河南机电高等专科学校毕业设计说明书论文题目:左支座零件的机械加工工艺规程及工艺装备设计系部:机械工程系专业:计算机辅助设计与制造班级:机计074学生姓名:马帅学号:070115442指导教师:王学让2010年05月10日河南机电高等专科学校毕业设计摘要在生产过程中,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:工艺规程;定位误差;夹紧;加工余量;夹紧力ABSTRACTEnableproducingthetargetinprocessofproduction(rawmaterials,theblank,stateofqualityandquantityonpartbecomealways)takeplacedirectcourseofchangeaskcraftcourse,iftheblankismade,machining,heattreatment,assembleetc.andcallitthecraftcourse.Inthecourseofmakingthecraft,isitconfirmeveryerectorlocationandworkerstepthatprocessneedthisofprocesstowant,thelocomotiveofprocessing,thisprocess,andtheenteringthegivingamountofthelathe,cutdepth,therotationalspeedofthemainshaftandspeedofcutting,thejigofthisprocess,thecutterandmeasuringtool,aonehundredsheetsofnumberoftimesstillleavesandaonehundredsheetsoflengthleaves,calculatebasictimeofthisprocess,auxiliarytimeandservicetimeofplaceofworkingfinally.Keywords:Technicalinstruction,positionerror,clump,thesurplusofprocessing,clampstrengthI河南机电高等专科学校毕业设计目录摘要...................................................................................................................................I绪论..................................................................................................................................1第1章车床左支座零件的分析及毛坯的确定..............................................................21.1车床左支座的作用和工艺分析....................................................................................................21.1.1零件的作用..............