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1、攀枝花学院本科毕业设计（论文）摘要摘要在生产过程中，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I攀枝花学院本科毕业设计（论文）AbstractABSTRACTEnableproducingth
2、etargetinprocessofproduction(rawmaterials,theblank,stateofqualityandquantityonpartbecomealways)takeplacedirectcourseofchangeaskcraftcourse,iftheblankismade,machining,heattreatment,assembleetc.andcallitthecraftcourse.Inthecourseofmakingthecraft,isitconfirmeveryerectorlocationandwor
3、kerstepthatprocessneedthisofprocesstowant,thelocomotiveofprocessing,thisprocess,andtheenteringthegivingamountofthelathe,cutdepth,therotationalspeedofthemainshaftandspeedofcutting,thejigofthisprocess,thecutterandmeasuringtool,aonehundredsheetsofnumberoftimesstillleavesandaonehundre
4、dsheetsoflengthleaves,calculatebasictimeofthisprocess,auxiliarytimeandservicetimeofplaceofworkingfinally.Keywords：Theprocess,workerone,worker'sstep,thesurplusofprocessing,orientthescheme,clampstrengthII攀枝花学院本科毕业设计（论文）目录目录摘要..........................................................
5、................................................................IABSTRACT.................................................................................................................II1CA6140机床后托架加工工艺.............................................................................
6、..31.1CA6140机床后托架的工艺分析...............................................................................31.2CA6140机床后托架的工艺要求及工艺分析.............................................................31.2.1CA6140机床`后托架的技术要求......................................................................4
7、1.3加工工艺过程........................................................................................................41.4确定各表面加工方案..............................................................................................41.4.1在选择各表面及孔的加工方法时，要综合考虑以下因素...............................
8、...41.4.2平面的加工...................
