机电英语课件 Chapter 2-2 Machining Operation

MachiningOperationCHAPTER2时间：202X.XLearningObjectives01030204recognizethewordsofmachiningtools,equipmentandtechniquestalkaboutdrawinghowtomachineawork-pieceelicittheinformationaboutusingtoolssafelydescribethefeaturesandapplicationsofAI-assistedmanufacturingReadingReadingAI-AssistedManufacturingInmoderntimes,artificialintelligence(AI)isplayinganincreasinglyimportantroleinmanufacturing.AIcandomanyhelpfulthingsinthemanufacturingprocess.Forexample,itcanusemachinelearningalgorithmstoanalyzealotofdatafromthefactory.Bydoingthis,itcanpredictwhenmachinesmightbreakdown.So,factoryworkerscanfixthemachinesbeforeabigproblemhappens.Thishelpstokeepproductiongoingsmoothly.ComputervisionisanothergreatapplicationofAIinmanufacturing.Itallowsthesystemtocheckproductsontheassemblyline.Itcanquicklyspotanyflawslikescratchesorincorrectparts.Thisway,onlygood-qualityproductsleavethefactory.RobotswithAIarealsoveryuseful.Theycandorepetitivetaskslikeputtingpartstogetherwithhighprecision.Theydon’tgettired,sotheycanworkforalongtimewithoutstopping.Thismakesproductionmuchfaster.Inshort,AI-assistedmanufacturingismakingfactoriesmoreefficientandtheproductsbetter.It’schangingthewaythingsaremadeinagoodway.ReadandDecideReadingAIisplayingalessimportantroleinmanufacturingnowadays.()AIcanusemachinelearningalgorithmstopredictmachinebreakdownsbyanalyzing.()ComputervisioninAI-assistedmanufacturingcanonlyidentifyscratchesonproducts.()RobotswithAIcanworkcontinuouslywithoutgettingtiredbuttheyarenotverypreciseindoingrepetitivetasks.()AI-assistedmanufacturinghasaprofoundimpactontheefficiencyoffactoriesandthequalityofproducts.()FTFFTReadandChoose1.WhatcanAIdotohelpinthemanufacturingprocessaccordingtothetext?()A.Itcanonlyanalyzedatafrommachines.B.Itcanpredictmachinebreakdownsandcheckproductquality.C.Itcanmakeproductswithoutanyflaws.D.Itcanreplaceallfactoryworkers.2.HowdoescomputervisioninAI-assistedmanufacturingwork?()A.Itonlychecksproductsaftertheyarefinished.B.Itcanspotflawslikescratchesandincorrectpartsontheassemblyline.C.Itmakesproductslookbetter.D.Itisusedtotrainfactoryworkers.BBReadingReadandChoose3.TheadvantageofrobotswithAIinmanufacturingisthat______.A.theygettiredeasilybutworkveryfast.B.theyaretooexpensivetobeusedwidely.C.theycandesignnewproducts.D.theycandorepetitivetaskspreciselyandworkcontinuously.4.WhatistheoveralleffectofAI-assistedmanufacturing?()A.Itmakesfactorieslessefficientandproductsworse.B.Ithasnosignificanteffectonmanufacturing.C.Itmakesfactoriesmoreefficientandproductsbetter.D.Itonlychangestheappearanceofproducts.DCReadingReadandMatchReadingApplication1.Predictingmachinebreakdowns2.Checkingproductqualityontheassemblyline3.PerformingrepetitivetaskspreciselyandcontinuouslyA.RobotswithAIcandorepetitivetaskslikeputtingpartstogetherwithhighprecisionandworkcontinuouslywithoutgettingtired.B.AIcanusemachinelearningalgorithmstoanalyzealotofdatafromthefactorytopredictwhenmachinesmightbreakdown.C.ComputervisioninAI-assistedmanufacturingallowsthesystemtocheckproductsontheassemblylineandcanquicklyspotanyflawslikescratchesorincorrectparts.DetailsReadandFillThemechanicuseda__________________tomeasurethediameterofthesmallmetalrodaccurately.Tocutthemetalpipeintoshorterpieces,hepickedupthe______________.Afterroughcuttingthemetalpart,heuseda____________tosmoothouttheedges.Thework-piecewasclampedtightlyinthe______________sothatitwouldn’tmoveduringthemillingprocess.The________________inthemillingmachinewasspinningatahighspeedtoremovetheexcessmaterialfromthework-piece.Thefactoryusesaspecial___________toproducehundredsofidenticalplasticpartswiththesameshape.

