cad 實(shí)訓(xùn)八（cad 實(shí)訓(xùn)八）

1/1cad實(shí)訓(xùn)八（cad實(shí)訓(xùn)八）cad實(shí)訓(xùn)八（cad實(shí)訓(xùn)八）ThisarticleiscontributedbyLuXiaodong001PPSdocumentsmayexperiencepoorbrowsingontheWAPside.ItisrecommendedthatyoufirstselectTXT,ordownloadthesourcefiletothelocalview.PracticaltrainingeightEditobjectpropertiesChinaRailwayPublishingHouseTrainingeight-editingobjectcharacteristicspracticaltrainingcontentMasterthepropertiesofthemodifiedobject,includingmodifyingtheobject’slayer,lineshape,linewidth,etc..Learntousethepropertieswindowtomodifyobjectproperties,objectparameters,andsoon.Learnthecompositionandtheknowledgeanddrawingofthethreeview.Trainingeight-editingobjectcharacteristicsTrainingpointsUserscanmodifythepropertiesofanobjectbyusingthepropertiestoolbarorthelayerpropertiesmanager.Usethepropertiestoolbarcanmodifythecommoncharacteristics,suchascolor,typeandwidth;usethelayerpropertiesmanagercanmodifyanyobjectwiththecharacteristiclayer;inaddition,userscanalsousethepropertieswindowtoeditanypropertyofanyobject.Whenthethreeviewofacompositebodyisdrawn,theprojectionlawbetweentheviewsis:thelengthisright,thewidthoftheGaopingisequalandthewidthisequal.Trainingeight-editingobjectcharacteristicsKnowledgepreparationInthefrontwelearnedhowtodefineandmanagelayers,andmanagelayerstoorganizeentitiesandobjectsonthelayerbymanagingthelayers,andmakingiteasiertoprocesstheinformationinthegraph.Inaddition,intheactualwork,sometimesalsoneedtoputsomeobjectsinadifferentlayeroranobjectlayerandusedifferentcolorandtypetorepresentthecurrent,thendonotneedtodeleteandredrawtheobject,andonlyneedtoamendthecharacteristicsoftheseobjects.Objectfeaturesincludethelayer,color,lineshape,linewidth,andprintstyleoftheobject.Theseobjectfeaturesarecentrallymanagedinthefeaturetoolbarorthelayerpropertiesmanager.Trainingeight-editingobjectcharacteristicsKnowledgepreparationThepropertieswindowisdisplayedoneachobjectattributewindow,itisacollectionofpowerfulfunctions,youcanview,modifytheattributesofeachobjectwiththiswindow,theobjectofeditingandmodifyingbecomesmoreintuitiveandconvenient.Theassemblycanberegardedastheprincipalmodelofmachineparts.Nomatterfromthedesignofparts,orfromlearningdrawingsandreadingdrawings,thecombinationisasimplegeometricformtothemachinepartstransitionpart,anditsstatusisveryimportant.Trainingeight-editingobjectcharacteristics1.usethetoolbartomodifyobjectproperties(1)modifytheobjectlayerpropertiesandselecttheobjecttobemodified.Expandthelistoflayersonthetoolbar,andthenclickthetargetlayertocompletetheconversion.Asshown.Trainingeight-editingobjectcharacteristics1.usethetoolbartomodifyobjectproperties(2)modifytheobjectcolorcharacteristics,selecttheobjecttobemodified.Onthetoolbar,expandthecolordrop-downlist,selectthestandardcolordirectly,orclicktheselectcoloritem,calluptheselectcolordialogbox,andselectmorecolors.Asshowninfigure8-2.Trainingeight-editingobjectcharacteristics1.usethetoolbartomodifyobjectproperties(3)modifytheobjectlinetypecharacteristics,selecttheobjecttobemodified.Onthecharacteristictoolbar,expandthelineardrop-downlist,pop-upthecurrentAutoCADfilehasbeendefinedinthelistoflineartype,directlyselecttherequiredlineinthelist,youcancompletethemodificationoflinetype.Ifthereisnosuitablelinearcurrentlinearlist,clicktheother,outofLineManagerdialogbox,selecttheupperrightcorneroftheloadinthepop-uploadedoroverloadedtypedialogboxtoaddnewlines,andthencompletethenewtypemodification.Asshowninfigure8-3.Trainingeight-editingobjectcharacteristics1.usethetoolbartomodifyobjectproperties(3)modifyobjectlinetypecharacteristicsTrainingeight-editingobjectcharacteristics1.usethetoolbartomodifyobjectproperties(4)modifytheobjectlinewidthcharacteristics.Selecttheobjecttobemodified.Onthecharacteristictoolbar,expandthelinewidthdrop-downlist,asshowninthelist,selecttherequiredlinewidth,youcancompletethelinewidthchanges.Tip:thelinewidthofanobjecthastwostatesinthegraphicaldisplay,indicatingthatthelinewidthoftheobjectisshownorhiddenintwostatesinthegraphicaldisplay.Onlywhenthegraphicsobjecthasbeensetlinewidthorhidden.Thegraphicsobjectonthescreenwilldisplaythelinewidthonlyifthegraphicsobjecthassetthewidthofthelineandopensthelinewidthdisplaystate.Whenawidedisplaystateisdisplayed,thegraphicsobjectonthescreenwilldisplaythelinewidth.Trainingeight-editingobjectcharacteristics2.usethepropertieswindowtomodifyobjectproperties(1)callthefeaturewindow.Usethetoolbartocallthepropertieswindow:inthestandardtoolbar,clickthePropertiesbuttontoejectthefeaturewindow.Asshowninfigure8-5.Theuseofthemenubarcalledthecharacteristicwindow:clicktools|optionin|characteristics;orclickmodify|characteristics,characteristicsofpop-upwindow.Usetheshortcutkeytocallthefeaturewindow:presstheCtrl+1combinationkeytoejectthefeaturewindow.Thecharacteristicwindowcanbeplacedatanypositionofthescreen,fixedonthesideofthescreen,orfloated,andthewindowsizecanbeadjustedasneeded.Trainingeight-editingobjectcharacteristics2.usethepropertieswindowtomodifyobjectproperties(2)characteristicwindowitemdescriptionWhentheobjectisuncheckedWhenyouselectanobjectTrainingeight-editingobjectcharacteristics2.usethepropertieswindowtomodifyobjectproperties(2)characteristicwindowItemDescription:characteristicwindowshowsthecharacteristicsofobjectsaccordingtoclass,andisdividedintoseveralgroups,suchasbasic,printstyle,viewandsoon.Eachoptiongroupcanberetractedorexpandedasneeded.Ifyoudonotselectanobject,thepropertieswindowdisplaysthecurrentfeatures,suchasthecurrentlayer,color,linetype,linewidth,andprintstyle.Atthispoint,youcanselecttheitemsinthewindowformodification,reassignment.Ifyouselectanobject,thepropertieswindowdisplaysthecharacteristicsoftheselectedobject,andyoucanusethecontrolinthewindowtomodifytheseprojectsettings.Ifyouselectmultipleobjects,youcanselectaclassobjectusingthedrop-downlistatthetopofthefeaturewindow,andthelistshowsthenumberofselectedobjectsforeachclassatthemoment.Trainingeight-editingobjectcharacteristics2.usethepropertieswindowtomodifyobjectproperties(3)bymodifyingtheobjectproperties,youcaneasilyviewandmodifythecharacteristicsofoneormoreobjectsthroughthefeaturewindow.Tomodifythelinewidth,forexample,thestepsareasfollows:callthefeaturewindow.Selecttheobjecttobemodified.Onthefeaturewindow,clickwidthoptionstoexpandthelinewidthdrop-downlist.Selectthenewappropriatelinewidthvaluetotheobject,displaythenewlinewidthvalueinthewidthwindowofthecharacteristicwindow,andcompletethemodificationoflinewidthoperation.Trainingeight-editingobjectcharacteristics3.objectfeaturematching(1)callthepropertymatchingcommandusingthetoolbarcallfeaturematching:inthestandardtoolbar,clickthepropertymatchingbutton.Theuseofthemenubar,clickModifycallcharacteristics:|characteristicmatching.Trainingeight-editingobjectcharacteristics3.objectfeaturematching(2)usecharacteristicmatchingTrainingeight-editingobjectcharacteristics3.objectfeaturematching(2)theuseofcharacteristicmatchingtocopyonlypartoftheselectedcharacteristic,atthetipoftheselecttargetobjectorset[(S)],inputS,andpresstheenterbutton,willpopupSettingsdialogbox,asshowninFigure8-7,displayobjectcharacteristicscanbematched,checkremoveorcheckresettheobjectpropertiestomatch.Oncetheobjectmatchingoperationisexecuted,thematchisperformedaccordingtothenewsetting.Trainingeight-editingobjectcharacteristics4.combinationanditsthreeviewAsinglegeometryiscalledabasicbody,andthecommonbasicbodiesincludeprisms,pyramids,cylinders,cones,spheres,rings,andsoon.Acomplexobjectconsistingofsomeelementarybodiesiscalledacompositebody.ThefollowinganalysisismadeofthethreeviewsofthebasicbodyandthecompositeformedbythesurfaceofthebasicbodyTrainingeight-editingobjectcharacteristics4.combinationanditsthreeview(1)thenationalstandardofviewstatesthatthegraphicsofobjectsdrawnbyorthographicprojectionarecalledviews.Inthethreeaspectprojectionsystem,threeviewsoftheobjectcanbeobtained,inwhichtheVsurfaceprojectioniscalledthemainview,andtheHsurfaceprojectioniscalledthetopview,andtheWsurfaceprojectioniscalledtheleftview.Asshown,theprojectionoftheApointonthethreeprojectionplanes.(a)spatialprojectionrelation(b)threeviewsarepositiverelationsTrainingeight-editingobjectcharacteristics4.combinationanditsthreeview(2)theformofthecompositionofthecompositebodyismainlycomposedoftwokindsofaccumulationandcutting,whichcanbeusedinoneortwoways:stackingandcutting.Trainingeight-editingobjectcharacteristics4.combinationanditsthreeview(3)surfaceanalysisofcompositebodyTrainingeight-editingobjectcharacteristics4.combinationanditsthreeview(3)surfaceanalysisofcompositebodyIITrainingeight-editingobjectcharacteristics4.combinationanditsthreeview(3)surfaceanalysisofcompositebodyTrainingeight-editingobjectcharacteristics4.combinationanditsthreeview(4)inordertofacilitatetheanalysisofthecomposition,thecomplexcompositionisdecomposedintoacombinationofafewsimplerthree-dimensionalpatternsindifferentways,calledtheshapeanalysismethod.Whenusingthemethodofshapeanalysis,thesurfacerelationofthecompositebodyshouldbetakenintoaccount.Byusingthemethodofshapeanalysis,complexcomplexcanbetransformedintosimpleshape,sothatitiseasytounderstandtheshapeofcomplexobjects,andtofacilitatedrawinganddimensioning.Trainingeight-editingobjectcharacteristics4.combinationanditsthreeview(4)shapeanalysisofcompositebodyTrainingeight-editingobjectcharacteristics4.combinationanditsthreeview(5)whenchoosingtheviewofacompositebodyinacompositeview,differentmethodsshouldbeadoptedaccordingtothedifferentformationmodesofthecompositebody.Generallyspeaking,thecombinationbasedonaccumulationismostlydrawnbythemethodofbodyanalysis,butthebodyformedbycuttingmainlyisdrawnaccordingtothewayofcuttingandcutting.Nomatterhowyoudrawit,youshouldselecttheviewfirstandthendrawthepictureinthecorrectway.Themainviewisthemostimportantview,soyoushouldselectthemainviewwhenyouselecttheviewofthecomposite.Whenchoosingthemainviewofacombinedbody,themethodofplacingthecombinedbodyshouldbeconsideredfirst,andthentheselectedprojectiondirectionshouldbetakenintoaccount.Trainingeight-editingobjectcharacteristics4.combinationanditsthreeview(5)theselectionoftheviewofthecombinedbody:placingtheassemblyinaccordancewiththenatural,stableandeasydrawingposition(locationorposition),thelargerplaneisusuallyusedasthebottomsurface.Theprojectiondirection:theprojectiondirectioncanreflectthesha