柴油机机体机械加工工艺及其组合机床钻孔夹具设计机械设计制造及其自动化专业摘要机体是柴油机中的重要部件，属于箱体类构件。属于大规模生产。本次设计做的是“柴油机机体机械加工工艺及其组合机床钻孔夹具设计”，主要是先对汽缸进行零件分析；然后进行毛坯确定，根据尺寸画出毛坯图；再后进行加工工序的设定以及确定切削用量和加工工时；最后进行指定工序的夹具设计。关键词：机体、零件分析、毛坯图、切削用量、夹具AbstractAirframeisimportantcomponentindiesel,belongstoboxbodykindstructure.Insocietyprocedureofproductionbelongtogivebirthtoachildinlargescale.Thepart,beingtobeinprogressfirsttothecylindermainlyanalyses"thedieselcollectivemachineworkhandicraftandtheircombinationmachinetoolboreholegripdesign"designingbeingcomposingoriginallytime;Andthen,theblankbeinginprogressascertains,drawsupaccordingtothedimensionblankpicture;Again,thequeencarriesoutsettingupprocessingworkingprocedure'sandascertainstheworkinghourcuttingdosagesandprocessing;Carryoutthegripdesignallocatingworkingprocedure'sfinally.Keywords：Airframe、Componentsanalysis、Semifinishedmaterialschart、Cuttingspecifications、Jig目录摘要.........................................................................................................................................IAbstract....................................................................................................................................II前言.....................................................................................................................................1第一章零件分析.....................................................................................................................21.1汽缸的主要作用是：......................................................................................................................21.2主要技术条件分析：......................................................................................................................21.3主要尺寸公差及分析：..................................................................................................................3第二章毛坯的确定................................................................................................................................52.1毛坯材料及形式的确定..................................................................................................................52.2铸造的加工余量及尺寸公差的确定..............................................................................................5第三章工艺规程的设计....................................................................................................................63.1附主视图一张：..............................................................................................................................63.2定位基准选择..................................................................................................................................63.2.1粗基准的选择：..................................................................................................................63.2.2精基准的选择：..................................................................................................................63.3制定加工工艺路线.........................................................................................................................73.3.1确定面的加工方式：...............
