《机电英语》中职全套教学课件

《机电英语》Chapter1MechanicalDrawingChapter2MachiningOperationChapter3ElectricalComponentsChapter4ElectricalEquipmentChapter5Mechatronics全套可编辑PPT课件

MechanicalDrawingCHAPTER1时间：202X.XByLearningObjectives01030204recognizethewordsofbasicsolids,machinepartsanddrawingstalkaboutdrawinginhandandcomputer-aideddrawingelicittheinformationaboutviewsdescribethedifferencesbetweendetaildrawingsandassemblydrawingsLookandSayWarmingUpDLookandMatchA.torusB.coneC.cubeD.cylinderE.prismF.sphere123456WarmingUpDEBFACGeometricShapesObserveandSayWhatbasicsolidscanyoufindfromthispicture?WarmingUpGeometricShapesAnalyseandSayWhatbasicsolidscanyoufindfromthefollowingmachineparts?

screwsgearsbearingspringsnutsWarmingUpGeometricShapesAnalyseandSayWhatbasicsolidscanyoufindfromthefollowingmachineparts?

Icanfindcylindersandconesinscrews.WarmingUpIcanfindcylindersandtorusesingears.Icanfindcylindersinbearings.Icanfindtorusesinsprings.Icanfindcylindersandprismsinnuts.ListenandChoose1.Whichofthefollowingviewsshowstheobjectfromabove?()A.FrontviewB.TopviewC.SideviewD.Rearview2.Inmechanicaldrawing,thesixprojectiveviewsareessentialfor_____.A.artisticcreationB.accuratedesignandmanufacturingC.simpledecorationD.randomrepresentationListeningBBListenandDecide(1)Themainprojectiveviewsinmechanicaldrawingincludetopview,frontviewandsideviewonly.(

)(2)Thefrontviewmainlyshowsthelengthandwidthoftheobject.()(3)Thebottomviewisexactlythesameasthetopview.()(4)Thesideviewincludestheleftsideviewandtherightsideview.(

