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1、TostartyourSURFACESdrawing,gotonewdrawing,choosePART.OncethePartscreenappears,clickonSTART,chooseMECHANICALDESIGN,andthenWIREFRAMEandSURFACEDESIGN.Newiconswillappear,andthesearetheonesyouwilluseforyourSURFACEdrawings.116Thefirstthingyouwillwanttodoisl
2、ayoutyourguidelines.YoucandothisbychoosingPOINTfromthetoolbar,andputtingthemwhereyouneedthem.Thefirstoneyouplaceisattheorigin,or0,0,0.HitOK.Thenplaceoneatx=50andoneatx=-50sothatyouareworkingoffofareferencepoint.117Nowwewillprofileanautobody…ChooseLINE
3、fromthetoolbar,andtheLineDefinitiondialogboxwillappear.InLINETYPE,pickPoint-Point,thenchoosethex=50pointaspoint1andx=-50aspoint2.HitOK.Nowwecancopythenewlycreatedlineover25mm.TodothisclickTRANSLATEfromthetoolbar,choosethelineasELEMENT,ZXplaneasthedire
4、ctionand25mmasthedistance.118WecannowRENAMEthefirstlinewemadeasCentreline.Todothis,putyourpointeronthelinetohighlightitandrightclickonit.ThenchoosePROPERTIES.AtthePropertiesscreen,choosetheFeaturePropertiestab(clickon“more”ifyougettheshortdialogbox)hi
5、ghlightnamebeclickingonitandtypecentreline.HitOKtoreturntotheworkview.Nowwecanstarttomaketheautobodyshape.119ChoosetheZXplaneandthenclickonSKETCHER.Itisherethatwearegoingtoputinthepointstodefinethebasiccarshapeasshown.Pickpointandlayoutthepointsroughl
6、yasshown.(Ifyoudoubleclickpoint,itwillstayactivetodomorethanonepointatatime).NowchooseSPLINEandjoinallofthepointstoformonesmoothlycurvedline.Thisisnowyourbasiccarshape.120NowwecandoafewTRANSLATIONSatthesametime.First,clicktheTRANSLATEicon,thenSketch1i
7、stheelement,ZXplaneistheDirectionanddistanceis25mm.ChooseTranslateagain.ThistimeTranslat.1fromthespecificationtreeistheelement,ZXplaneisagainthedirection,andthedistanceis–85mm.Renamethislinecenteline2.121Wenowneedtoaddsomelinestothefrontandbackoftheca
8、rtoguidethesurfacesthere.Jointhecentrelineandtranslat.1withaline.RenameitSIDESURFACEGUIDE.NowTRANSLATEthatline20mminusingSideSurfaceGuideastheelement,Translat.1Asthedirection.RenameitSideSurfaceCentre.Jointheotherendofthecarwithaline,butdonott
