1、 本科毕业设计（论文） CA6140 车床后托架 加工工艺及夹具设计 学生姓名： 学生学号： 院 （系） ： 年级专业： 指导教师： 年月 本科毕业设计（论文） 摘 要 I 摘 要 在生产过程中，使生产对象（原材料，毛坯，零件或总成等）的质和量的状 态发生直接变化的过程叫工艺过程，如毛坯制造，机械加工，热处理，装配等都 称之为工艺过程。在制定工艺过程中，要确定各工序的安装工位和该工序需要的 工步，加工该工序的机车及机床的进给量，切削深度，主轴转速和切削速度，该 工序的夹具，刀具及量具，还有走刀次数和走刀长度，最后计算该工序的基本时 间，辅助时间和工作地服务时间。 关键词 工序，工艺，工步，加工
2、余量，定位方案，夹紧力 本科毕业设计（论文） Abstract II ABSTRACT Enable producing the target in process of production (raw materials, the blank , state of quality and quantity on part become always ) take place direct course of change ask craft course, if the blank is made, machining, heat treatment , assemble etc. and
3、call it the craft course. In the course of making the craft , is it confirm every erector location and worker step that process need this of process to want, the locomotive of processing , this process , and the entering the giving amount of the lathe, cut depth , the rotational speed of the main sh
4、aft and speed of cutting, the jig of this process, the cutter and measuring tool, a one hundred sheets of number of times still leaves and a one hundred sheets of length leaves, calculate basic time of this process , auxiliary time and service time of place of working finally. Keywords： The process, worker one, workers step , the surplus of processing, orient the scheme , clamp stren