)(5)Thesesixprojectiveviewsareveryimportantinmechanicalengineering.(

)ListeningFFFTTListenandFillA:Doyouknowaboutthesix(1)____________________inmechanicaldrawing?B:Yeah,thetopview,(2)_____________,andsideviewarethemainones.Thetopviewshowstheobjectfromabove.A:Right.Thefrontviewgivesaclearpictureofthefrontface.Andthesideviewhelpswithunderstandingthelateraldimensions.B:Thenthere’sthe(3)_______________,whichistheoppositeofthetopview.A:True.Andtherearview,whichislikethebacksideoftheobject.B:Andtheleftorright(4)_____________dependingonwhat’sneededforamorecomprehensiveunderstanding.A:Thesesixprojectiveviewstogetherprovidea(5)_____________representationofthemechanicalpart.B:Exactly,theyareessentialforaccuratedesignandmanufacturinginmechanicalengineering.ListeningprincipalviewsfrontviewbottomviewviewscompleteReadaloudinpairsA:Doyouoftendrawbyhandinmechanicaldrawing?B:Yeah,sometimes.Ifinditquiteenjoyable.A:Whatdoyoulikemostaboutit?B:IlikethefreedomtosketchandmakechangeseasilyasIgo.A:True.Butisn’tithardertobesuperaccuratecomparedtousingsoftware?B:Well,ittakesmorepractice.A:Indeed.What’sthefirststepwhenyoustartahand-drawnmechanicaldrawing?B:Iusuallystartwitharoughoutlineoftheshape.SpeakingReadaloudinpairsA:Oh,right.Andthenwhat?B:ThenIaddinthedetailsanddimensionsbitbybit.A:Doyouuseanyspecialpencilsortools?B:Justaregularmechanicalpencilandarulermostly.A:That’ssimpleyeteffective.Itseemshand-drawinginmechanicaldrawinghasitsownuniqueappeal.B:Definitely.SpeakingReadandunderlineA:Doyouoftendrawbyhandinmechanicaldrawing?B:Yeah,sometimes.Ifinditquiteenjoyable.A:Whatdoyoulikemostaboutit?B:IlikethefreedomtosketchandmakechangeseasilyasIgo.A:True.Butisn’tithardertobesuperaccuratecomparedtousingsoftware?B:Well,ittakesmorepractice.A:Indeed.What’sthefirststepwhenyoustartahand-drawnmechanicaldrawing?B:Iusuallystartwitharoughoutlineoftheshape.SpeakingReadandunderlineA:Oh,right.Andthenwhat?B:ThenIaddinthedetailsanddimensionsbitbybit.A:Doyouuseanyspecialpencilsortools?B:Justaregularmechanicalpencilandarulermostly.A:That’ssimpleyeteffective.Itseemshand-drawinginmechanicaldrawinghasitsownuniqueappeal.B:Definitely.Speaking163ReadandmakeaconversationA:HaveyouusedCADformechanicaldrawing?B:Yes,Ihave.Itisextremelyuseful.A:Whatdoyoulikeaboutit?B:It’ssopreciseandefficient.Youcanmakechangeseasily.A:True.Anditcancreatereallycomplexdesigns.B:Right.Plus,it’sgreatforsharingfileswithothers.A:Doyouthinkit’sbetterthanhand-drawing?B:Well,itdepends.CADisgreatforaccuracy,buthand-drawinghasitscharm.SpeakingReadandmakeaconversationA:Yeah,Iagree.What’syourfavoritefeatureofCAD?B:Theabilitytorotateandviewthedesignfromdifferentangles.A:That’sreallyhelpful.Itmakesiteasiertounderstandthedesign.A:DoyouthinkCADwillreplacehand-drawingcompletely?B:Noway.Hand-drawingisstillimportantforquicksketchesandideas.A:Agreed.Theybothhavetheirplaceinmechanicaldrawing.B:Definitely.Eachonehasitsownadvantages.SpeakingPracticeS:Mr.Wang,doyourememberwhenwedrewtogetherinmiddleschool?Youusedhand-drawing,andItriedCAD.Somuchfun!T:Ofcourse!So,nowyou’reamechanicaldraftspersontoo.WhatdoyouthinkofCAD?S:Well,CADisgreatforcreatingprecisedrawings.Ifinditreallyefficient.T:That’strue.ButIthinkmanualdrawingisstillimportantforunderstandingthestructure.Andwhenyoudrawbyhand,youcanbetterfeelthelines.S:Iagree.OneofmyfavoritefeaturesofCADisit’seasymakemodifications.IfImakeamistake,Icanjustclickafewbuttonstocorrectit.Butwhendrawingbyhand,Ineedtobeverycareful.T:Exactly.Eachonehasitsownadvantages.S:Yeah.Infact,whenIstartanewproject,Iusehand-drawingtodraftsomebasicideas,andthenuseCADtoimprovethem.T:That’sagreatidea.Also,whetheryou’reusingCADormanualdrawing,youneedtofocusonthedetails.S:Absolutely.Andit’salsoimportantforustobepersistent.Sometimes,adrawingcanbereallydifficult,butwecan’tgiveupeasily.Practicemakesperfect,afterall.T:You’reright.Keepexploringbothhand-drawingandCAD!Words&ExpressionsWarminguptorus:/ˈtɔːrəs/，n.