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XZ-305铣床主轴工艺编制及工装设计.doc

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XZ-305铣床主轴工艺编制及工装设计.doc

1XZ305铣床主轴工艺编制及工装设计摘要论述铣床主轴零件的工艺编制,研究零件机械加工工艺规程的设计问题,介绍工艺规程的组成、制定程序等。说明零件的机械加工工艺结构性,结合生产主要从零件分析、毛坯的选择、工艺路线的拟定、工序内容的确定等几个方面详细的讲述了铣床主轴零件工艺过程设计以及工艺编制中应注意的问题,以及如何才能达到最理想的表面质量和经济效益。关键词工艺路线工艺编制工装设计2Xz305machinespindleProcessEquipmentDesignandpreparationFengHou(Grade03,Class05,MajorMechanicalDesignandManufacturingAutomation,MechanicalEngineeringDept.,ShaanxiUniversityofTechnology,Hanzhong723003,Shaanxi)tutorZhouChongJiAbstractElaborationmillingmachinemainaxlecomponentscraftestablishment,researchcomponentsmachinefinishingtechnologicalprocessdesignquestion,introductiontechnologicalprocesscomposition,formulationprocedureandsoon.Explainedthecomponentsthemachinefinishingcraftconstitutiveproperty,incoorwithprogressofproductionmainlyfromthecomponentsanalysis,thesemifinishedmaterialschoice,thecraftroutedrewup,theworkingprocedurecontentindeedgradesinseveralaspectsdetailednarrationsthequestionwhichmillingmachinemainaxlecomponentstechnologicalprocessdesignaswellasthecraftestablishmentshouldpayattention,aswellashowcouldachievethemostidealsurfacequalityandtheeconomicefficiency.KeywordCraftrouteCraftestablishmentWorkclothesdesignI目录引言.....................................................11.零件分析...............................................21.1零件作用.............................................................................................21.2零件技术要求.....................................................................................22.毛坯的选择..............................................32.1选择毛坯的原则.................................................................................32.2主轴毛坯的选择及制造方法................................................................32.3毛坯的热处理.........................................................................................33.拟定工艺路线............................................53.1定位基准的选择.....................................................................................53.1.1粗基准的选择原则......................................................................53.1.2.精基准的选择原则.....................................................................53.2表面加工方法的选择.............................................................................63.3加工顺序的安排和工序的确定............................................................73.3.1机械加工工序..............................................................................73.3.2主要工序的加工方法.................................................................83.3.3热处理工序..................................................................................93.3.4辅助工序......................................................................................93.4.工序的集中与分散..............................................................................103.4.1工序集中的特点........................................................................103.4.2工序分散的特点........................................................................103.5.加工阶段的划分..................................................................................103.5.1加工阶段的划分........................................................................103.5.2划分加工阶段的目的...............................................................123.6主轴加工工艺过程分析.......................................................................143.6.1主轴毛坯的选择及制造方法...................................................143.6.2毛坯的热处理............................................................................153.6.3定位基准的选择........................................................................154.工序内容的拟定........................................174.1机床与工艺装备的选用......................................................................174.1.1机床的选择................................................................................174.1.2工艺装备的选择........................................................................184.2加工余量和工序尺寸的确定..............................................................194.2.1加工余量的确定........................................................................194.2.2工序尺寸及其公差的确定........................................................20II4.3切削用量的选择...................................................................................344.3.1切削用量的选择原则...............................................................344.3.2时间定额的制定........................................................................354.4工艺过程的技术经济分析...................................................................424.4.1提高劳动生产率的途径...........................................................424.4.2工艺成本及其组成....................................................................435.夹具设计部分...........................................435.1机床夹具的功用...................................................................................445.2机床夹具的分类...................................................................................445.3机床夹具的组成...................................................................................445.4工件在夹具中的定位及定位误差......................................................455.4.1定位方案的设计........................................................................455.4.2定位误差分析............................................................................465.5对刀装置的确定...................................................................................475.6加紧装置的确定...................................................................................475.6.1.夹紧装置的组成.........................................错误未定义书签。5.6.2.夹紧装置的基本要求................................错误未定义书签。5.6.3.确定夹紧力.................................................错误未定义书签。致谢...................................................48参考文献.................................................49

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