機(jī)電一體化專業(yè)英語-教案

《機(jī)電一體化專業(yè)英語》（EnglishforMechatronics）授課教案TeachingPlanMajor(專業(yè))：機(jī)電一體化XXXX專業(yè)（相關(guān)專業(yè)）Lecturer(任課教師)：__________________________MechatronicsSectionChangchunAutomobileIndustryInstitute2022.3《機(jī)電一體化專業(yè)英語》授課計(jì)劃________學(xué)院___專業(yè)班20－20學(xué)年第學(xué)期授課時(shí)間：第周課程名稱CourseName機(jī)電一體化專業(yè)英語EnglishforMechatronics授課教師Lecturer課程類型TypeofCourse授課對(duì)象Students授課學(xué)時(shí)Period28-30育人目標(biāo)EducationalTarget什么是“工匠精神”？工匠精神是精益求精、精雕細(xì)琢的精神，是孜孜以求、追求卓越的執(zhí)著，是一輩子專注一件事的境界。Whatis“craftsmanspirit”?Thecraftsmanspiritisthespiritofexcellence,thededicationofpursuingexcellence,andtherealmoffocusingononethingallone'slife.

教學(xué)目標(biāo)TeachingObjectives知識(shí)目標(biāo)KnowledgeObjective了解機(jī)電一體化一般知識(shí)、掌握關(guān)鍵詞匯、短語、句子及術(shù)語Helpthestudentstolearncommonknowledgeofmechatronics,keywords,phrases,sentencesandterms.能力目標(biāo)AbilityObjective培養(yǎng)學(xué)生的讀、說、譯的能力Developstudents'abilityofreading,speakingandtranslating.情感目標(biāo)EmotionObjective培養(yǎng)學(xué)生的興趣、自信、自主學(xué)習(xí)、合作精神；明白學(xué)習(xí)目標(biāo)Cultivatestudents'interest,self-confidence,self-learningandcooperationspirit;knowthelearninggoals.教學(xué)重點(diǎn)KeyPoints1.Getmoreinformationaboutthemachinesstructureinthetopicofthisunit.2.Machinetool

practicecognition.教學(xué)難點(diǎn)DifficultPoints1.Understandthekeywords,phrasesandsentencesinthepassage.2.Translatethesimplematerialorspecificationofmachines.教學(xué)方法TeachingMethods?Explanation?Groupdiscussion?Questionsandanswers?Performance(Role-play)?Machinetoolspecification教學(xué)手段TeachingMeans?Multi-media?Videos?NetworkResource教學(xué)安排TeachingArrangement教學(xué)內(nèi)容ContentsofCourse學(xué)時(shí)Period精讀SectionITechnicalandPracticalReading2機(jī)床構(gòu)造SectionIIGlanceattheStructureoftheMachineTool1試試身手（實(shí)踐部分）SectionIIISimulatedWriting(Practice)2擴(kuò)大您的視野（實(shí)踐部分）SectionIV(Practice)1授課內(nèi)容及要點(diǎn)TeachingContentsandMainPointsUnit1BasicMechanicalTechnology精讀SectionITechnicalandPracticalReadingPeriod2PartI.Leadingin1.RevisionAskseveralstudentsiftheyknowthemachinetools,historyofmachinetoolsandimportantmachinemanufacturers.Arousestudentstoanswerteacher’squestionsaccordingtothePassageA/BforintroductiontomachineandmoldsinUnit1.2.Warmingupquestions1)Askstudentstoworkingroupsoffourtoreadnewwordsandphrases.2)Talkaboutkindsofcars.PartII.ComprehensionandPracticing1.CheckingandExplaining1)RaisessomequestionsaboutmachinetoolsaccordingtothepassageoftheTextbookMechanicalTechnologytoseehowmuchthey’veunderstood.2)RaisessomequestionsandasksstudentstoanswerindetailsaccordingtothepassageoftheTextbookMechanicalTechnologyatthesametimeexplainingsomelanguagepoints.3)Possibledifficultwords,phrasesandsentences.?KeyWords:lathen.A

lathe

isamachinewhichisusedforshapingwoodormetal.車床e.g.This

latheis

easyto

operate.

這臺(tái)機(jī)床容易操作。machinistn.A

machinist

isapersonwhose

\o"job的釋義"job

istooperateamachine,especiallyina

\o"factory的釋義"factory.機(jī)械師e.g.His

father

is

a

machinist

in

an

aerospace

plant.