圆环面；环形圆纹曲面；花托；隆凸gear:/ɡɪə(r)/，n.&v.n.齿轮；装置，工具；传动装置；排挡；v.使变速；使调档；使适合；bearing:/ˈbeərɪŋ/，n.轴承；关系；方位；举止spring:/sprɪŋ/，n.&v.n.弹簧；活力；v.使跳起；使爆炸；突然提出；使弹开；跳跃；涌出等nut:/nʌt/，n.螺母；螺帽；坚果；着迷的人，爱好者basic:/ˈbeɪsɪk/，adj.&n.adj.基本的；基础的；n.基础；要素solid:/ˈsɒlɪd/，adj.&n.adj.固体的；实心的；结实的；可靠的；n.固体；立体图形parts:/pɑːts/，n.&v.n.部分；零件；角色；部位（part的复数）；v.分开；使分开；将……分成部分；给（头发）分缝（part的第三人称单数）Words&ExpressionsListeningandSpeakingview:/vjuː/，n.&v.n.观点；视野；风景；看法；v.看待；查看；观看bottom:/ˈbɑːtəm/n.&adj.&v.，n.底部；末端；臀部；adj.底部的；v.到达底部；建立基础rear:/rɪr/n.&adj.&v.n.后面；后方部队；屁股；adj.后方的；后面的；v.饲养；养育；举起；树立projection:/prəˈdʒekʃn/，n.投影；投射；预测；凸出物projective:/prəˈdʒektɪv/，adj.投影的；投射的；射影的object:/ˈɑːbdʒekt/（作名词）；/əbˈdʒekt/（作动词），n.&v.n.物体；目标；对象；宾语；v.反对；提出…作为反对的理由mechanical:/mɪˈkænɪkl/，adj.机械的；力学的；呆板的；无意识的；手工操作的artistic:/ɑːrˈtɪstɪk/，adj.艺术的；有美感的；风雅的；艺术家的accurate:/ˈækjərət/，adj.精确的，准确的；正确无误的manufacturing:/ˌmænjuˈfæktʃərɪŋ/，n.&adj.n.制造业；adj.制造的；制造业的representation:/ˌreprɪzenˈteɪʃn/，n.代表；表现；表示法；陈述lateral:/ˈlætərəl/，adj.&n.adj.侧面的；横向的；旁系的；n.侧部；支线dimension:/dɪˈmenʃn/，n.&v.n.方面；尺寸；次元；容积；v.标尺寸；定规格；在…上标尺寸comprehensive:/ˌkɑːmprɪˈhensɪv/，adj.&n.adj.综合的；广泛的；有理解力的；n.综合学校；专业综合测验sketch:/sketʃ/，n.&v.n.素描；草图；梗概；v.画素描或速写；草拟；概述software:/ˈsɔːftwer/，n.软件appeal:/əˈpiːl/，n.&v.n.呼吁；恳求；上诉；吸引力；v.呼吁；恳求；上诉；有吸引力draftsperson:/ˈdræftspɜːsn/，n.绘图员；制图员efficient:/ɪˈfɪʃnt/，adj.有效率的；有能力的；生效的complex:/ˈkɑːmpleks/（作名词和部分形容词义）；/kəmˈpleks/（作形容词，表复杂义），adj.&n.adj.复杂的；合成的；n.复合体；综合设施；情结file:/faɪl/，n.&v.n.文件；档案；文件夹；锉刀；v.提出；把…归档；用锉刀锉；列队行进charm:/tʃɑːrm/，n.&v.n.魅力；吸引力；魔力；v.使陶醉；行魔法angle:/ˈæŋɡl/，n.&v.n.角度；角；观点；v.斜移；使带角度；钓鱼；谋取rotate:/ˈroʊteɪt/，v.旋转；使旋转；轮流；循环replace:/rɪˈpleɪs/，v.取代；代替；替换；把…放回原处MechanicalDrawingCHAPTER1时间：202X.XLearningObjectives01030204recognizethewordsofbasicsolids,machinepartsanddrawingstalkaboutdrawinginhandandcomputer-aideddrawingelicittheinformationaboutviewsdescribethedifferencesbetweendetaildrawingsandassemblydrawingsReadingDetailDrawingsandAssemblyDrawings Detaildrawingsandassemblydrawingsareessentialcomponentsinthefieldofengineeringandmanufacturing. Detaildrawingsprovidein-depthandpreciseinformationaboutasinglepartorcomponent.Theyshowallthenecessarydimensions,tolerances,surfacefinishes,andotherspecificdetails.Thesedrawingsactasacomprehensiveguideformachinists,fabricators,andotherworkersinvolvedinthemanufacturingprocess.Forexample,intheproductionofamechanicalgear,thedetaildrawingwouldspecifytheexactdiameter,toothprofile,andshaftsize.READINGReadingAssemblydrawings,ontheotherhand,focusonhowdifferentpartscometogethertoformacompleteassemblyorproduct.Theyshowtherelativepositions,orientations,andconnectionsbetweenvariouscomponents.Assemblydrawingsoftenincludeexplodedviews,whichprovideaclearvisualofhoweachpartfitsintothewhole.Inthecaseofanautomobileengine,theassemblydrawingwouldshowhowthepistons,cylinders,crankshaft,andothercomponentsareassembledtoworkinharmony.Bothdetaildrawingsandassemblydrawingsareintegraltothesuccessfuldesign,production,andmaintenanceofmechanicalandengineeringproducts.Theycommunicatethenecessaryinformationtodifferentteamsinvolvedintheproject.READINGReadandChooseREADING1.Whatdodetaildrawingsprovideinformationabout?()A.Acompleteassembly.B.Asinglepartorcomponent.C.Differentteamsinaproject.D.Explodedviews.2.Whatdoassemblydrawingsofteninclude?()A.Specificdetailsofasinglepart.B.Explodedviews.C.Onlydimensionsofcomponents.D.Informationonlyformachinists.3.Whoaredetaildrawingsaguidefor?(

