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英文文献HYDRAULICEQUIPMENTOFPLIABLEFORCEFORMAINTENANCEANDMECHANICALWORKINGAbstract.ThecollaborationbetweentheHydraulicandPneumaticActingSystemsEngineeringDepartmentandtheSCHYDRAMOLDSRLfirmledtotherealizationofsomeperformancesproductsonthehydraulicsandpneumaticssegment.Thepaperproposestoofferthemostrepresentativehydraulicpliableequipmentsforceformechanicalworkingandmaintenance.Abigpartfromthehydraulicequipmentsispatentedorclaimofpatent,thetechnologyandtechnologicaloriginalitybeingtotallypartofthose.Becausethepaperhasaprevalenttechnicalcharacter,inthepresentationwillbegotoffespeciallytheperformancecharacteristicsoftheareasusedandthehydraulicequipmentsadvantagesofthepliableforce.Keywordshydraulicequipment,maintenance,mecanicalworking.1.IntroductionThemultifunctionalmodularequipments,pliable,formechanicalworking,thatarebasedonthehydraulicdrivearedestinedtothemanufacturingplantIMMalsotothemanufacturingplantofmaintenanceofthebigcompanyframeworkfromenergetic,petrochemistry,transport.AlltheequipmentswhatareadducedinworkaresubmittedintheframeworkofDISAHPresearchandmakethestudyofotherpapers.Takingaccountthefinitespaceofawork,therewillbeproposedfromthelargepaletteofhydraulicpliableequipmentsforceanewormodernizedequipmentsseriesfromeachsegmentdevelopedbytheSCHYDRAMOLDSRLfirmpressuresources,hydraulicpresses,hydraulictools,hydraulicequipmentof3000bar,hydraulicliftequipment,followingasinthenextworksitwillbepublishedothermodernhydraulicequipments.2.HydraulicEquipmentsAnalysisForce2.1PressureSourcesThepressuresourcesoftheforcehydraulicequipmentsyieldedbytheSCHYDRAMOLDSRLarethehydraulicactingunitsthathaveelectricorthermalengineandthehydraulicmanualorpedalpumps.HydraulicdriveunitdescriptionwithelectricengineTheelectrohydraulicdriveunitsHUEHarehighpressuresourcesforthehydrauliccylindersupplyingwithsimpleordoubleactionfromsomeequipmentsstructure,hydraulicinstallationsorappliances,andtheyworkwithrelativesmallrateflowandpressuresofuntil700bars,Fig.1.Theworkingdevelopedpressurecanbeadjusteddependingontask30700bar.Fig.1–Theelectrohydraulicdriveunit11electricengine2multiplier3oilreceiver4operatorsdesk.Table1AdvantagesTheelectrohydraulicdriveunitadvantagesHUEHaretheyofferthepossibilitytomaintainintothepressure,respectivelythehydraulicobstructofthetaskanddisposeofaprecisesettingofthepressuredependingonthetaskuntil700baritallowsthepermanentcontrolofthecylinderstrokeandalsotheautomaticcommutationfromthefirststeptothesecondpressuresteprespectivelyfromthefaststarttothetechnologicalbreakthroughitallowselectricremotecommand,whilethechargingvoltageisof24Vcc,havingtheoiltemperaturemonitoringpossibilityandtheautomaticdisconnecttothevalueof55°Cithasthehydrauliccomponentsofthehydraulicpanelpump,valve,slidevalveanditfunctionsinoptimalbehaviortomaximumfromthehalfnominalpressure,providingforadvancedreliabilityithasalowlevelnoiseunder70dbitconfersthesimultaneoussupplyingpossibilityof2,3or4cylindersthroughtoanattachedbranch2,3.ThehydraulicdriveunitdescriptionwithheatengineThehydraulicdriveunitswithheatengineHUMUTHproceedfromthenewproductsscalewithadistinguishedresilienceintothefield,andtheyfunctionwithsmallflowrateandpressuresofuntil700bar,fig.2.Fig.2–Thehydraulicdriveunitwithheatengine41heatengine2multiplier3operatorsdesk4oilreceiver.Table2Thehydraulicdriveunitcharacteristicswithheatengine1.Thehydraulicdriveunitwithheatenginehasamanualcommandforthestartandthechangingofthepressurestepsfromthe1ststeptothe2ndstepitmakesmanualtoo4.AdvantagesThehydraulicdriveunitofferssimilaradvantageswiththosepresentedatthehydraulicdriveunitwithelectricengine.Theadditionaladvantageconsistsofthemobilityintothefieldastheresultofalowweightanditdoesntdependofafixedpowersourceforexampletheconnectedoftheunittothelinesystem.2.2.HydraulicPressesThehydraulicpressworkshopHPH075iscomposedfromastandshutframeworkfixedtoptraversecolumns,adjustablebottomtraverse,basicplateremovable,ahydrauliccylinderwithdoubleactionHCHD075.150installedonatransversalcarriage,aplatesset,pressingboltsandnuts,Fig.3.Fig.3.–Thehydraulicpress75tf1Basicplate2Columns3Bottomtraverse4HydrauliccylinderHCHD075.1255Toptraverse6Pressingbolts7Pressingplates.Table3Thehydraulicpresscharacteristics1.Amongthedirectapplicationsofthishydraulicpressesdeserveremindedpressingandgearpulleroffofthetransmissionshaftsfromthegearboxespressingandpullerballbearingsfromtheattackpinionsfromthetaperinggroupspressingandextractionfromjammedsubsetscolddeformationforvariousproofsample.AdvantagesThehydraulicpresshasamodularconstruction,removable,havinganindexedsettlementsystemoftheinferiortraverse,atthevariousdeterminateheightsofrangeof75mm.ThetransversecarriageofpressrepresentsaneasysettlementsystemofthehydrauliccylinderpositionallowingthusthepressingaxleregulationThehydraulicpresshasplatesset,boltsandpressingnutsfortherealizationofalltechnologicaloperationsFromthepressprojectresultanoptimalreportbetweenitsweightandachievedforceowingtotheactingtomaximumpressures700bar,aseffectofareducedweightitiseasyofcarried.2.3.HydraulictoolsThehydraulictoolscaleusedinthemechanicalprocessingandmaintenanceisvarious,withmanyapplicationsinthemechanicalengineering.Thereareremindedamongthesehydraulictoolsthedeviceofthebendingpipesandthehydraulicdeviceofcutting.TheDeviceDescriptionofBendingPipesThebendingtemplate,fixedonactingrodofthehydrauliccylinderandhavingthesuitable
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