他的父親是一家航空工廠的機(jī)械師。calipern.Calipers

arean

\o"instrument的釋義"instrument

consistingoftwolong,

\o"thin的釋義"thin

piecesofmetal

\o"joined的釋義"joined

\o"together的釋義"together

atoneend,andareusedto

\o"measure的釋義"measure

the

\o"size的釋義"size

ofthings.卡尺e.g.He

picked

upthe

calipersandmeasured

carefully.

他拿起卡鉗仔細(xì)量了量。dimensionn.Aparticular

dimension

ofsomethingisaparticularaspectofit.尺寸e.g.This

wasthe

long

dimension.

這就是長(zhǎng)度的尺寸。gagen.something

\o"deposited的釋義"deposited

as

\o"security的釋義"security

againstthefulfillmentofan

\o"obligation的釋義"obligation;

\o"pledge的釋義"pledge量規(guī)e.g.Check

thebacklashof

gears

with

dial

gageandcomparewithvaluesshownontheassembly

drawing.

使用千分表檢查齒輪之間齒隙，與安裝圖紙上的數(shù)值進(jìn)行比較。contrastingcolor對(duì)比色e.g.Frequently,

foradecorative

touch,

acontrastingcolor

thread

is

used.

這種縫型常用作裝飾格調(diào)，使用的線是對(duì)比色。machiningproperty加工性能e.g.In

magnetic

abrasive

polishing,the

property

of

machining

device

hasgreateffectonwork-piece

quality.

在磁力研磨加工中，磁力研磨裝置的性能對(duì)加工質(zhì)量的影響很大。Sentences:1.Centerdrillsarestiff,stubbylittledrillsusedtostartholesintheendofwork-piece.本句是個(gè)簡(jiǎn)單句。句中usedtostart…是后置定語，修飾stubbylittledrills。全句可譯為：中心鉆是堅(jiān)硬的、粗而短的小型鉆頭，用于在工件端面開孔。2.DigitalcalipersareusedjustlikedialcalipersformakinginsideandoutsidemeasurementsaccuratetoonethousandthofaninchbuthaveadirectLCDdigitalreadout.本句稍長(zhǎng)，但它是一個(gè)并列句。句中“but”為連詞，譯為“而且”。全句可譯為：數(shù)顯卡尺就像帶表卡尺一樣，被用來實(shí)現(xiàn)千分之一英寸的內(nèi)外精確測(cè)量，而且?guī)в幸粋€(gè)液晶顯示器。3.Aftermountingthefaceplateonthespindle,itisstandardpracticeforfaceplatestotakealightone-timefacingcuttoensurethatthefaceoftheplateissquarewiththelathe.本句是一個(gè)復(fù)合句，After…引導(dǎo)出介詞短語，主語為totake…，而toensurethat…又引導(dǎo)出一個(gè)狀語從句。全句可譯為：在把花盤安裝在主軸上后,常規(guī)作法是對(duì)斷面進(jìn)行一次性的輕切削以確?；ūP表面與車床主軸垂直。機(jī)床構(gòu)造SectionIIGlanceatMachineToolStructuresPeriod1Thefollowingisthemachinetoolstructures.ExplanationsoftheMachineToolTermsNo.NameExplanation1Spindlespeedselector主軸速度轉(zhuǎn)換開關(guān)2Headstockassembly主軸箱3Spindlewithchuck附有夾具主軸4Toolpost刀架5Compoundrest復(fù)式刀架6Crossslide橫向拖板7Carriage滑鞍，滑座8Ways導(dǎo)軌9Deadcenter死頂尖10Tailstockquill尾架頂尖套筒11Tailstockassembly尾架12Hand-wheel手輪13Bed底座，床身14Leadscrew絲杠15Feedrod進(jìn)刀杠，光杠16Clutch離合器17Longitudinal&transversefeedcontrol縱向和橫向進(jìn)給控制18Split-nutcontrol開合螺母控制19Apron溜板箱，進(jìn)給箱20Chippan承屑盤21Feedselector進(jìn)給選擇開關(guān)Thefollowingistheconventionalmachinetool.Youarerequiredtochoosethesuitablewordsorphrasesgivenbelow.CommonLathe(普通車床)1.________(雙刀塔車床)2.________(自動(dòng)車床)3.________(

立式車床)4.________（專用車床）5.________（臥式車床）6.________(管子螺紋車床)Special

Purpose

LathePipe

Screw-cutting

LatheVertical

LatheDoubleTurretLatheHorizontal

LatheAutomaticLathe試試身手SectionIIISimulatedWriting(Practice)Period2HaveaTrySample1ExplanationsofTermsNo.NameExplanation1Anvil固定爪2Spindle伸縮爪(軸)3Lockring防松環(huán)4Vernier游標(biāo)尺5Spindlenut軸螺母6Adjustingnut調(diào)節(jié)螺母7Scale刻度8Thimble外套管9Ratchetknob棘輪旋鈕Choosethebestanswer.1.Stepmeasuringface

