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ID:40167898
大小:2.05 MB
页数:27页
时间:2019-07-24
《第三章(3)-(扫描、放样特征)》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、Chapter3第三部分扫描特征、放样特征1LearningObjectivesChapter3创建扫描特征.创建放样特征高级建模工具Someoftheadvancedmodelingtoolswerediscussedinearlierchapters.Theremainingadvancedmodelingtoolsarediscussedinthischapter.创建扫描特征图A是用于扫描的草图.图B是扫描生成的特征.ChoosetheSweepbuttonfromtheFeaturesComman
2、dManagertoinvoketheSweepPropertyManager,asshowninFigureC.FigureCTheSweepPropertyManagerFigureASketchestocreateasweepfeatureFigureBSweepfeatureChapter3链接图D是没有相交的截面形状和路径。图E是扫描结果.FigureFshowsthesketchoftheprofileandtheclosedpath.FigureGshowstheresultingsweepf
3、eature.FigureDNon-intersectingsketchesofprofileandpathFigureEResultingSweepfeatureFigureGResultingSweepfeatureFigureFSketchoftheprofileandtheclosedpathChapter3链接链接扫描属性对话框中的可选项有:方向/扭曲控制选项SketchesforthesweepfeatureSweepfeaturewiththeKeepnormalconstantoptions
4、electedfromtheOrientation/TwistTypedrop-downlistSweepfeaturewiththeFollowPathoptionselectedfromtheOrientation/TwistTypedrop-downlistChapter3链接ShowPreviewMergeResults保持相切AdvancedSmoothingAlignwithEndFacesResultantsweepfeaturewiththeAlignwithendfacescheckbox
5、clearedSketchesforthesweepfeatureResultantsweepfeaturewiththeAlignwithendfacescheckboxselectedChapter3链接应用扭曲选项Whilecreatingasweepfeature,youcanalsoapplytwisttoitbychoosingtheTwistAlongPathoptionfromtheOrientation/twisttypedrop-downlist.TheDefinedbydrop-dow
6、nlistandtheTwistAnglespinnerisdisplayedbelowtheOrientation/twisttypedrop-downlist,asshowninFigureA.FigureATheOptionsrolloutChapter3Youcanalsoapplyatwisttothesweptfeaturekeepingitsendfaceparalleltotheprofileandtheentiretransitionnormaltothesweeppath.Toapply
7、thistypeoftwist,choosetheTwistAlongPathWithNormalConstantoptionfromtheOrientation/twisttypedrop-downlistandthensetthetwistparameters.SweptfeaturecreatedusingtheFollowPathoptionSweptfeatureafterapplyingtwistTwistappliedusingtheTwistAlongPathoptionTwistappli
8、edusingtheTwistAlongPathWithNormalConstantoption链接链接SweepwithGuideCurvesClickontheblackarrowontherightoftheGuideCurvesrollouttoopenthisrollout,seeFigureA.FigureATheGuideCurvesPropertyManagerSketchesfortheswee
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