CATIA基础教程10

DRAFTINGTECHNIQUESI136Hereisabasicshape.Fromhere,wewilldosomeadvanceddraftingonceweputthisshapeonasheetasadrawing.Selectthisface,thengotodrafting.137Fromthesesimpledrawingstherearemanythingsyoucandotomakeyourdrawingmoredescriptive.AddingaTitleBlock…138TheviewyoupickedwillnowbethefrontviewThefirstthingthatneedstobedoneistomakethebackgroundactivebygoingtoEDITandthenBACKGROUND.139OnceinBackground,youwillnoticethatthenewtoolbarsyouhaveamuchmore“sketcher”like,andoneofthemisFRAMECREATION.Thisistheonethatyouclickontomakeaborderandtitleblock.140OnceFrameCreationischosen,theInsertFrameandTitleBlockdialogboxwillpopup.Thisiswhereyoucanaddandmodifytheborderconstraintsforyourdrawing,andaddatitleblocksizeconstraintifoneisrequired.OnceyouhavechosenwhatyouwantandclickedonOK,don’tforgettogobacktoEDITandturntheWorkingViewsbackon.141Nowwecanaddanisometricviewofourdrawing.ThefirsttodoisclickontheISOMETRICVIEWiconandchosetheviewofthedrawingthatyouwishtheisometrictobeof.Herewe’llusethefrontview.142Catiawillaskyouforaplaneonthe3Dpartforittodrawfrom.TheeasiestthingtodohereisclickonVIEWandchoseTILEHORIZONTALLY.Nowyoucanseeallofyourwork,andwhenyoupickaplane(asshown)youwillseeitautomaticallyupdateitselfintoyourdrawing(asshown).The3Dpartinyourdrawingcanbemoveduntilyouclickonaplaceforittostay,thenitwillbecomealinedrawing.ChooseaplanehereMoveyour3Dparttowhereyouwantit143NowwehaveanISOMETRICviewofourpart.TherearemanyotherdrawingfeaturesCatiaoffers.Afewareasfollows…144HiddenLines.Toaddthem,picktheviewyouwish,gotoEditandpickProperties.145OnceinProperties,movedowntotheDressupboxandactivatetheHIDDENLINESboxthenclickOK.Highlightthisbox146AnotherthingtoaddisaSECTIONVIEW.ChoosetheSectionViewicon,drawthelinethroughtheparttobesectioned(asprompted)andplacetheviewbyclickingonemoretimeonceitisplacedwhereyouwantit.ClickheretostartClickheretofinish147ADETAILcanbeaddedbyclickingontheDetailiconandmakingthecirclearoundtheparttobeviewedwhenprompted.Clickoncetostartthecircleandagaintoendit.148PlacetheSCALEcirclewheretheyouwantthedetailviewtobe.Clickoncetoplacethecircle.149Yourdetailviewisnowfinished,withthecorrectballoonindicatingandidentifyingit.Ifotherdetailsaremadeonthesamedrawing,theywillbenumberedsequentially.150AnotherusefultoolistheCLIPPING.Itislikethedetailview,butinreverse.ClickontheClippingiconandplacethecirclethesamewayasyoudoadetail.151ThedifferencebetweenDETAILandCLIPPINGiswhatyouareleftwith.Here,youareleftwithonlywhatwasinsidethecircle,scale2:1.Thefinalviewisplacedbeclickingoncewhereyouwantittofinallybe.152Youmayhaveneedtochangethehatchingonasectionviewyouhavedone.Thisisaccomplishedbychoosingthehatching(asshown)andgoingto“properties”inthe“edit”menu.153ClickPATTERNTABLEThenchooseyourpattern154