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1、南通职业大学毕业设计(说明书)内容摘要: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Abstract:Enableproducingthetargetinproc
2、essofproduction(rawmaterials,theblank,stateofqualityandquantityonpartbecomealways)takeplacedirectcourseofchangeaskcraftcourse,iftheblankismade,machining,heattreatment,assembleetc.andcallitthecraftcourse.Inthecourseofmakingthecraft,isitconfirmeveryerectorlocationandworkerst
3、epthatprocessneedthisofprocesstowant,thelocomotiveofprocessing,thisprocess,andtheenteringthegivingamountofthelathe,cutdepth,therotationalspeedofthemainshaftandspeedofcutting,thejigofthisprocess,thecutterandmeasuringtool,aonehundredsheetsofnumberoftimesstillleavesandaonehun
4、dredsheetsoflengthleaves,calculatebasictimeofthisprocess,auxiliarytimeandservicetimeofplaceofworkingfinally.Keyword:Theprocess,workerone,worker'sstep,thesurplusofprocessing,orientthescheme,clampstrength39南通职业大学毕业设计(说明书)目录摘要Abstract第一章绪论-------------------------------------
5、---------------------------------------------3第二章零件的工艺分析-----------------------------------------32.1零件的工艺分析----------------------------------------------32.2确定毛坯的制造形式-------------------------------------------32.3箱体零件的工艺性---------------------------------------------3第三章拟定
6、箱体加工的工艺路线--------------------------------43.1定位基准的选择-----------------------------------------------43.2加工路线的拟定-----------------------------------------------5第四章加工余量,工序尺寸及毛坯尺寸的确定------------------74.1确定毛坯---------------------------------------------------------------------
7、-------------74.2机体----------------------------------------------------------------------------------------84.3箱体----------------------------------------------------------------------------------------8第五章确定切削用量及基本工时-------------------------------------------------95.1机座--
8、--------------------------------------------------------------------------------------95.