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外文翻译--压力机.doc

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外文翻译--压力机.doc

附录英文翻译LEVERBODYISA500T,600T,800T,1300T,2000TMECHANICALPRESSONANIMPORTANTCOMPONENTMOLDCLAMPINGBODYPARTS,ISTHECOMPANYSKEYPROJECTTRIALCURRENTLY,FOREIGNMADELEVERBODYISFORMEDINTHEDIEFORGINGHAMMER,FORGINGINTERNALQUALITYANDAPPEARANCETHANTHOSEOFGOODQUALITYFORGINGABROADASDOMESTICMANUFACTURERSDONOTHAVETHECONDITION,ONLYINTHEFREEFORGINGHAMMERONTHESHAPE,QUALITYISHARDTOMEETTHEDESIGNREQUIREMENTSASTHELEVERBODYPARTSSURFACEMORE,IFCOMPLETELYRELYONFORMING,NOTONLYDIFFICULTPROCESS,ANDPRESENTMATERIALWASTE,PROCESSINGCYCLES,HIGHCOSTS;INADDITION,ASLEVERSHAPEDBODYOFWORKLOADISLARGE,THEMECHANICALPERFORMANCEREQUIREMENTSOFMATERIALSHIGHERTHEPROCESSFORMINGTHELEVERBODY,THECENTRALDEPARTMENTOFFIBERUNREASONABLYDIFFICULTTOGUARANTEEQUALITYOFTHEWORKLEVERBODYTHUS,ACCORDINGTOTECHNICALCONDITIONSEXISTINGPROGRAMSTODETERMINEFORGINGMANUFACTURINGWITHMEMBRANESANDTOIDENTIFYWITHTHELOCALCOMBINATIONOFFORGINGANDFREEFORGINGMETHODSUSINGSUCHAFORGINGPROCESSHASTHEFOLLOWINGADVANTAGES1LEVERAGEWITHTHELOCALBODYAFTERTHERINGDIEDEPARTMENTOFFIBERSREASONABLETOENSURETHEQUALITYFORGINGS;2,COMPAREDWITHTHEOVERALLFORGING,DIELENGTH,19TIMESSHORTER,THEMODULESMALLSIZE,LOWCOST;3CANGAINLEVERAGEINTHE400KGPNEUMATICHAMMERDIRECTLYONTHEMOLDING,TOIMPROVEEFFICIENCYINCONTRAST,THEOVERALLDIEFORGINGHAMMERBLOWINTHE400KGPREFORGING,PNEUMATICHAMMER,SHAPINGTHE3T,MODULESLARGEHIGHLABORINTENSITY,LOWEFFICIENCY;4PLUSTHEFREEUSEOFLOCALFORGINGPROCESS,PRODUCTIONPREPARATIONPERIODISSHORT,CANQUICKLYFORMAPRODUCTIONCAPACITY;5REDUCEDCOLDDIFFICULTY,SHORTENEDPROCESSINGCYCLES,SAVINGPROCESSINGCOSTSTHEREFORE,THEUSEOFLOCALPLUSFREEFORGINGDIEFORGINGPROCESSSCHEMECANONLYGUARANTEETHEQUALITYFORGINGS,WHILEHEADOFPRODUCTIONEFFICIENCY,ANDCOSTADVANTAGESBUTTHEMATERIALSANDMANUFACTURINGPROCESSESONTHENEXTBLANKREQUIREMENTSMORESTRINGENT,THROUGHBATCHEXPERIMENTS,THEFINALINTHEACTUALPRODUCTIONHASBEENSUCCESSFULPUNCHINGDEVICEISACOLOSSAL,SOPHISTICATEDNATIONALDEFENSEBUILDING,INPARTICULARTHEBASISOFCURRENCYSUCHASTHEAUTOMOTIVEINDUSTRYTOEQUIPANDSTRATEGICINDUSTRYGEARTRANSMISSIONSYSTEMISAMECHANICALPRESSSTAMPINGEQUIPMENT,PARTICULARLYINTHEIMPORTANTPARTSINTHEMECHANICALPRESS,THEIMPACTLOADISTHEMAINFORMLOADS,GEARTRANSMISSIONSYSTEMFORTHESTRENGTHOFTHISHASIMPORTANTIMPLICATIONSTHEREFORE,THEIMPACTOFMESHINGGEARSUNDERLOADBYALOTOFATTENTIONMECHANICALPRESSMECHANICALTRANSMISSION,MAINLYTHROUGHPRESSUREONTHEMETALSPROCESSINGTHESOILINTHEMETALMACHININGPROCESSISOFTENACCOMPANIEDBYINTENSEPRESSURECHANGES,SOTHATTRANSMISSIONSYSTEMTOWITHSTANDSHOCKLOADINGMOSTMECHANICALPRESSDRIVESYSTEMCOMPOSEDBYTHEGEARUNDERTAKENINAVARIETYOFMECHANICALPRESSPROCESSING,THESOILPRESSUREINCREASEORADECREASEWITHTHETRIP,INTHEPARTOFTHEWORKAREAWILLMAINTAINACERTAINPRESSUREWHICHTHEREFORELEGITIMATESOILSHEARPROCESSINGTHEMOSTINTENSEPRESSURE,MEASUREDEXPERIMENTALLYINASERIESOFMEASUREMENTPOINTSTONTIMESLAGRANGEINTERPOLATIONPOLYNOMIALCURVEFITTINGIMPACTLOADISTHESTAMPINGDEVICESUFFEREDAMAJORTYPEOFLOADINGISANIMPORTANTFACTORAFFECTTHEGEARTRANSMISSIONSYSTEMTHISPAPERANALYZESTHEFORMOFSTAMPINGEQUIPMENTLOAD,ANDTHROUGHTHEESTABLISHMENTOFTHEIMPACTLOADCURVEFITTINGEXPRESSIONHERTZTHEORYOFELASTICCOLLISIONSUBSEQUENTLYESTABLISHEDONTHEBASISOFTHEIMPACTLOADSOFGEARMESHINGFORCEUNDERTHESIMULATIONMODEL,SIMULATIONOFTHEGEARMESHINGFORCE,ANDTHEIMPACTOFDIFFERENTPEAKLOADSMESHINGFORCEWERESTUDIED,ANDSIMULATIONRESULTSANALYSISSIMULATIONRESULTSSHOWTHATTHEIMPACTLOADOFGEARMESHINGFORCEHASASIGNIFICANTIMPACTWHICHSHOWEDACYCLICALOSCILLATIONSTABLELOADCHARACTERISTICS,ANDIMPACTLOADSTYPEAFFECTEDTHEFORMOFTHEGEARMESH,ANDJAPANASTHELOADINCREASES,THEAMPLITUDEOFFASTDECAYINTHEPEAKSECTION,DECAYRATEINCREASESASTHEPEAKLOADSPEEDMEANWHILE,THEGEARMESHINGFORCETOENTERANDEXITTHEWORKAREAATTHESTAGEOFPRESENTATIONOFTHEOSCILLATIONPEAKSCHANGESPRESSURECHARACTERISTICSOFTHESEOSCILLATIONSFORTHEGEARSTRENGTHGREATERIMPACTINTHEGEARDESIGNPROCESS,ACCORDINGTOTHESIMULATIONRESULTS,COMBINEDWITHDYNAMICLOADCALCULATIONMETHODTOESTIMATECANBEMOREPRECISEGEARDYNAMICLOADFACTOR,USEFACTORANDOTHERGEARSTRENGTHCALCULATIONOFKEYPARAMETERS,ANDTHUS10GEARSTRENGTHDESIGNISANIMPORTANTREFERENCEVALUETHISISSIMILARTOTHEMECHANICALPRESSTOIMPACTLOADBASEDGEARTRANSMISSIONSYSTEM,THEDESIGNOFTHEIMPROVEDTRANSMISSIONSYSTEMHASANIMPORTANTREFERENCEALTHOUGHTHEPRODUCTHASTHESTRUCTUREOFTHEDOMESTICMECHANICALPRESSDESIGNHASBECOMERELATIVELYHOT,BUTINITSDESIGNANDDEVELOPMENT,ASTHEDESIGNERSNEGLIGENCEANDMISUNDERSTANDING,ASWELLASPRODUCTSUSEDINTHEPROCESSOFUNDERSTANDINGOFTECHNICALREQUIREMENTSANDCHARACTERISTICSOFSMALLPERMEABILITY,LACKOFKNOWLEDGETHISWILLOCCUROFTENALACKOFCONSIDERATIONORERRORONTHEPRESSANDULTIMATELYLEADTOQUALITYPROBLEMSDESIGNDEFECTSANDIMPROVEMENTS1PRESSCRANKSHAFTSUPPORTATTHEDESIGNFLAWTHEORIGINALDESIGNOFTHECRANKSHAFTISSUPPORTEDATBOTHENDSFIXEDFIG1IMPROVEMENTMEASURESCONVENTIONALDESIGN,THEGENERALBEARINGOFTHESUPPORTSHAFTWITHTHEREARAXLECANBEFREETOCONSIDERTHEHEATEXPANSIONTHEREFORE,ABEARINGISSTATIONARYANDTHEOTHERINTHEAXIALBEARINGSMUSTHAVETHEPOSSIBILITYOFEXPANSIONSIMILARLY,THECRANKSHAFT,BECAUSETHERELATIONSHIPBETWEENTHETEMPERATUREONLYATONEENDOFTHECRANKSHAFTBEARINGWASLIMITEDTOLOCATION,THEOTHERMUSTBELEFTASKINGTHEAXIALBEARINGGAP,SOTHECRANKSHAFTCANWORKINTHELONGTERMRISEINTEMPERATUREOFPRESSFREEDOMAFTERTHEEXPANSION2CRANKSHAFTSTRESSCONCENTRATIONDESIGNFLAWTHEORIGINALDESIGNOFTHECRANKSHAFTSTRESSCONCENTRATIONISVERYSERIOUS,ESPECIALLYINTHECRANKANDCRANKTOMOVEBOTHSIDESTHENOFFICEOFTHECRANKSHAFTBEARINGALTERNATINGLOADFATIGUEVERYBADFIG2IMPROVEMENTFORHIGHERPOWERTRANSMISSIONCRANKSHAFT,THEBEARINGLOADMOSTLYALTERNATINGFATIGUELOADINORDERTOIMPROVETHEFATIGUESTRENGTHOFTHECRANKSHAFTTOREDUCEWEIGHTANDSMALLNEEDTOREDUCEITSOWNROTARYINERTIA,THEGENERALDESIGNOFASMALLCRANKSHOULDTAKESOLIDSTRUCTUREIMPROVED,WITHHOLLOWSTRUCTURE,THISSTRUCTUREALLOWSASMALLBUTORIGINALSTRESSCONCENTRATIONSTRESSDISTRIBUTION,SOROUNDINGFLATPARTOFTHESTRESS,BUTALSOTOTHEORDEROFHEATTREATMENTINDUCEDRESIDUALSTRESSELIMINATIONCHINASPRESSMANUFACTURINGISRAPIDLYFORWARDNOW,THEDOMESTICPRESSAWIDERANGEOFVARIETY,THEFOLLOWINGDESCRIBESATYPICALPRODUCTUSAGEANDSTRUCTURALPERFORMANCEJ23SERIESOPENBACKINCLINABLEPRESSPURPOSEANDSTRUCTUREPERFORMANCETHEINCLINABLEFRAMEMADEOFCASTIRONMAKETHEWORKPIECEORSCRAPTOSLIDEDOWNFROMTHEDIETHEPRESSADOPTSAROLLINGKEYCLUTCHANDHASTWOOPERATIONMODESSINGLESTROKEANDCONTINUOUSSTROKETHEFRICTIONBRAKEISUSEDFIXEDWITHTHESLIDE,THEOVERLOADPROTECTORWILLBEDAMAGEDTOPROTECTTHEMACHINEFROMOVERLOADINGTHISPRESSHASWIDERANGEOFAPPLICATION,HIGHPRECISION,RELIABLEPERFORMANCEANDEASYOPERATIONTHEPRESSCANREALIZESEMIAUTOMATIONPRODUCTIONIFFIXEDWITHTHEAUTOMATICFEEDER。USERSCANCHOOSEEMERGENCYSTOPEQUIPMENTFORTHEPRESSABOVE25TONSJESERIESCTYPEHIGHPERFORMANCEPRESSWITHFIXBEDPURPOSEANDSTRUCTUREPERFORMANCESQUAREFIGURELONGGUIDEWITHSIXFRICTIONFACESMAKESABRASIONRESIS;IMPORTEDHYDRAULICOVERLOADPROTECTORHASSENSITIVERESPONSEANDRELI;WETCLUTCHENGAGESSTABLYWITHLOWNOISE,WHICHBELONGSTOLONGTERM;CLOSEDBEVELGEAR,DIPPEDINLUBE,WHICHDRIVESSTABLYWITHLOWNOISE;SLIDEWITHCOUNTERBALANCER,WHICHWILLELIMINATETHECLEARANCEAND;INTERMITTENTAUTOLUBRICATIONMAKESEVERYPOINTGETFINEANDSAFELU;INFINITESPEEDVARIATIONEQUIPMENTISEASYFORDIECHANGING;PLCELECTRICCONTROLSYSTEMISSAFEANDRELIABLE;AIRCUSHION,PHOTOGUARD,AUTOFEEDER,SPEEDDIECHANGINGAREOPTIONALSHSERIESSUPERHIGHSPEEDPRESSPURPOSEANDSTRUCTUREPERFORMANCE

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