新职业英语机电英语Unit.ppt

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1、新职业英语Unit3ProductDesigningWarming-upReadingALanguagePointsListening4123Speaking5ReadingB6Writing7VocabularyandStructure8ContentsUnit3ProductDesigningTask1Asadesigner,Stevenmayexperiencethefollowingsituations.Matcheachsituationwithitscorrespondingpicture.□Referr

2、ingtosomebooksondesigning.□Drawingpicturesoncomputer.□Discussingwithcolleaguesfornewideas.□Gettingfeedbackfromaclient.Unit3ProductDesigningBADCTask2ThefollowingthingsarewhatStevenusuallydoesfordesigningaproduct.Arrangethemintheorderoftimeandexplain.①____>②__

3、__>③____>④____>⑤____a.Revisethedrafttomeettheclient’sdemand.b.Receiveaclientandgetinformedofhis/herrequirementforthenewproduct.c.Makeapresentationtohisclientaboutthedesign.d.Collectrelevantmaterialsabouttheotherdesignsoftheproduct.e.Workonadraftoftheproduct.Ans

4、wer:b→d→e→c→aUnit3ProductDesigningTask1Beforereadingthepassage,trytoanswerthequestionsaboutproductdesigning.WhatisthecompleteformofCAD?CanyousaysomethingaboutCAD?2.HowcanCADhelpdesignerstoachieveefficientdesign?ReadingAUnit3ProductDesigningComputer-AidedDesign(

5、CAD)Computer-AidedDesign(CAD)istheuseofcomputertechnologytoaidinthedesignandparticularlythedraftingofapartorproduct.Nowadays,CADhasbecomeanespeciallyimportanttechnology,whichgreatlyimprovesworkefficiencycomparedwithhanddrafting.Ithasmanybenefitssuchasloweringpr

6、oductdevelopmentcostsandshorteningthedesigncycle.CADenablesdesignerstolayoutanddevelopworkonscreen,printitoutandsaveitforfutureediting,thussavingtimeontheirdrawings.ReadingAUnit3ProductDesigningReadingAThereareseveraldifferenttypesofCAD.Eachtyperequirestheopera

7、tortothinkdifferentlyabouthowhewilluseitanddesignvirtualcomponentsinadifferentmanner.Therearemanyproducersofthelowerend2Dsystems.Theseprovideanapproachtothedrawingprocesswithoutthetroubleonscaleandplacementonthedrawingsheetthataccompaniedhanddrafting,sincethese

8、canbeadjustedasrequiredduringthecreationofthefinaldraft.Withtheirhelp,designersdonotneedtoworryaboutscaleandplacementonthedrawingsheet.Unit3ProductDesigningReadingA3Dwirefra