)A.Designersonly.B.Managers.C.Machinists,fabricators,andothermanufacturingworkers.D.Salespeople.BBCReadandDecideREADING1.Detaildrawingsandassemblydrawingsareimportantinengineeringandmanufacturing.2.Detaildrawingsonlyshowthedimensionsofapart.3.Assemblydrawingsfocusonasinglepart.4.Explodedviewsareonlyfoundindetaildrawings.5.Bothdetaildrawingsandassemblydrawingscommunicateinformationtodifferentteams.TFFFTReadandCompleteCompareandcontrasttheinformationprovidedindetaildrawingsandassemblydrawingsintermsoftheirfocusandtheaudiencetheyserve.READINGDetaildrawingsfocusona(1)__________part,providingin-depthinformationsuchasdimensions,tolerances,andsurfacefinishes.Theyaremainlyusedby(2)___________________________________directlyinvolvedinmanufacturingindividualcomponents.Assemblydrawings,however,focusonhow(3)_______partscometogethertoformacompleteproduct.Theyshow(4)_________positions,orientations,andconnections,andofteninclude(5)_____________views.Theyaremoreusefulforassemblers,engineersoverseeingtheoverallproductassembly,andmaintenanceteams.Theformerispart-specific,whilethelatterisaboutthewholeproduct’sassembly.singlemachinists,fabricatorsandotherworkersdistinctrelativeexplodedReadandWriteWRITING1.Athree-dimensionalgeometricshapewithsixsquarefaces.（一种有六个正方形面的三维几何形状）____________2.Asolidgeometricfigurethatisshapedlikeaball.（一种形状像球的立体几何图形）____________3.Amechanicalpartoftenusedwithboltstofastenthingstogether.（一种常与螺栓一起用于将东西固定在一起的机械零件）_________

