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ID:52125011
大小:3.51 MB
页数:74页
时间:2020-04-01
《新职业英语机电英语Unit.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
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
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