外文翻译格式

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1、毕业论文（设计）外文翻译题目：学院：机电工程学院学生姓名：专业：机械设计制造及其自动化班级：指导教师：赵晓栋起止日期：2010.11.15—2010.12.152010年11月15日IntroductiontoCAD/CAMandVP1IntroductiontoCAD/CAMThroughoutthehistoryofourindustrialsociety,manyinventionshavebeenpatentedandwholenewtechnologieshaveevolved.Perhapsthesingledevelopmentthathasimpactedman

2、ufacturingmorequicklyandsignificantlythananyprevioustechnologyisthedigitalcomputer.Computersarebeingusedincreasinglyforbothdesignanddetailingofengineeringcomponentsinthedrawingoffice.Computer-aideddesign(CAD)isdefinedastheapplicationofcomputersandgraphicssoftwaretoaidorenhancetheproductdesig

3、nfromconceptualizationtodocumentation.CADismostcommonlyassociatedwiththeuseofaninteractivecomputergraphicssystem,referredtoasaCADsystem.Computer-aideddesignsystemsarepowerfultoolsandinthemechanicaldesignandgeometricmodelingofproductsandcomponents.ThereareseveralgoodreasonsforusingaCADsystemt

4、osupporttheengineeringdesignfunction:lToincreasetheproductivitylToimprovethequalityofthedesignlTouniformdesignstandardslTocreateamanufacturingdatabaselToeliminateinaccuraciescausedbyhand-copyingofdrawingsandinconsistencybetweendrawingsComputer-aidedmanufacturing(CAM)isdefinedastheeffectiveus

5、ecomputertechnologyinmanufacturingplanningandcontrol.CAMismostcloselyassociatedwithfunctionsinmanufacturingengineering,suchasprocessandproductionplanning,machining,scheduling,management,qualitycontrol,andnumericalcontrol(NC)partprogramming.Computer-aideddesignandcomputer-aidedmanufacturingar

6、eoftencombinedCAD/CAMsystems.Thiscombinationallowsthetransferofinformationfromthedesignintothestageofplanningforthemanufacturingofaproduct,withouttheneedtoreenterthedataonpartgeometrymanually.ThedatabasedevelopedduringCADisstored;thenitisprocessedfurther,byCAM,intothenecessarydataandinstruct

7、ionsforoperatingandcontrollingproductionmachinery,material-handlingequipment,andautomatedtestingandinspectionforproductquality.1.1RationaleforCAD/CAMTherationaleforCAD/CAMissimilartothatusedtojustifyanytechnology-basedimprovementinmanufacturing.Itg