4.Atypeofprismwherethebasesarecircular.（一种底面是圆形的棱柱）____________5.Ageometricshapethathasacircularbaseandapointedtop.（一种有圆形底面和尖顶的几何形状）____________6.Amechanicalcomponentthatisoftenusedtotransmitmotionorpowerbetweenrotatingshafts.

（一种常用于在旋转轴之间传递运动或动力的机械部件）____________cubespherenutscylinderconegearsReadandWriteWRITING7.Athree-dimensionalshapethatlookslikeadonut(甜甜圈).（一种类似甜甜圈的三维形状）____________8.Amechanicalpartthatprovidessupportandreducesfrictioninarotatingsystem.（一种在旋转系统中提供支撑并减少摩擦的机械部件）_____________9.Acoiledmechanicaldevicethatcanstoreandreleaseenergy.（一种能储存和释放能量的螺旋状机械装置）____________10Asmall,threadedmetalobjectusedtojointhingstogether.（一种用于将东西连接在一起的小型带螺纹的金属物体）__________11.Atypeofgeometricsolidwithflatfacesandstraightedges.（一种具有平面和直边的几何立体类型）____________12Amechanicalpartthatisoftencircularandrotatesaroundanaxis.（一种通常是圆形并绕轴旋转的机械部件）____________torusbearingsspringsscrewsprismgearsReadandFillWRITING1.Thefrontviewofanobjectisalsoknownasthe_____________view.2.Theviewthatshowstheobjectfromaboveiscalledthe________view.3.Whenwelookattheobjectfromtheleftside,wegetthe_______view.4.Theviewseenfromtherightsideoftheobjectisthe________view.5.Lookingattheobjectfromunderneathgivesusthe__________view.6.Theviewthatshowsthebackoftheobjectisthe__________view.principaltopleftrightbottomrearPartA:BasicVocabulary(基础词汇)ReadandFillWRITING1.Inthetopview,wecanseethelayoutoftheobject’s_________(top/bottom)surface.2.Theleftviewhelpsusunderstandtheobject’s__________(left/right)sideprofile.3.Whenlookingattherightview,wefocusontheobject’s__________(left/right)sidedetails.4.Thebottomviewrevealstheshapeanddetailsoftheobject’s____________(top/bottom)part.5.Therearviewprovidesinformationabouttheobject’s_________(front/back)sidethatisnotvisiblefromotherviews.topleftrightbottombackPartB:DescribingViews(描述视图)ReadandCompleteWRITINGcomputeraideddrawing;drawup;assemblydrawing;principalviews;consistof;drawinginhand;views,sectionsandcuts;detaildrawing;basicsolid;standforInmechanicaldesign,theprocessofcreatingtechnicaldrawingsisofgreatimportance.Technicaldrawingsusually(1)______________differentelementstoaccuratelyrepresentanobjectoramechanicalpart.Forexample,an(2)__________________________isatypeofdrawingthatshowshowdifferentpartsareputtogether.Itoftencontainsmultiple(3)_______________________________suchasfrontview,topview,andsideview,whicharealsoknownas(4)______________________.consistofassemblydrawingviews,sectionsandcutsprincipalviewsReadandCompleteWRITINGcomputeraideddrawing;drawup;assemblydrawing;principalviews;consistof;drawinginhand;views,sectionsandcuts;detaildrawing;basicsolid;standforWhenwetalkaboutdetailedrepresentationofaspecificpart,weusea(5)____________________.Thiskindofdrawingprovidesin-depthinformationaboutthepart'sshape,size,andotherdetails.Andforcreatingthesedrawings,sometimeswerelyonadvancedsoftwarelike(6)_______________________________(CADforshort),whichhelpsdesignerstocreateandmodifydrawingsmoreefficiently.Beforefinalizingadrawing,designersmayneedto(7)____________adraftfirst.Theyconsidervariousfactorsandmakeadjustmentsaccordingtotheactualrequirements.Duringthisprocess,theyneedtoshowdifferentformsoftheobject,including(8)______________,topresentacomprehensiveunderstandingoftheobject’sstructure.detaildrawingcomputeraideddrawingdrawupbasicsolidTalkandPracticePRACTICETalkaboutthefollowingscenariosinseveralsentencesbyusingthesentencepatternsgiven.TalkandPracticePRACTICEYoumayuse：CADisgreatfor...Ifindit...Oneofmyfavoritefeaturesof...is...Drawinginhandisstillimportantfor...Eachonehasitsownadvantages.Practicemakesperfect.Themore...,the...Itusuallytakes...hours/daysto...adrawing....needtofocuson...It’salsoimportantfor....tobecareful/persistent.Words&ExpressionsReadingassembly:/əˈsembli/；n.装配；集会；集合；议会component:/kəmˈpoʊnənt/；n.&adj.；n.组成部分；成分；组件；adj.组成的；构成的dimension:/dɪˈmenʃn/；n.&v.；n.方面；尺寸；规模；维度；v.标注尺寸tolerance:/ˈtɑːlərəns/；n.公差；宽容；容忍；忍耐finish:/ˈfɪnɪʃ/；v.&n.；v.完成；结束；磨光；n.结尾；结束；饰面machinist:/məˈʃiːnɪst/；n.机械师；机工；机械安装修理工fabricator:/ˈfæbrɪkeɪtər/；n.制造者；加工厂；造假者diameter:/daɪˈæmɪtər/；n.直径toothprofile:/tuːθˈproʊfaɪl/；n.齿形；齿廓shaft:/ʃæft/；n.轴；杆；柄；矛orientation:/ˌɔːriənˈteɪʃn/；n.方向；定向；定位；适应exploded:/ɪkˈsploʊdɪd/；adj.爆炸了的；分解的；被开除的automobile:/ˈɔːtəməbiːl/；n.汽车engine:/ˈendʒɪn/；n.发动机；引擎；机车；火车头piston:/ˈpɪstən/；n.活塞crankshaft:/ˈkræŋkʃæft/；n.曲轴；机轴integral:/ˈɪntɪɡrəl/；adj.&n.；adj.不可或缺的；重要的；整体的；n.积分；完整communicate:/kəˈmjuːnɪkeɪt/；v.交流；沟通；传达；传染Words&ExpressionsWritinggeometric:/ˌdʒiːəˈmetrɪk/；adj.几何的；几何学的motion:/ˈmoʊʃn/；n.&v.n.运动；移动；动作；提议；v.示意；打手势friction:/ˈfrɪkʃn/；n.摩擦；摩擦力；不和；争执underneath:/ˌʌndərˈniːθ/；prep.&adv.&n.prep.在……下面；adv.在下面；在底下；n.下部；底部layout:/ˈleɪaʊt/；n.布局；布置；设计；安排；版面编排focuson...:/ˈfoʊkəsɑːn/；关注；聚焦于section:/ˈsekʃn/；n.&v.n.部分；部门；章节；截面；v.把……切成片；把……分成部分cut:/kʌt/；v.&n.v.切；割；砍；削减；n.伤口；切口；削减element:/ˈelɪmənt/；n.要素；基本部分；元素；成分multiple:/ˈmʌltɪpl/；adj.&n.adj.数量多的；多种多样的；n.倍数modify:/ˈmɑːdɪfaɪ/；v.修改；更改；修饰；调整finalize:/ˈfaɪnəlaɪz/；v.敲定；最终确定present:/ˈpreznt/；（作名词、形容词）；/prɪˈzent/（作动词）adj.&n.&v.adj.现存的；当前的；出席的；n.礼物；现在；v.呈现；赠送；提出；展示draft:/dræft/；n.&v.n.草稿；草案；草图；v.起草；草拟；选派numerous:/ˈnuːmərəs/；adj.众多的；许多的structure:/ˈstrʌktʃər/；n.&v.n.结构；构造；建筑物；v.构造；组织；安排MachiningOperationCHAPTER2时间：202X.XLearningObjectives01030204recognizethewordsofmachiningtools,equipmentandtechniquestalkaboutdrawinghowtomachineaworkpieceelicittheinformationaboutusingtoolssafelydescribethefeaturesandapplicationsofAI-assistedmanufacturingLookandSayWarmingUpLookandMatchWarmingUpA.verniercaliper

