1、 摘 要 I 毕业设计(论文) 拨叉 C 加工 工艺及夹具设计 摘 要 II 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,加工余量,定位方案,夹紧力 Abstract III ABSTRACT Enable produci
2、ng 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 call it the craft course. In the course of making the craf
3、t , 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 shaft and speed of cutting, the jig of this process, the cut
4、ter 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. Key words The process, worker one, workers step , the surplus of processing, orient the scheme , clamp stren 序言 机械制造工艺学设计是在我们学完了大学的全部基础课, 技术基础课以及大 部分专业课之后进行的。 这是我们在进行毕业设计之前对所学各课程的一次深入 的综合性的总复习,也是一次理论联系实际的训练,因此,它在我们四年的大学 生活中占有重要的地位。