额的计算···················································16四、专用钻床夹具设计1.夹具设计任务·····················································192.拟定钻床夹具结构方案与绘制夹具草图·······························203.绘制夹具装配总图·······································

7、··········224.夹具专用零件图设计绘制···········································225.工序卡片·························································23-27-致谢·······························································26参考文献···························································2

8、6一、零件分析1.零件的作用该零件是离心式微电机水泵上的连接座，是用来连接水泵和电机的.左端Ф125外圆与水泵泵壳连接，水泵叶轮在Ф100孔内，通过4个螺钉固定;右端Ф121外圆与电动机机座连接,Ф40孔与轴承配合,通过