A.緊固螺絲2.Insidemeasuringface

B.校準(zhǔn)貼紙3.LCDDisplayScreen

C.內(nèi)徑測(cè)量面4.inch/mmkey D.尺身5.Lockingscrew E.階梯測(cè)量面6.Batterycover

F.開/關(guān)鍵7.Body

G.公英制轉(zhuǎn)換鍵8.Calibrationsticker H.液晶顯示屏9.Depthbar

I.外徑測(cè)量面10.Zero-settingkey

J.滑尺11.On/Offkey

K.電池蓋12.Slider

L.清零鍵13.Outsidemeasuringface M.測(cè)深桿擴(kuò)大您的視野（實(shí)踐部分）SectionIVBroadenYourHorizon—PracticalActivity(Practice)Period1PracticeThemicrometerscrewgaugeThemicrometerscrewgaugeisusedtomeasureevensmallerdimensionsthantheverniercaliper.Themicrometerscrewgaugealsousesanauxiliaryscale(measuringhundredthsofamillimeter)whichismarkedonarotarythimble.Basicallyitisascrewwithanaccuratelyconstantpitch.

Themicrometersinourlaboratoryhaveapitchof0.50mm.

Therotatingthimbleissubdividedinto50equaldivisions.

Thethimblepassesthroughaframethatcarriesamillimetrescalegraduatedto0.5mm.

Thejawscanbeadjustedbyrotatingthethimbleusingthesmallratchetknob.

Thethimblemustberotatedthroughtworevolutionstoopenthejawsby1mm.Hereisausefulapplettolearnhowtousethemicrometerscrewgauge(Figure1-19).Figure1-19ThemicrometerscrewgaugeInordertomeasureanobject,theobjectisplacedbetweenthejawsandthethimbleisrotatedusingtheratchetuntiltheobjectissecured.Notethattheratchetknobmustbeusedtosecuretheobjectfirmlybetweenthejaws,otherwisetheinstrumentcouldbedamagedorgiveaninconsistentreading.Notethatanadditionalhalfscaledivision(0.5mm)mustbeincludedifthemarkbelowthemainscaleisvisiblebetweenthethimbleandthemainscaledivisiononthesleeve.Theremainingtwosignificantfigures(hundredthsofamillimeter)aretakendirectlyfromthethimbleoppositethemainscale.InFigure1-20thelastgraduationvisibletotheleftofthethimbleis7mmandthethimblelinesupwiththemainscaleat38hundredthsofamillimeter(0.38mm);thereforethereadingis7.38mm.InFigure1-21thelastgraduationvisibletotheleftofthethimbleis7.5mm;thereforethereadingis7.5mmplusthethimblereadingof0.22mm,

giving7.72mm.

Figure1-20Thereadingis7.38mmFigure1-21Thereadingis7.27mmInFigure1-22themainscalereadingis3mmwhilethereadingonthedrumis0.46mm;therefore,thereadingis3.46mm.InFigure1-23the0.5mmdivisionisvisiblebelowthemainscale;thereforethereadingis3.5mm+0.06mm=3.56mm.Figure1-22Thereadingis3.46mmFigure1-23Thereadingis3.56mmTrythefollowingbgyourselfFigure1-24Figure1-25Figure1-26AssignmentA:Doexercise1,2,3,4and7.B:Askstudentstocollectsomeexternalmachinetools.《機(jī)電一體化專業(yè)英語》授課計(jì)劃________學(xué)院___專業(yè)班20－20學(xué)年第學(xué)期授課時(shí)間：第周課程名稱CourseName機(jī)電一體化專業(yè)英語EnglishforMechatronics授課教師Lecturer課程類型TypeofCourse考查授課對(duì)象Students授課學(xué)時(shí)Period28-30育人目標(biāo)EducationalTarget心專一藝，事在一工，念系一職。Focusonaskill,loveajob,anddedicatedtoonejob.教學(xué)目標(biāo)TeachingObjectives知識(shí)目標(biāo)KnowledgeObjective了解機(jī)電一體化一般知識(shí)、掌握關(guān)鍵詞匯、短語、句子及術(shù)語Helpthestudentstolearncommonknowledgeofmechatronicss,keywords,phrases,sentencesandterms.能力目標(biāo)AbilityObjective培養(yǎng)學(xué)生的讀、說、譯的能力Developstudents'abilityofreading,speakingandtranslating.情感目標(biāo)EmotionObjective培養(yǎng)學(xué)生的興趣、自信、自主學(xué)習(xí)、合作精神；明白學(xué)習(xí)目標(biāo)Cultivatestudents'interest,self-confidence,self-learningandcooperationspirit;Knowthelearninggoals.教學(xué)重點(diǎn)KeyPoints1.GetmoreinformationabouttheMechatronicsstructureinthetopicofthisunit.2.Machinetool