B.fileC.hacksawD.dieE.millingcutterF.tableviceverniercaliperfilehacksawdiemillingcuttertableviceObserveandSayWhatarethesetoolsusedfor?WarmingUpLookandNameWarmingUpB.verticallatheH.verticalmachiningcenterC.verticalmillingmachineA.CNClatheB.verticallatheC.verticalmillingmachineD.centerlatheE.horizontalmillingmachineF.horizontalmachiningcenterG.five-axisCNCmachinetoolH.verticalmachiningcenterI.grindingmachineLookandNameWarmingUpD.centerlatheA.CNClatheF.horizontalmachiningcenterA.CNClatheB.verticallatheC.verticalmillingmachineD.centerlatheE.horizontalmillingmachineF.horizontalmachiningcenterG.five-axisCNCmachinetoolH.verticalmachiningcenterI.grindingmachineLookandNameWarmingUpA.CNClatheB.verticallatheC.verticalmillingmachineD.centerlatheE.horizontalmillingmachineF.horizontalmachiningcenterG.five-axisCNCmachinetoolH.verticalmachiningcenterI.grindingmachineE.horizontalmillingmachineG.five-axisCNCmachinetoolI.grindingmachineListenandChooseListening1.Whichmachiningprocessismainlyusedtocreatecylindricalparts?(

