课程设计--CA6140拨叉加工工艺设计及加工Φ6孔的夹具设计

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1、辽宁工程技术大学课程设计 I 摘摘 要要 这次设计的是 CA6140 车床（831005）拨叉，包括零件图、 毛坯图、装配图各一张，机械加工工艺过程卡片和与工序卡 片各一张。首先我们要熟悉零件和了解其作用，它位于车床 变速机构中，主要起换档作用。然后，根据零件的性质和零 件图上各端面的粗糙度确定毛坯的尺寸和械加工余量。最后 拟定拨差的工艺路线图，制定该工件的夹紧方案， 画出夹具装配图。 就我个人而言，我希望能通过这次课程设计，了解并认 识一般机器零件的生产工艺过程，巩固和加深已学过的技术 基础课和专业课的知识，理论联系实际，从中锻炼自己分析 问题、解决问题的能力，为今后的工作打下一个良好的基础

2、， 并且为后续课程的学习打好基础。 辽宁工程技术大学课程设计 II AbstractAbstract This time I design the lathes of the shift forks CA6140(831005), including that the part pursuing , the blank pursues , assembling pursues , the machine work procedure card the working procedure card every sheet .We should know the part very well an

3、d know its effect first , it is worked in the organization which is used for change the speed in a lathe, and the mainly role of the part is alter the speed. Then, we design the dimension of the blank and instrument process a margin of the part according to part character and the harshness of each f

4、ace .Finally, I design the handicrafts route picture of the shift forks, work out the fastening motion scheme being workpieces turn , draw up clamp assembling picture. As far as my individual be concerned, I want to knowing the general productive technology of machine part , consolidating and deepening the knowledge of basic course and specialized course what I have already learned , integrates theory with practice, and improve the ability to solve problems, whats more , striking the bas