欢迎来到人人文库网! | 帮助中心 人人文库renrendoc.com美如初恋!
人人文库网
首页 人人文库网 > 资源分类 > DOC文档下载

外文翻译--发动机缸体.doc

  • 资源大小:61.00KB        全文页数:11页
  • 资源格式: DOC        下载权限:游客/注册会员/VIP会员    下载费用:5
游客快捷下载 游客一键下载
会员登录下载
下载资源需要5

邮箱/手机号:
您支付成功后,系统会自动为您创建此邮箱/手机号的账号,密码跟您输入的邮箱/手机号一致,以方便您下次登录下载和查看订单。注:支付完成后需要自己下载文件,并不会自动发送文件哦!

支付方式: 微信支付    支付宝   
验证码:   换一换

友情提示
2、本站资源不支持迅雷下载,请使用浏览器直接下载(不支持QQ浏览器)
3、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰   

外文翻译--发动机缸体.doc

1英文原文ENGINECYLINDERBLOCKENGINECYLINDERBLOCKISAMORECOMPLEXSTRUCTUREOFTHEBOXPARTSINTHEENGINEPARTS,ITSHIGHPRECISION,PROCESSING,COMPLEXPROCESS,ANDTHEPROCESSINGQUALITYWILLSTILLAFFECTTHEOVERALLPERFORMANCEENGINE,SOITHASBECOMEONEOFTHEENGINEMANUFACTURERSFOCUSPARTSENGINECYLINDERBLOCKISTHEBASICENGINEPARTSANDSKELETONANDTHEGENERALASSEMBLYOFTHEBASECOMPONENTSCYLINDERSROLEISSUPPORTINGANDENSURINGTHEPISTON,CONNECTINGROD,CRANKSHAFTANDOTHERMOVINGPARTSWORK,THEEXACTLOCATION;TOENSURETHEENGINEVENTILATION,COOLINGANDLUBRICATION;TOPROVIDEAVARIETYOFAUXILIARYSYSTEMS,COMPONENTSANDENGINEINSTALLATION1TECHNICALCHARACTERISTICSCYLINDERBLOCKCASTFORAWHOLESTRUCTURE,ANDITSUPPERPART4CYLINDERMOUNTINGHOLE;CYLINDERBLOCKSTANDARDCYLINDERBLOCKISDIVIDEDINTOUPPERANDLOWERDIVISIONSINTOTWOPARTS;CYLINDERBLOCKTOTHEREAROFTHEFRONTSIDEARRANGEMENTOFTHEPREVIOUSTHREECOAXIALMOUNTINGHOLEOFTHECAMSHAFTANDTHEIDLERAXLEHOLECYLINDERBLOCKPROCESSFEATURESARETHESTRUCTUREOFCOMPLEXSHAPE;PROCESSINGPLANE,MORETHANHOLES;UNEVENWALLTHICKNESSANDSTIFFNESSISLOW;PROCESSINGOFHIGHPRECISIONTYPICALOFBOXTYPEPROCESSINGPARTTHEMAINPROCESSINGOFTHESURFACEOFCYLINDERBLOCKTOPSURFACE,THEMAINBEARINGSIDE,CYLINDERBORE,THEMAINANDCAMSHAFTBEARINGBOREHOLESANDSOON,THEYWILLDIRECTLYAFFECTTHEMACHININGACCURACYOFTHEENGINEASSEMBLYPRECISIONANDPERFORMANCE,MAINLYRELYONPRECISIONEQUIPMENT,INDUSTRIALFIXTURESRELIABILITYANDPROCESSINGTECHNOLOGYTOENSURETHEREASONABLENESS2THECYLINDERPROCESSDESIGNPRINCIPLESANDTHEBASISFORENGINETECHNOLOGYPROGRAMISTHEPREPARATIONOFTHEMASTERPROCESSISTOPROCESSPLANNINGANDKEYPROCESSEQUIPMENTDESIGNGUIDANCEDOCUMENTSTHECORRECTPROCESSOFPROGRAMDESIGN,FACILITATETHESYSTEMATICAPPLICATIONOFNEWSCIENTIFICANDTECHNOLOGICALACHIEVEMENTSANDADVANCEDPRODUCTIONEXPERIENCE,TOENSUREPRODUCTQUALITY,IMPROVEWORKINGCONDITIONS,ANDIMPROVEPROCESSTECHNOLOGYANDPROCESSMANAGEMENTLEVEL21PROCESSDESIGNPRINCIPLESDESIGNTECHNOLOGYPROGRAMSHOULDBETOENSUREPRODUCTQUALITYATTHESAMETIME,GIVEFULLCONSIDERATIONTOTHEPRODUCTIONCYCLE,COSTANDENVIRONMENTALPROTECTION;BASEDONTHEENTERPRISESABILITYTOACTIVELYADOPTADVANCEDPROCESSTECHNOLOGYANDEQUIPMENT,ANDCONSTANTLYENHANCETHEIRLEVELOFTECHNOLOGYENGINECYLINDERBLOCKMACHININGPROCESSDESIGNSHOULDFOLLOWTHEFOLLOWINGBASICPRINCIPLES1THESELECTIONOFPROCESSINGEQUIPMENT,PROCESSINGEQUIPMENT,THEPRINCIPLEOFSELECTIONADOPTEDTHEPRINCIPLEOFCOMBININGRIGIDFLEXIBLE,PROCESSINGEACHHORIZONTALMACHININGCENTERISLOCATEDMAINLYSMALLOPERATIONSWITHVERTICALMACHININGCENTER,THEKEYPROCESSACRANKHOLE,CYLINDERHOLE,BALANCERSHAFTHOLEHIGHSPEEDPROCESSINGOFHIGHPRECISIONHORIZONTALMACHININGCENTER,ANUPPERANDLOWERNONCRITICALPROCESSESBEFOREANDAFTERTHEFOURDIMENSIONALHIGHEFFICIENCYROUGHMILLINGANDHAVEACERTAINADJUSTMENTRANGEOFSPECIALMACHINEPROCESSING;2FOCUSONAKEYPROCESSINPRINCIPLEPROCESSTHEBODYCYLINDERBORE,CRANKSHAFTHOLE,BALANCESHAFTHOLESURFACEFINISHINGANDTHECOMBINATIONOFPRECISIONMILLINGCYLINDERHEAD,USINGAPROCESSFOCUSEDONASETUP2PROGRAMTOCOMPLETEALLPROCESSINGELEMENTSINORDERTOENSUREPRODUCTACCURACYTHEKEYQUALITYPROCESSESTOMEETTHECYLINDERCAPACITYANDTHERELEVANTTECHNICALREQUIREMENTS;3ALLFIXTURESAREUSEDHYDRAULICCLAMP,CLAMPINGCOMPONENTS,HYDRAULICPUMPSANDHYDRAULICCONTROLCOMPONENTSUSEDINGERMANYORTHEUNITEDSTATESPRODUCINGHIGHQUALITYANDRELIABLECOMPONENTS;4THEWHOLELINEUSEDINALLWETPROCESSING,USINGSTANDALONEBTA,HIGHPRECISIONMACHININGPROCESSESCRITICALHORIZONTALMACHININGCENTERWITHCONSTANTCOOLINGANDTOINSTALLHIGHPRECISIONHIGHVOLTAGEDOUBLECIRCUITBANDPASSFINEFILTRATIONSYSTEM,ALLWITHHIGHPRESSUREPROCESSINGCENTERINTHECOLDACCORDINGTOTHETECHNOLOGICALCHARACTERISTICSOFAUTOMOBILEENGINECYLINDERBLOCKANDTHEPRODUCTIONMANDATE,THEENGINEBLOCKMACHININGAUTOMATICPRODUCTIONLINEISCOMPOSEDOFHORIZONTALMACHININGCENTERCWK500ANDCWK500DMACHININGCENTERS,SPECIALMILLING/BORINGMACHINE,VERTICALMACHININGCENTERSMATEC30LANDOTHERAPPLIANCES1TOPANDBOTTOM,ANDTILECOVEREDONLYTHECOMBINATIONOFAPERTUREROUGHMILLINGMACHINEDEDICATEDTOTHISMACHINETODOUBLESIDEDHORIZONTALMILLINGMACHINE,USINGMOVINGTABLEDRIVENPARTS,MACHINETOOLSIMPORTEDSIEMENSS7200