practicecognition.教學(xué)難點(diǎn)DifficultPoints1.Understandthekeywords,phrasesandsentencesinthepassage.2.Translatethesimplematerialorspecification.教學(xué)方法TeachingMethods?Explanation?Groupdiscussion?Questionsandanswers?Performance(Role-play)?Machinetoolspecification教學(xué)手段TeachingMeans?Multi-media?Videos?NetworkResource教學(xué)安排TeachingArrangement教學(xué)內(nèi)容ContentsofCourse學(xué)時(shí)Period精讀SectionITechnicalandPracticalReading2機(jī)床構(gòu)造SectionIIGlanceattheStructureoftheMachineTool1試試身手（實(shí)踐部分）SectionIIISimulatedWriting(Practice)2擴(kuò)大您的視野（實(shí)踐部分）SectionIV(Practice)1授課內(nèi)容及要點(diǎn)TeachingContentsandMainPointsUnit2MetalMaterials精讀SectionITechnicalandPracticalReadingPeriod2PartI.Leadingin1.RevisionAskseveralstudentsiftheyknowthemachinetoolstructures,metalmaterialsandimportantmachinetoolmanufacturers.Arousestudentstoanswerteacher’squestionsaccordingtothePassageA/BforintroductiontometamaterialsinUnit2.2.Warmingupquestions1)Askstudentstoworkingroupsoffourtoreadnewwordsandphrases.2)Talkaboutmetalmaterials.PartII.ComprehensionandPracticing1.CheckingandExplaining1)RaisessomequestionsaboutmechatronicsaccordingtothepassageoftheTextbookMetalMaterialtoseehowmuchthey’veunderstood.2)RaisessomequestionsandasksstudentstoanswerindetailsaccordingtothepassageoftheTextbookMetalMaterialatthesametimeexplainingsomelanguagepoints.3)Possibledifficultwords,phrasesandsentences.?KeyWords:corrosionn.Corrosion

isthe

\o"damage的釋義"damage

thatiscausedwhensomethingis

\o"corroded的釋義"corroded.腐蝕e.g.Zincisusedtoprotectothermetalsfromcorrosion.鋅被用來保護(hù)其他金屬不受腐蝕。crankshaftn.A

crankshaft

isthemainshaftofaninternalcombustionenine.曲軸e.g.Theenginehadabrokencrankshaft.發(fā)動(dòng)機(jī)都有損壞的曲軸。hardnessn.

thestateorqualityofbeinghard硬度e.g.This

process

removesthe

water

hardness.

這一工藝去除水的硬度。heat-treateda.toheatand

\o"cool的釋義"cool

(ametal)soastochangeitsductilityorotherpropertiesina

\o"desired的釋義"desired

way熱處理的e.g.Thebody

is

made

ofheat-treated

aluminumalloy.

機(jī)體采用熱處理的鋁合金制造而成。conductivityn.thepropertyofconductingortransmittingheat,electricity,etc.傳導(dǎo)性e.g.The

effect

of

temperature

on

conductivity

of

metals

is

small.

溫度對(duì)金屬導(dǎo)電率的影響是很小的。leadscrew絲杠e.g.Thereis

acertain

of

difficulties

thatthe

process

ofmanufacturecannotbe

observed

easilyand

controlled

safely

when

the

big-lead

screw

in

theCNClathe.在數(shù)控車床上加工大螺距螺桿有一定的技術(shù)難度，加工時(shí)不便觀察且安全可控性差。stainlesssteel不銹鋼e.g.It's

possible

toweld

stainlesssteel

to

ordinary

steel.

將不銹鋼和普通鋼焊接在一起是可能的。Sentences:1.Metalsareusedinelectronicsforwiresandincookwareforpotsandpansbecausetheyconductelectricityandheatwell.這句中，beusedin“被用于…”。because引導(dǎo)原因狀語從句。在這個(gè)從句中，conduct有兩個(gè)賓語：electricity和heat。全句可譯為：金屬在電子行業(yè)中用來作導(dǎo)線，在炊具中用來作鍋碗瓢盆，這是因?yàn)樗鼈儗?dǎo)電、導(dǎo)熱性能都好。2.Twoormoremetalscanbealloyedtocreatematerialswithpropertiesthatdonotexistinapuremetal.主語為Twoormoremetals。with意為“具有”。that引導(dǎo)定語從句，先行詞為properties。全句可譯為：兩種或更多種的金屬可以形成合金材料，這些合金材料具有純金屬不存在的特性。3.Allferrousmetalsaremagneticandhavepoorcorrosionresistancewhilenon-ferrousmetalsaretypicallynon-magneticandhavemorecorrosionresistance.此句中，while用作連詞，連接兩個(gè)并列的句子，表示對(duì)比關(guān)系。其中，兩個(gè)并列句的謂語動(dòng)詞又都是由and連接的并列謂語。該句可譯為：所有的黑色金屬都具有磁性和較差的耐蝕性，而有色金屬通常不具有磁性，卻有較強(qiáng)的耐蝕性。機(jī)床構(gòu)造SectionIIGlanceatMachineToolStructuresPeriod1Thefollowingisthevicejawstructures.ExplanationsoftheViceJawTermsNo.NameExplanation1Fixedjaw固定鉗口2Hardenedandground已硬化和磨光3Specialangle-locksystem特制的角鎖緊系統(tǒng)4Vicebody虎鉗體5Adjustingstopring調(diào)整止動(dòng)環(huán)6Clampingforce夾緊力ThefollowingaresomeFunctionsonMachineTools.MillingMachine(銑床)1.________(升降臺(tái)銑床)2.________(龍門銑床)3.________(單臂銑床

)4.________（儀表銑床）5.________（工具銑床）6.________(單柱銑床)Single-columnMillingMachinePlano-millingMachineToolMillingMachineKnee-and-ColumnMillingInstrumentmillingmachineSingle-armMillingMachine試試身手（實(shí)踐部分）SectionIIISimulatedWriting(Practice)Period2HaveaTrySample1ExplanationsofTermsNameExplanationOuterframe外框Scalemarkplate刻度盤Spring彈簧Arm測(cè)量臂Gaugehead側(cè)頭Dialwindow刻度盤Indicator指針Clampscrew夾緊螺絲Choosethebestanswer.AB1.Dialwindow

A.限制器2.Longhand

B.短指針3.Toppoint

C.刻度盤4.Limiter D.刻度盤5.Clump E.長(zhǎng)指針6.OuterframeF.底座7.Shorthand

G.頂針8.Base

H.螺絲緊固座9.

Scalemarkplate I.緊固件10.

Screwfasteningbase J.測(cè)頭11.Gaugehead K.外框擴(kuò)大您的視野（實(shí)踐部分）SectionIVBroadenYourHorizon—PracticalActivity(Practice)Period1PracticeFacingOperationsFacingistheprocessofremovingmetalfromtheendofawork-piecetoproduceaflatsurface.PreparingfortheFacingCutClampthework-piecetightlyinthethree-jawchuck.Togettheworkproperlycentered,closethejawsuntiltheyjusttouchthesurfaceofthework,thenrotatethework-piecebyhandinthejawstoseatit;thentightenthejaws(Figure2-17).Figure2-17BeginningtheFacingCutFigure2-17Figure2-18Figure2-19Sincewestartedwiththetooljusttouchingtheendofthework-piece,youprobablyremovedverylittlemetalonthispass.Thisisagoodideauntilyougetusedtohowaggressivelyyoucanremovemetalwithoutstallingthelathe.TheRoughingCutUsethecompoundcranktoadvancethetooltowardsthechuckabout0.010".Ifthecompoundissetata90degreestothecrossslide(whichishowIusuallysetmine)theneachdivisionyouturnthecrankwilladvancethetool0.001(one-thousandthofaninch)towardthechuck.Ifthecompoundissetatsomeotherangle,say30degrees,tothecrossslide,thenitwilladvancethetoollessthan0.001foreachdivision.Theexactamountisdeterminedbythetrigonometricsineoftheangle.Here’sapictureofthefirstpassofafacingoperation(Figure2-20).Figure2-20CuttingontheReturnPassFigure2-20TheFinishingCutDependingonhowroughtheendofthework-piecewastobeginwithandhowlargethediameteris,youmayneedtomakethreeormorepassestogetanicesmoothfinishacrosstheface.Theseinitialpassesarecalledroughingpassesandremovearelativelylargeamountofmetal.Whenyougetthefaceprettysmoothyoucanmakeafinalfinishingcuttoremovejust0.001to0.003"ofmetalandgetanicesmoothsurface.Figure2-21showsremovingabout0.002"ofmetalataround1

000RPM.Figure2-22showsthefinishedfaceofthework-piece.Figure2-21Figure2-22Figure2-23showswhathappensifthetipofyourcuttingtoolisbelowthecenterlineofthelatheFilingtheEdgeFacingoperationsleavearathersharpedgeontheendofthework-piece.It’sagoodideatosmooththisedgedownwithafiletogiveitanicechamferandtoavoidcuttingyourselfonit.Withthelatherunningatfairlylowspeed,bringasmoothcutfileuptotheendofthework-pieceata45degreeangleandapplyalittlepressuretothefile.Figure2-24:Right—lefthandholdingtangendoffile.Figure2-25:Wrong—lefthandreachingoverspinningchuck!Figure2-23Figure2-24Figure2-26showsthefinishedsurfaceandbevelededge.Thisiswhatagoodfacingcutshouldlooklike:smoothevensurfacewithnoraisedbumpinthecenter.Layanaccuratestraightedgeacrossthesurfaceofthefaceandyoushouldnotbeabletoseeanylightundertheedge.Ifyoudetectaslightconvexshape,thecarriagemaybemovingbackawayfromtheheadstockduringthecut.Figure2-25Figure2-26AssignmentA:Doexercise1,2,3,4and7.B:Askstudentstocollectsomeexternalmachinetools.《機(jī)電一體化專業(yè)英語》授課計(jì)劃________學(xué)院___專業(yè)班20－20學(xué)年第學(xué)期授課時(shí)間：第周課程名稱CourseName機(jī)電一體化專業(yè)英語EnglishforMechatronics授課教師Lecturer課程類型TypeofCourse考查授課對(duì)象Students授課學(xué)時(shí)Period28-30育人目標(biāo)EducationalTarget在傳承中創(chuàng)新，在堅(jiān)持中升華，化腐朽為神奇，于細(xì)微處彰顯卓越。Innovateininheritance,sublimateinpersistence,turndecayintomagic,andhighlightexcellenceindetail.教學(xué)目標(biāo)TeachingObjectives知識(shí)目標(biāo)KnowledgeObjective了解機(jī)電一體化一般知識(shí)、掌握關(guān)鍵詞匯、短語、句子及術(shù)語Helpthestudentstolearncommonknowledgeofmechatronicss,keywords,phrases,sentencesandterms.能力目標(biāo)AbilityObjective培養(yǎng)學(xué)生的讀、說、譯的能力Developstudents'abilityofreading,speakingandtranslating.情感目標(biāo)EmotionObjective培養(yǎng)學(xué)生的興趣、自信、自主學(xué)習(xí)、合作精神；明白學(xué)習(xí)目標(biāo)Cultivatestudents'interest,self-confidence,self-learningandcooperationspirit;Knowthelearninggoals.教學(xué)重點(diǎn)KeyPoints1.Getmoreinformationaboutthemachinetoolstructureinthetopicofthisunit.2.Machinetool

practicecognition.教學(xué)難點(diǎn)DifficultPoints1.Understandthekeywords,phrasesandsentencesinthepassage.2.Translatethesimplematerialorspecification.教學(xué)方法TeachingMethods?Explanation?Groupdiscussion?Questionsandanswers?Performance(Role-play)?Machinetoolspecification教學(xué)手段TeachingMeans?Multi-media?Videos?NetworkResource教學(xué)安排TeachingArrangement教學(xué)內(nèi)容ContentsofCourse學(xué)時(shí)Period精讀SectionITechnicalandPracticalReading2機(jī)床構(gòu)造SectionIIGlanceattheMachineToolStructures1試試身手（實(shí)踐部分）SectionIIISimulatedWriting(Practice)2聽說練習(xí)（實(shí)踐部分）SectionIVBroadenYourHorizon—PracticalActivity(Practice)1授課內(nèi)容及要點(diǎn)TeachingContentsandMainPointsUnit3MachiningOperations精讀SectionITechnicalandPracticalReadingPeriod2PartI.Leadingin1.RevisionAskseveralstudentsiftheyknowthebasicmachinetoolanditsfunction.Arousestudentstoanswerteacher’squestionsaccordingtothePassageA/BforintroductiontobasicmachinetoolsinUnit3.2.Warmingupquestions1)Askstudentstoworkingroupsoffourtoreadnewwordsandphrases.2)Talkaboutthebasicboringmachines.PartII.ComprehensionandPracticing1.CheckingandExplaining1)RaisessomequestionsaboutmachinetoolsaccordingtothepassageoftheTextbookMachiningOperationstoseehowmuchthey’veunderstood.2)RaisessomequestionsandasksstudentstoanswerindetailsaccordingtothepassageoftheTextbookMachiningOperationsatthesametimeexplainingsomelanguagepoints.3)Possibledifficultwords,phrasesandsentences.?KeyWords:mechanicallyad.A