Writing1.verniercaliper,2.file,3.hacksaw,4.die,5.millingcutter,6.tablevice.verniercaliperfilehacksawdiemillingcuttertableviceReadandCompleteThemechanicisd_______aholeinthemetalplateforthebolttopassthrough.Heisusingadrillbit.Toshapethewoodenblockintoaspecificdesign,theyaregoingtouseamillingmachineform______.Thesurfaceofthemetalpartwasrough,sotheydecidedtodosomeg________tomakeitsmoothusinganabrasivebelt.Beforeassemblingthefurniture,theyneededtocutthewoodenplankstotherightlengthbys______.Tomakethewoodenboardflatandeven,thecarpenterusedaplaneforp__________.

WritingdrillingmillinggrindingsawingplanningReadandFill Inamachineshop,varioustoolsandoperationsareessentialforworkingondifferent______________(1).Thefirststepinmanymachiningtasksistoaccuratelymeasurethework-piece,andforthis,the_____________________(2)isacommonlyusedtool.Itallowsprecisedeterminationofdimensions.1Oncethemeasurementisdone,ifthetaskistocutapieceofmetalintoasmallersize,a(3)_______________mightbetherightchoice.Itssharpbladecansawthroughthematerialeffectively. Whenitcomestoshapingthework-piecebyremovingmaterialinarotationalmanner,theprocessof(4)_________iscarriedout.Here,thework-pieceisattachedtoamachineandmadeto(5)________whileacuttingtoolworksonit.

Writing1.milling;2.tablevice;3.die;4.materials;5.turning;6.hacksaw;7.verniercaliper;8.grinding;9.drilling;10.rotatematerialsverniercaliperhacksawturningrotateReadandFill Tocreateflatandsmoothsurfacesonthework-piece,theoperationof(6)__________isoftenemployed.Asuitablecuttingtoolisusedinthisprocesstograduallyremovetheexcessmaterial. Toholdthework-piecefirmlyinplaceduringtheseoperations,a(7)_______________isused.Itgripsthework-piecetightly,ensuringstabilityduringmachining. Aftertheinitialshaping,tofurtherrefinethesurfaceandmakeitsmoother,theoperationof(8)____________isapplied.Thisinvolvesusingabrasivetoolstopolishthesurface. Ifthetaskrequiresmakingholesinthework-piece,theprocessof(9)____________isused.Andwhenitcomestocreatingthreadsonarodorbolt,a(10)____________isneeded.

Writing1.milling;2.tablevice;3.die;4.materials;5.turning;6.hacksaw;7.verniercaliper;8.grinding;9.drilling;10.rotatemillingtablevicegrindingdrillingdieTalkandPracticePracticingTalkaboutthefollowingscenariosinseveralsentencesbyusingthesentencepatternsgiven.Couldyoushowmehowto...?First,youneedto...After...,youshould...Isee.AndhowdoI...Safetyalwayscomesfirstwhenyou...Practicemakesperfect.Themore...,the......needtofocuson...It’salsoimportantfor....tobecareful/persistent/cooperative.Youmayuse:TalkandPracticePracticingTalkaboutthefollowingscenariosinseveralsentencesbyusingthesentencepatternsgiven.A:CouldyoushowmehowtomakethissteelNezhafigure?B:Sure.First,youneedtodesignthe3DmodelofNezhaonthecomputer.Then,inputthedataofthemodelintothemachinethefive-axislinkagetechnology.Afterthat,selectthepropersteelmaterial.Youshouldadjusttheparametersofthemachineaccordingtothematerial’sproperties.A:Isee.AndhowlongdoesittaketomakesuchasteelNezha?B:Itdependsonthematerialandcomplexity.Itmighttakeabout20hoursforawoodenproduct,andforthissteelone,itprobablytakesaround30hours.A:Well,canthisfive-axislinkagetechnologybeusedforotherthings?B:Certainly.It’swidelyusedinmakingairplaneparts,chess,andevenhigh-precisionmedicaldevices.A:Whyisitsopopular?B:Becauseitissaferthanthetraditionaltechnologybymeansofthedigitaltwinsystem.Also,theproductsmadeareofbetterquality.A:Wonderful!Iwanttolearnmoreaboutthistechnology.Ibelievepracticemakesperfect.IfIkeeplearningandpracticing,I’llbeabletomasteritoneday.B:Exactly!Wealsoneedtofocusoneverydetailduringtheoperation.It’salsoimportantforustobepersistentandpatientbecausesometimestheprocesstakestime.Words&ExpressionsReadingartificial/ˌɑːtɪˈfɪʃl/adj.人造的；人工的；虚假的intelligence/ɪnˈtelɪdʒəns/n.智力；智能；情报algorithm/ˈælɡərɪðəm/n.算法；运算法则data/ˈdeɪtə/n.数据；资料predict/prɪˈdɪkt