毕业设计（论文）-基于CA6140的后托架及夹具的设计开发精选.doc

基于CA6140的后托架及夹具的设计开发 姓 名： 班 级：机电一体化技术 指导老师： 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，加工余量，定位方案，夹紧力 Based on CA6140 lathe fixture after the brackets and the design and development 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 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 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, the surplus of processing, orient the scheme, clamp strength 目录 第1章 前 言··························································4 1.1 本题目的意义·················································4 1.2 铸造生产在制造业的地位······································4 1.3 我国制造业的现状············································4 1.4 我国铸造业的现状············································4 第2章 CA6140车床后托架的零件分析·····································6 2.1 后托架的作用和结构··········································6 2.2 后托架的工艺分析············································6 第3章 CA6140车床后托架的工艺规程设计································9 3.1 确定毛坯的材料···············································9 3.2 确定毛坯的制造形式··········································9 3.3 基面的选择······································