mechanical

devicehaspartsthatmovewhenitis

\o"working的釋義"working,oftenusingpowerfroman

\o"engine的釋義"engine

orfrom

\o"electricity的釋義"electricity.機(jī)械地e.g.Mostmechanicaldevicesrequireoilasalubricant.大多數(shù)機(jī)械裝置都需要油作為潤滑劑。manufacturen.To

manufacture

somethingmeanstomakeitina

\o"factory的釋義"factory,usuallyinlarge

\o"quantities的釋義"quantities.制造e.g.Manufactures

aregoodsorproductswhichhavebeenmadeinafactory.制造廠是指工廠生產(chǎn)的貨物或產(chǎn)品。refinev.

\o"purify的釋義"purify,

\o"process的釋義"process,

精加工e.g.Oilisrefinedtoremovenaturallyoccurringimpurities.油經(jīng)過提煉以去除自然產(chǎn)生的雜質(zhì)。specificationn.A

specification

isa

\o"requirement的釋義"requirement

whichis

\o"clearly的釋義"clearly

stated,forexample

aboutthe

\o"necessary的釋義"necessary

\o"features的釋義"features

inthedesignofsomething.技術(shù)規(guī)范e.g.LegislationwillrequireU.K.petrolcompaniestomeetanE.U.specificationforpetrol.立法將要求英國的汽油公司滿足歐盟的汽油規(guī)格。enlargev.

\o"grow的釋義"grow,

\o"increase的釋義"increase,

\o"extend的釋義"extend,

\o"stretch的釋義"stretch擴(kuò)大e.g.Whenyou

enlarge

somethingorwhenit

enlarges,itbecomes

\o"bigger的釋義"bigger.當(dāng)你放大某物或當(dāng)它放大時(shí)，它會(huì)變得更大。drillpress鉆床e.g.The

machineused

for

drilling

iscalled

adrill

press.

鉆頭上的控制鉆孔機(jī)的圓形部分。finefinishing精加工e.g.Themakingofnewmouldhastwosteps,first,twoworkersdoroughturning,andthenotherworkersdo

finefinishing.

新模具的加工分成兩塊，先由兩位模具工進(jìn)行粗車，再由模具工進(jìn)行精加工。Sentences:1.Conventionalmachining,oneofthemostimportantmaterialremovalmethods,isacollectionofmaterial-workingprocessesinwhichpower-drivenmachinetools,suchaslathes,millingmachines,anddrillpressesareusedwithasharpcuttingtooltomechanicallycutthematerialtoachievethedesiredgeometry.在這個(gè)長(zhǎng)句中，主語是Conventionalmachining，由is引導(dǎo)出合成謂語；oneofthemost…methods是插入語；inwhich引導(dǎo)定語從句，其先行詞為processes。在定語從句中，areused是定語從句中的謂語動(dòng)詞。此句可譯為：常規(guī)加工是集各種材料加工工藝于一體的最重要的切除材料的方法之一，在此過程中電動(dòng)機(jī)床，如車床、銑床和鉆床，利用鋒利的刀具來進(jìn)行機(jī)械加工以獲得期望的幾何形狀。2.Drillingoperationsareoperationsinwhichholesareproducedorrefinedbybringingarotatingcutterwithcuttingedgesatthelowerextremityintocontactwiththework-piece.在此句中，inwhich引導(dǎo)定語從句，修飾先行詞operations。by表示方法、方式。bing…intocontactwith…意為“使……與……接觸”。本句可譯為：鉆削是通過刀具旋轉(zhuǎn)對(duì)工件進(jìn)行鉆孔或孔的精加工的一種操作，在鉆頭下面切入工件的頂端帶有兩個(gè)切削刃。3.Theshapeofthetoolanditspenetrationintotheworksurface,combinedwiththesemotions,producethedesiredshapeoftheresultingworksurface.在此句中，主語是由and連接的并列主語，謂語動(dòng)詞為binedwith…是分詞作狀語。本句意思為：刀具的形狀、刀具對(duì)工件表面的切入加上它們之間的運(yùn)動(dòng)生成了最終的工件表面。機(jī)床構(gòu)造SectionIIGlanceatMachineToolStructuresPeriod1Thefollowingisthemachinetoolstructure.No.NameExplanation1Forward/Reverse正轉(zhuǎn)/反轉(zhuǎn)2Start/Stop啟動(dòng)/停止3LongitudinalHand-wheel縱向手輪4VerticalFeedHand-crank垂直進(jìn)給手柄5Cross-FeedHand-wheel橫向進(jìn)給手輪6PowerFeed電動(dòng)進(jìn)給7Table工作臺(tái)8Spindle主軸9DigitalReadout數(shù)碼屏10SpindleSpeed主軸轉(zhuǎn)速11HandBrake手動(dòng)制動(dòng)器ThefollowingaresomeFunctionsonMechatronicsTerms.BoringMachine(鏜床)1.________(臥式銑鏜床)2.________(立式金剛鏜床)3.________(雙坐標(biāo)鏜床)4.________（深孔鏜床）5.________（數(shù)控龍門鏜銑床）DoubleBoring