)MillingB.TurningC.DrillingD.Grinding2.Whatdoesmillingusetocreatevariousshapes?(

)A.Arotatingwork-pieceagainstacuttingtool.B.Arotatingcutter.C.Adrillingtool.D.Agrindingwheel.BBListenandChooseListening3.Thefinalsteptoachieveafinesurfacefinishisusuallywhichofthefollowingmachiningprocesses?()Turning.B.Milling.C.Drilling.D.Grinding.4.Thechoiceofmachiningprocessesdependsonseveralfactors.WhichofthefollowingisNOTmentionedasafactor?(

)A.Partshape.B.Partcolor.C.Material.D.Precisionneeds.DBListenandDecideListeningTurninginvolvesrotatingacuttingtoolagainstaworkpiece.()Drillingisusedtomakeholesintheworkpiece.()Machiningprocessesarealwaysusedindividually.()Thereareonly4machiningprocesses.()TTFFListenandFill

Machiningisvitalinmanufacturing.Turning___________awork-pieceagainstacuttingtoolforcylindricalparts.Millingusesarotating___________tocreatevariousshapes.Drillingmakesholes,and_____________achievesfinesurfacefinish.Combinationsoftheseprocessesarecommon.Forexample,apartmayfirstbeturned,then__________andfinallyground.Thechoicedependsonpartshape,____________,andprecisionneeds.ListeningrotatescuttergrindingmilledmaterialsReadaloudinpairsA:Hi,couldyoupleaseshowmehowtooperatethismachiningcenter?B:Sure!First,youneedtopoweronthemachine.Lookforthepowerbuttonoverthere.A:Okay,gotit.Thenwhat?B:Afterpoweringon,youshouldloadthework-pieceontotheworktablecarefullyandsecureitproperly.Usetheclampingdevicestoholditfirmly.A:Right.HowdoIsetthecuttingparameters?SpeakingReadaloudinpairsB:Well,youenterthecontrolpanelhere.Thereareoptionstosetthespindlespeed,feedingrate,andcuttingdepth.Youneedtoadjustthemaccordingtothematerialoftheworkpieceandtherequirementsofthemachiningtask.A:Isee.AndhowdoIstarttheactualmachiningprocess?B:Onceyou’vesetalltheparameterscorrectly,youjustpressthestartbuttononthepanel.Butmakesureeverythingisinplaceandsafebeforethat.A:Thankyousomuchforyourhelp!B:You’rewelcome.Remember,safetyalwayscomesfirstwhenoperatinganymachineryforanoperator.Goodluckwithyourmachine!SpeakingA:Hi,couldyoupleaseshowmehowtooperatethismachiningcenter?B:Sure!First,youneedtopoweronthemachine.Lookforthepowerbuttonoverthere.A:Okay,gotit.Thenwhat?B:Afterpoweringon,youshouldloadthework-pieceontotheworktablecarefullyandsecureitproperly.Usetheclampingdevicestoholditfirmly.A:Right.HowdoIsetthecuttingparameters?ReadandunderlineSpeakingReadandunderlineSpeakingB:Well,youenterthecontrolpanelhere.Thereareoptionstosetthespindlespeed,feedingrate,andcuttingdepth.Youneedtoadjustthemaccordingtothematerialoftheworkpieceandtherequirementsofthemachiningtask.A:Isee.AndhowdoIstarttheactualmachiningprocess?B:Onceyou’vesetalltheparameterscorrectly,youjustpressthestartbuttononthepanel.Butmakesureeverythingisinplaceandsafebeforethat.A:Thankyousomuchforyourhelp!B:You’rewelcome.Remember,safetyalwayscomesfirstwhenoperatinganymachineryforanoperator.Goodluckwithyourmachine!ReadandmakeaconversationOperatingaMillingMachineOperatingamillingmachinerequirescarefulsteps.Firstly,putonPPE(personallaborprotectequipment:helmet,safetyshoes,boilershirts,goggles,glovesandsoon)afterreadinginstructionmanualandattentionnotesorwarningsforthemachine.Then,turnonthepowerandletthemachineinitialize.Next,firmlyclamptheworkpieceonthetable.Setthespindlespeed,feedrate,andmillingdepthbasedonthematerialanddesiredcut.Beforestarting,double-checkallsettingsandthework-piece’ssecurity.Pressthestartbuttontobeginmilling.Oncethetaskiscompleted,stopthespindleandturnoffthepower.Remember,precisionandsafetyarecrucialthroughouttheoperation.SpeakingWords&ExpressionsWarmingupverniercaliper/'vɜːniə(r)'kælɪpə(r)/n.游标卡尺hacksaw/'hæksɔː/n.钢锯die/daɪ/n.模具；冲模；v.死亡millingcutter/'mɪlɪŋ'kʌtə(r)/n.铣刀tablevice/'teɪblvaɪs/n.台虎钳CNClathe/ˌsiːen'siːleɪð/n.数控车床centerlathe/'sentə(r)leɪð/n.普通车床millingmachine/'mɪlɪŋmə'ʃiːn/n.铣床machiningcenter/mə'ʃiːnɪŋ'sentə(r)/n.加工中心vertical/'vɜːtɪkl/adj.垂直的；直立的；n.垂直线horizontal/ˌhɒrɪ'zɒntl/adj.水平的five-axislinkage/'faɪv'æksɪs'lɪŋkɪdʒ/n.五轴联动grindingmachine/'ɡraɪndɪŋmə'ʃiːn/n.磨床Words&ExpressionsListeningandSpeakingmachining/məˈʃiːnɪŋ/n.机械加工；加工button/ˈbʌtn/n.按钮；纽扣；v.扣住；扣紧load/ləʊd/n.负载；负荷；工作量；v.装载；使担负parameter/pəˈræmɪtə(r)/n.参数；参量turning/ˈtɜːnɪŋ/n.转弯处；车工工艺；旋转workpiece/ˈwɜːkpiːs/n.工件operate/ˈɑːpəreɪt/v.操作；运转；经营；动手术operator/ˈɑːpəreɪtər/n.操作人员；接线员；经营者；（外科）手术执行者manual/ˈmænjuəl/adj.手工的；体力的；手动的；n.手册；指南；说明书spindle/ˈspɪndl/n.轴；纺锤；v.装锭子；长得细长feedrate/ˈfiːdreɪt/n.进给率；进料速度goggle/ˈɡɑːɡl/v.瞪大眼睛看；n.护目镜initialize/ɪˈnɪʃəlaɪz/v.初始化；预设clamp/klæmp/n.夹具；夹子；v.夹紧；固定precision/prɪˈsɪʒn/n.精确；精度；adj.精密的；精确的MachiningOperationCHAPTER2时间：202X.XLearningObjectives01030204recognizethewordsofmachiningtools,equipmentandtechniquestalkaboutdrawinghowtomachineawork-pieceelicittheinformationaboutusingtoolssafelydescribethefeaturesandapplicationsofAI-assistedmanufacturingReadingReadingAI-AssistedManufacturingInmoderntimes,artificialintelligence(AI)isplayinganincreasinglyimportantroleinmanufacturing.AIcan