机械制造类专业英语（第2版） 答案汇 杨成 Module I advanced -Module IV Advanced Manufacturing Equipment and Cases

ModuleIVAdvancedManufacturingEquipmentandCasesSceneOneOperatingRegulationsforOrdinaryMachineTask1OperatingRegulationsExercise:talkinginpairs.1Servethemotherland2Craftsmanship3practicecraftsmanshi4PracticeCraftsmanSpiritinLearningandLifeTask2TheCaseofBigcountryheavyequipmentGuardianofdeepsea"Jiaolong"Exercise:talkinginpairs.1Servethemotherland2Craftsmanship3practicecraftsmanshi4PracticeCraftsmanSpiritinLearningandLifeSceneTwoCommonEquipmentTask1GeneralequipmentFigure5-10versatilepresshydraulicpresspressbrakeDiscusswithyourteammatesintensivelyandthendecidewhichofthefollowingbelongtothecomponentsofapress.Tickitoutifitdoes.pressbed bolsterplateramorslideknockout cushionCanyounamethefollowingdesignforpressframesinthefollowingfiguresafterdiscussingwithyourpartners?Figure5-11BasicC-framedesign widedesign adjustablebedopen-backinclinable pillar doublecolumnPleaseworkwithyourclassmatestocomparecostsandproductionvolumesforprocessingplastics.FormationEquipmentCapitalcostProductionRateToolingCostTypicalproductionvolumeofpartsMachiningMediumMediumLow10～102CompressionmoldingHighMediumHigh103～106TransfermoldingHighMediumHigh103～106InjectionmoldingHighHighHigh104～107ExtrusionMediumHighLow102～103RotationalmoldingLowLowLow102～103BlowmoldingMediumMediumMedium103～106ThermoformingLowLowLow102～103CastingLowVerylowLow10～102ForgingHighLowMedium10～102FoammoldingHighMediumMedium104～107ExercisesHowmanysystemsdoesaninjection-moldingmachinehasWhataremajorcomponentsofaninjection-moldingmachineWhataremajorcomponentsofapressTranslatethefollowingsentencesintoChinese.Therearetwobasicunitstoaninjection-moldingmachine,oneforinjectiontheheatedplasticandoneforopeningandclosingthemold.Asthechamberinfrontofthescrewbecomesfilled,itforcesthescrewback,trippingalimitswitchthatactivatesahydrauliccylinderthatforcesthescrewforwardandinjectsthefluidplasticintotheclosedmold.ecqlstrkeuaipitonpresswrkingmnhedoeurzntrlupstroePracticespokenEnglish.Missli:hi,Mr.Yang.Mr.yang:hi,missli.howareyou?Missli:Iamfine.Thankyou.ButIhavesomeproblemwiththeshapingandplanning.couldyougivemeafavor?Mr.yang:yes.mypleasure.Whataretheseproblems?Missli:whatcanshaperandplanerdo?Mr.yang:theshaperandplaneraregenerallyusedformachiningflatsurfaces,whichareusuallypreformedbyacutterthatsetthechipfromthework.Missli:whataretheshapeandplaner’smotionforms?Mr.Yang:themainmotionisreciprocatingandthefeedaimsatthedirectionofthemainmotion.Missli:aretheshaperandplanerusedinmassproduction?Mr.Yang:no.Missli:why?Mr.yang:becausetheyareratherslowinoperation.Missli:but,formassproduction,whatmethodsshouldweuse?Mr.Yang:millingmachinesandgrindersaremorewidelyusedforproducingflatsurfacesinmassproduction.Missli:whatstructuresarethereonatypicalshaper?Mr.yang:therearetoolhead,ram,column,table,rockermechanism,etc.Missli:howisthefeedobtainedonashaper?Mr.yang:thefeedisobtainedbyapawlwhichengagesinanotchedwheelorratchet.Missli:Iamreallyappreciatedyoufortellingmethisknowledge.Mr.yang:Iwasgladtobeofsomeservices.Task2bigcountrycraftsmaninweldingExercise:talkinginpairs.1Servethemotherland2Craftsmanship3practicecraftsmanshi4PracticeCraftsmanSpiritinLearningandLifeSceneThreeCITICHeavyIndustries18500tOilPressExercise:talkinginpairs.WeshouldserveourmotherlandInspireustoworkhardWorkharderandstudyharderWorkharderandstudyharderSceneFourWuzhongDL2505MeterCNCHeavyHorizontalLatheExercise:talkinginpairs.WeshouldserveourmotherlandInspireustoworkhardWorkharderandstudyharderWorkharderandstudyharderSceneFiveDalianHeavyIndustry20000TonBridgeCraneExercise:talkinginpairs.WeshouldserveourmotherlandInspireustoworkhardWorkharderandstudyharderWorkharderandstudyharderSceneSix500MeterSphericalRadioTelescopeTask1ChineseTianyanExercise:talkinginpairs.WeshouldserveourmotherlandInspireustoworkhardWorkharderandstudyharderWorkharderandstudyharderTask2bigcountrycraftsmaninChineseTianyanNanRendongExercise:talkinginpairs.WeshouldserveourmotherlandInspireustoworkhardWorkharderandstudyharderWorkharderandstudyharderSceneSevenHydroGeneratorExercise:talkinginpairs.WeshouldserveourmotherlandInspireustoworkhardWorkharderandstudyharderWorkharderandstudyharderSceneEightDouble80000tDieForgingExercise:talkinginpairs.WeshouldserveourmotherlandInspire