MachineVertical

DiamondFineBoring

MachineBoring

MachineCNCPlano-Boring

and

Milling

MachineHorizontal

Milling

and

Boring

MachineDeepHole試試身手（實(shí)踐部分）SectionIIISimulatedWriting(Practice)Period2HaveaTrySample1TypicalpartsprogramNo.NameExplanation1twistbits麻花鉆2tang扁尾3tapershank錐柄4pointangle頂尖角5tangdrive扁尾驅(qū)動(dòng)6flutes韌帶7helicangle螺旋角8lip-reliefangle刃傾角9edgeangle橫刀傾角10drilldiameter鉆頭直徑11bodydiameterclearance刀體直徑間隙12clearancediameter間隙直徑13straightshank直柄14neck頸部15shankdiameter刀柄直徑16shanklength刀柄長(zhǎng)度17flutelength韌帶長(zhǎng)度18body刀體19overalllength總長(zhǎng)20margin刃邊21lip刀刃22web鉆心23chiseledge橫刃Choosethebestanswer.A

B1.Wrenchsize A.中間插件2.Screw

B.外部插件3.Carbideguidepad

C.扳手大小4.Intermediateinsert D.鉆頭體5.CenterinsertE.螺絲6.Peripheralinsert F.中心插件7.

Drillheadbody G.硬質(zhì)合金導(dǎo)向塊擴(kuò)大您的視野（實(shí)踐部分）SectionIVBroadenYourHorizon—PracticalActivity(Practice)Period1PracticeTurningOperationsTurningistheremovalofmetalfromtheouterdiameterofarotatingcylindricalwork-piece.Turningisusedtoreducethediameterofthework-piece,usuallytoaspecifieddimension,andtoproduceasmoothfinishonthemetal.ChuckingtheWork-pieceWewillbeworkingwithapieceof3/4"diameter6061aluminumabout2incheslong.Wecansafelyturnitinthethreejawchuckwithoutsupportingthefreeendofthework.Insertthework-pieceinthethree-jawchuckandtightendownthejawsuntiltheyjuststarttogripthework-piece.Rotatethework-piecetoensurethatitisseatedevenlyandtodislodgeanychips.Youwantthework-piecetobeasparallelaspossiblewiththecenterlineofthelathe.Imagineanexaggeratedexamplewherethework-pieceisskewedatanangleinthechuckandyoucaneasilyvisualizewhythisisimportant.Tightenthechuckusingeachofthethreechuckkeypositionstoensureatightandevengrip(Figure3-13).AdjustingtheToolBitChooseatoolbitwithaslightlyroundedtip.Thistypeoftoolshouldproduceanicesmoothfinish.Adjusttheangleofthetool-holdersothetoolisapproximatelyperpendiculartothesideofthework-piece.Becausethefrontedgeofthetoolisgroundatanangle,theleftsideofthetipshouldengagethework,butnottheentirefrontedgeofthetool.Theangleofthecompoundisnotcritical.Iusuallykeepmineat90degreessothatthecompounddialadvancesthework(Figure3-14).

Figure3-13Figure3-14CuttingSpeedsYoumustconsidertherotationalspeedofthework-pieceandthemovementofthetoolrelativetothework-piece.Workingwiththe7×10forhobbypurposes,youwillquicklydevelopafeelforhowfastyoushouldgo.Untilyougetafeelfortheproperspeeds,startwithrelativelylowspeedsandworkuptofasterspeed.Mostcuttingoperationsonthe7×10willbedoneatspeedsofafewhundredRPM—withthespeedcontrolsetbelo