工艺工装课程设计-连接座的机械加工工艺规程及孔加工机床夹具设计

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1、工艺工装课程设计说明书设计题目：连接座的机械加工工艺规程及孔加工机床夹具设计学校：梧州学院专业：机械设计制造及其自动化学生姓名：学号：指导老师：2011年6月1日-23-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、

2、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1~3张（指导老师指定）。-23-工艺工装课程设计目录一、零件分析1.零件的作用····················

3、····································32.零件的工艺分析····················································33.确定零件的生产类型················································4二、确定毛坯类型绘制毛坯草图1.选择毛坯··························································52.确定毛坯的尺寸公差和机械加工余量··································53.绘制连接座铸造

4、毛坯简图············································6三、工艺规程设计1.定位基准的选择····················································62.拟定工艺路线-23-······················································73.加工设备及工艺装备的选用··········································94.加工余量、工序尺寸和公差的确定···································105.切

5、削用量的计算···················································136.时间定额的计算···················································15四、专用钻床夹具设计1.夹具设计任务·····················································162.拟定钻床夹具结构方案与绘制夹具草图·······························163.绘制夹具装配总图············································

6、·····194.夹具专用零件图设计绘制···········································19致谢·······························································22-23-参考文献···························································22附录·······························································22一、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

7、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3个螺栓固定，实现水泵与电动机的连接，从而起连接固定作用2.零件的工艺分析由零件图可知，其材料为HT200，该材料为灰铸铁，具有较高强度，耐磨性，耐热性及减振性，适用于承受较大应力,要求耐磨的零件,通常可用作机座、泵体的连接座等。连接座共有两组加