毕业设计（论文）-阀体件的加工工艺及夹具设计（全套图纸三维）.doc

蝶阀阀体的工艺工装设计目 录摘要……………………………………………………………………………………………4绪论……………………………………………………………………………………………61、零件的分析……………………………………………………………..…………....71.1、零件的作用……………………………………………………………………………71.2、零件的技术要求…………………………………………………..72、确定毛坯、画毛坯—零件合图……………………………….122.1、确定毛胚的制造形式及材料……………………………………..122.2、机械加工余量、工序尺寸及毛坯尺寸的确定…………………..132.3、选择加工设备及刀、夹、量具……………………………………133、工艺规程设计…………………………………………………….173.1、定位基准的选择……………………………………………….....173.2、定位元件………………………………………………….. ……..173.3、切削力及夹紧力的计算…………………………………. ………183.4 加工工序设计…………………………………………………………………194、镗孔夹具的设计………………………………………………....................204.1定位基准的选择…………………………………………………….204.2切削力的计算与夹紧力分析……………………………………….204.3夹紧元件及动力装置确定………………………………………….214.4定位销及夹具体设计……………………………………………….224.5夹具精度分析……………………………………………………….235、钻孔夹具的设计………………………………………………....................205.1定位基准的选择…………………………………………………….205.2切削力的计算与夹紧力分析……………………………………….205.3夹紧元件及动力装置确定………………………………………….215.4夹紧装置的设计…………………………………………………….225.5夹具操作的简要说明……………………………………………….23小结…………………………………………………………………………………………....24致谢………………………………………………………………………………………........25参考文献……………………………………………………………………………………26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，工位，工步，加工余量，定位方案，夹紧力全套图纸，加153893706AbstractEnable 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 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 shaft 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