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1、成都理工大学毕业设计（论文）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
2、余量，定位方案，夹紧力第44页成都理工大学毕业设计（论文）BasedonCA6140lathefixtureafterthebracketsandthedesignanddevelopmentAbstract：Enableproducingthetargetinprocessofproduction(rawmaterials,theblank,stateofqualityandquantityonpartbecomealways)takeplacedirectcourseofchangeaskcraft
3、course,iftheblankismade,machining,heattreatment,assembleetc.andcallitthecraftcourse.Inthecourseofmakingthecraft,isitconfirmeveryerectorlocationandworkerstepthatprocessneedthisofprocesstowant,thelocomotiveofprocessing,thisprocess,andtheenteringthegivingam
4、ountofthelathe,cutdepth,therotationalspeedofthemainshaftandspeedofcutting,thejigofthisprocess,thecutterandmeasuringtool,aonehundredsheetsofnumberoftimesstillleavesandaonehundredsheetsoflengthleaves,calculatebasictimeofthisprocess,auxiliarytimeandservicet
5、imeofplaceofworkingfinally.Keywords：Theprocess,workerone,thesurplusofprocessing,orientthescheme,clampstrength第44页成都理工大学毕业设计（论文）目录第1章前言··························································41.1本题目的意义·················································41.
6、2铸造生产在制造业的地位······································41.3我国制造业的现状············································41.4我国铸造业的现状············································4第2章CA6140车床后托架的零件分析·····································62.1后托架的作用和结构······················
7、····················62.2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································93.1确定毛坯的材料···············································93.2确定毛坯的制造形式··········································93.3基面的选择··
8、················································103.4第44页成都理工大学毕业设计（论文）制定工艺路线················································123.5机械加工余量、工序尺寸及毛坯尺寸的确定·····················133.6确定切削用量及基本工时····································
