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《《ｘ5020b立式升降台铣床拔叉壳体工艺规程制订》》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、加工工艺规程制订及其工序专用夹具的设计X5020B立式升降台铣床拨叉壳体摘要：本次设计抛开以往的设计思想，浓缩了一个新方案。通过对X5020B立式升降台铣床拨叉壳体两种加工工艺路线的比较分析，选定前者。该方案是以三个面作为基准，实现基准统一原则，简化了随行夹具的设计，从而在保证所要求的质量和劳动生产率指标的前提下降低了生产成本。而且专用夹具的设计严格按照先收集和研究有关资料，再确定夹具的结构方案，然后绘制夹具总图，最后确定并标注有关尺寸及技术条件的步骤进行，充分体现了提高劳动生产率、保证加工质量、降低劳
2、动强度的原则，论文中将以详细的计算和说明证明这一说法。关键词：拨叉壳体；加工工艺；夹具Abstract：Thisdesigngetsridofthetraditionalthoughts,andtriesanewmethod.ThroughdesigntechinicsregulationsformachiningoftheX5020Bverticalliftplatformmillmachine.Therearetwoschemestoselect.Atlast,wechoosetheformeraf
3、teranalyzingthestructureandtheefficiencyofthepart.Inthisscheme,wecangettothefiducialunityandsimplifyspecialclampdesigningbaseonthreeplanes，sothatcutdowntheproductcostwithmakingsurethedemandofthequalityandlaborproductivity.Also,accordingtogettingtogethera
4、ndstudyingmuchdatum,Idesignthespecialclampfortwoholes.Firstly,decidetheschemeforthestructureofclamp;Secondly,drawthecollectivitydrawing,Atlast,labelthejointdimensions.,whichenhancestheworkproductivity,andmakescertaintheproductquality,andreducethelaborint
5、ensity.Inthepaper,welayoutthedetailedcalculateandexplation.Keywords：extractforkshell；techinicsregulations；clampOpinionsandsuggestionsontheparty'smasslineeducationalpracticeAccordingtothecentralandprovincial,municipalunifieddeployment,accordingtomunicipal
6、Partycommittee"aboutcarryingouttheparty'smasslineeducationalpracticeactivityinthecity'simplementationopinions,thespiritoftheparty'smasslineeducationalpracticeactivitiesfrom20**inJanuaryto99months,carriedoutatalllevelsofdepartmentsanddirectlyaffiliatedins
7、titutionsandgrass-rootspartyorganizations.AccordingtomyactualCounty,thecountytocarryouttheeducationpracticeputforwardthefollowingimplementationopinions.First,theoverallrequirementsCountycountyeducationpracticetotheeighteenPartyofeight,thespiritofthetheth
8、irdPlenarySessionofthe18thCPCCentralCommitteeastheguidance,conscientiouslyimplementthespiritofgeneralsecretaryXiJinpingbookseriesofimportantspeech,earnestlyimplementtheCentralCommitteereally,opinionsandadvice><<>,