PLCSYSTEMCONTROL,MACHINECONTROLCABINETSETUPANINDEPENDENT,CUTTINGAUTOMATETHEPROCESSISCOMPLETEDANDTWOKINDSOFAUTOMATICANDADJUSTTHESTATE;2HIGHSPEEDHORIZONTALMACHININGCENTERMACHININGCENTERCANBEREALIZEDCWK500THEMAXIMUMFLOWOFWETPROCESSING,BUTBECAUSEOFEQUIPMENT,AUTOMATICBTATREATMENTSYSTEMTHROUGHTHEBUILTINTRAYUNDERTHEWIDETYPECHIPCONVEYORANDTHECOMPLETIONOFTHEMACHININGCENTERCANBEDRYPROCESSING;MACHINETOOLSPINDLESPEED6000R/MIN,RAPIDFEEDINGSPEED38M/MIN;3THECOMBINATIONOFFRONTANDREARFACEROUGHMILLINGMACHINETOOLUSINGHYDRAULICTRANSMISSION;CONTROLSYSTEMIMPORTEDSIEMENSS7200PLCSYSTEMCONTROL,MACHINETOOLSHAVEACERTAINFLEXIBILITY;4THESPECIALMACHINETXK1500THISMACHINEVERTICALMACHININGCENTERBYTHEMODIFICATIONOFSHAPE,WITHVERTICALMACHININGCENTERFEATURESANDPERFORMANCE,THISMACHINEHASHIGHSTRENGTH,HIGHWEARRESISTANT,HIGHSTABILITY,HIGHACCURACY,HIGHPROFILEETC;5HIGHSPEEDVERTICALMACHININGCENTERMATEC30LOFTHEMACHININGCENTERSPINDLEHIGHSPEED9000R/MINCONTROLSYSTEMUSESSIEMENSSINUMERIK840DCONTROLSYSTEM;6HIGHSPEEDHORIZONTALMACHININGCENTERSPINDLECWK500DHIGHESTSPEED15000R/MIN22PROCESSDESIGNBASISAFFECTTHEENGINEBLOCKPARTOFTHEPROCESSDESIGNFACTORSAREMANIFOLDSPECIFICALLY,CANBEUNDERSTOODFROMTHEFOLLOWINGASPECTS1PRODUCTOBJECT,PRODUCTDRAWINGSANDTECHNICALDOCUMENTSRELATEDTOTHECOMPLEXITYOFTHEENGINEBLOCKUNDERTHEPRECISIONREQUIREMENTSOFTHEPROCESSTOTAKECORRESPONDINGMEASURESPRODUCTIONTARGETSFORTHEFOURCYLINDERAUTOMOBILEENGINECYLINDERBLOCK;2THEPRODUCTIONPROGRAM,THEPRODUCTIONOFTHENATUREANDTYPEOFPRODUCTIONOFTHEENGINEBLOCKTHEPRODUCTIONPROGRAMOF400MILLION;3THEANNUALEFFECTIVESYSTEMOFWORKEQUIPMENT,WORKINGFOR320DAYS,WITHANAVERAGEEQUIPMENTLOADINGRATEOF80,TWOSHIFTS,16HOURS/DAY3THEMAINCONTENTOFENGINECYLINDERBLOCKMACHININGPROCESSDESIGN3ENGINECYLINDERBLOCKMACHININGPROCESSCHARACTERISTICSMAINLYFLATANDTHEHOLEPROCESSING,PROCESSINGOFFLATGENERALLYUSEPLANING,MILLINGMETHODSSUCHASPROCESSING,PROCESSINGOFHOLEUSEDMAINLYBORING,PROCESSINGANDMULTIPURPOSEDRILLINGHOLESASTHECYLINDERCOMPLEXSTRUCTURE,SOHOWTOENSURETHATTHEMUTUALPOSITIONOFTHESURFACEPROCESSINGPRECISIONISANIMPORTANTISSUE31THESELECTIONOFBLANKENGINEBLOCKONTHEMATERIALSUSEDAREGENERALLYGRAYCASTIRONHT150,HT200,HT250,THEREISALSOCASTALUMINUMORSTEELPLATE,THISENGINEBLOCKUSINGHIGHSTRENGTHALLOYCASTIRONCYLINDERINTHEPROCESSINGPRIORTOAGINGTREATMENTINORDERTOELIMINATESTRESSANDIMPROVETHEROUGHCASTINGMECHANICALPROPERTIESIMPROVETHEROUGHACCURACY,REDUCTIONOFMACHININGALLOWANCE,ISTOIMPROVETHEAUTOMATEDPRODUCTIONLINESYSTEMPRODUCTIVITYANDPROCESSINGQUALITYOFTHEIMPORTANTMEASURESASTHEFOREIGNBOXTYPEPARTSOFROUGHQUALITYANDHIGHPRECISION,ANDITSPRODUCTIONLINESYSTEMHASBEENIMPLEMENTEDDIRECTLYONTHEBLANKLINE,NOTONLYELIMINATINGTHENEEDFORBLANKCHECKDEVICEALSOSAVESTHEROUGHQUALITYPROBLEMSDUETOWASTEOFMACHININGTIME,INCREASEOVERALLEFFICIENCYTHEREFORE,THEREFINEMENTOFROUGHISTOIMPROVETHEPRODUCTIVITYOFTHEMOSTPROMISINGWAYOUTFORTHEENGINEBLOCKPRODUCTIONLINE,CANBEROUGHINPARTSONLINEPREMILLINGSIXFACE,REMOVINGMOSTOFTHEMARGIN,TOFACILITATEDIRECTONLINEPARTS32MACHININGPROCESSSELECTIONANDPROCESSINGOFTHEBENCHMARKCHOOSETHERIGHTPROCESSINGTECHNOLOGYBASEISDIRECTLYRELATEDTOTHEPROCESSINGQUALITYCANENSURETHEPARTSGENERALLYSPEAKING,PROCESSBENCHMARKINGCANBEDIVIDEDINTOCOARSEANDFINEREFERENCEBASE1THEBASELINEFORTHEONLINETHICKROUGH,WHICHISPARTICULARLYIMPORTANTTHECHOICEOFBENCHMARKCRUDE,IFCRUDEBENCHMARKCHOICEUNREASONABLE,WILLTHEUNEVENDISTRIBUTIONOFMACHININGALLOWANCE,PROCESSINGANDSURFACEOFFSETS,RESULTINGINWASTEINTHECYLINDERPRODUCTIONLINE,WEHAVEADOPTEDFORTHECOARSESIDEOFTHEBASE;2REFINEDTHEBASEOFTHISBOXFORTHEENGINEBLOCKPARTS,THEGENERALUSEOF“SIDETWOSALES”FORAFULLRANGEOFUNIFORMBENCHMARKSFORTHELONGERAUTOMATEDPRODUCTIONLINESYSTEM,DUETOPINHOLESINTHECOURSEOFTHEWEARANDTEARCAUSEDBYINACCURATEPOSITIONING,THEREFORE,WILLBEDIVIDEDINTO23SEGMENTPINHOLESUSEDINTHECYLINDERPINHOLEOFTHEPROCESS,WEHAVEADOPTEDTOTHESIDE,BOTTOMANDTHESPINDLEHOLEPOSITIONING,INTHEPROCESSINGCENTERONTHEPROCESS33MACHININGPROCESSINGSTAGESANDPROCESSESOFTHEARRANGEMENTSOFTENAPARTOFMANYAPPARENTNEEDFORPROCESSING,OFCOURSE,THESURFACEMACHININGACCURACYAREDIFFERENTPROCESSINGOFHIGHPRECISIONSURFACE,OFTENAFTERREPEATEDPROCESSING;ASFORTHEPROCESSINGOFTHESURFACEOFLOWPRECISION,ONLYNEEDTOGOTHROUGHONEORTWOONTHELISTTHUS,WHENTHEDEVELOPMENTPROCESSINORDERTOSEIZETHE“PROCESSINGHIGHPRECISIONSURFACE,”THISCONFLICT,THEREASONABLEARRANGEMENTPROCESSESANDRATIONALDIVISIONSTAGEOFPROCESSINGARRANGETHEORDEROFTHEPRINCIPLEOFPROCESSISAFTERTHEFIRSTCOARSEREFINED,THEFIRSTSURFACEAFTERTHEHOLE,THEFIRSTBENCHMARKOTHERINTHEENGINEBLOCKMACHINING,THESAMESHOULDFOLLOWTHISPRINCIPLE1ROUGHINGSTAGEENGINEBLOCKMACHININGPROCESS,THEARRANGEMENTSFORROUGHINGPROCESS,TOFULLYCARRYOUTROUGHROUGH,TRIMMOSTOFTHEMARGININORDERTOENSUREPRODUCTIONEFFICIENCY;42SEMIFINISHINGPHASEOFTHEENGINEBLOCKMACHINING,INORDERTOENSURETHEACCURACYOFSOMEIMPORTANTSURFACEPROCESSING,ANDARRANGESOMESEMIFINISHINGOPERATIONS,WILLBEREQUIREDACCURACYANDSURFACEROUGHNESSOFTHESURFACEOFTHEMIDDLEOFSOMEPROCESSINGTOCOMPLETE,WHILEDEMANDINGTHESURFACEOFSEMIFINISHED,TOPREPAREFORFUTUREFINISHING;3THEFINISHINGSTAGEOFREQUIRINGHIGHACCURACYANDSURFACEROUGHNESSOFTHESURFACEPROCESSING;4SECONDARYPROCESSING,SUCHASSMALLSURFACESCREWHOLES,YOUCANFINISHOFTHEMAJORSURFACEAFTERTHEONEHAND,WHENTHEWORKPIECEDEFORMATIONPROCESSLITTLEIMPACTATTHESAMETIMEALSOREDUCEDTHEREJECTIONRATE;INADDITION,IFTHEMAINSURFACEOFAWASTE,THESESMALLTHESURFACEWILLNOTHAVETOBEPROCESSED,THUSAVOIDINGAWASTEOFMANHOURSHOWEVER,IFTHEPROCESSINGISVERYEASYFORASMALLSURFACEBUMPSTHEMAINSURFACE,ITSHOULDBEPLACEDONASMALLSURFACEFINISHPRIORTOTHEMAINSURFACEFINISHING;5SHOULDMAKEPROPERARRANGEMENTSFORSECONDARYPROCESSESSUCHASPRODUCTINSPECTIONPROCESS,INPARTROUGHINGSTAGE,THEKEYPROCESSBEFOREININGPROCESSINGSTAGESANDPROCESSTANDAFTERPROCESSING,SPAREPARTSALLTHEPROCESSINGHASBEENCOMPLETED,SHOULDBEAPPROPRIATEARRANGEMENTSSTAGEOFPROCESSINGDIVISION,HASTHEFOLLOWINGADVANTAGESFIRST,ITCANTAKEMEASURESTOELIMINATETHEROUGHWORKPIECEAFTERTHESTRESS,TOENSUREACCURACY;SECOND,FINISHINGONTHEBACK,ANDWILLNOTDAMAGEDURINGTRANSPORTTHESURFACEOFTHEWORKPIECEHASBEENPROCESSED;AGAIN,FIRSTROUGHINGTHESURFACEDEFECTSCANBEDETECTEDEARLYANDPROMPTLYDEALWITHROUGH,DONOTWASTEWORKINGHOURSBUTMOSTSMALLPARTS,DONOTSUBVERYTHIN34CYLINDERSURFACEOFTHEMAINPROCESSINGANDSECONDARYPROCESSESCYLINDERSURFACEANDSUPPORTTHEMAINPROCESSINGOP

注意事项

本文(外文翻译--发动机缸体.doc)为本站会员(英文资料库)主动上传,人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知人人文库网(发送邮件至[email protected]或直接QQ联系客服),我们立即给予删除!

温馨提示:如果因为网速或其他原因下载失败请重新下载,重复下载不扣分。

关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服客服 - 联系我们

网站客服QQ:2846424093    人人文库上传用户QQ群:460291265   

[email protected] 2016-2018  renrendoc.com 网站版权所有   南天在线技术支持

经营许可证编号:苏ICP备12009002号-5