曲面立体的投影Projectionofcurvedsurf

曲面立体的投影Projectionofcurvedsurfacesandsolids主讲人：李萌教学目标Teachingobjectives1.了解曲面立体的形成和种类2.熟悉曲面立体的投影规律3.掌握曲面立体以及其上点的作图UnderstandtheformationandtypesofcurvedsolidsFamiliarwiththeprojectionlawsofcurvedsolidsMasterthedrawingofcurvedsurfacesandpointsonthem123认识曲面立体曲面立体的投影曲面立体上点的投影UnderstandingSurfaceStereosProjectionof2SurfaceStereos

ProjectionofPointsona3-SurfaceSolid45课程总结思考题CourseSummaryThinkingquestions目录CONTENTS1认识曲面立体UnderstandingSurfaceStereosONE认识曲面立体UnderstandingSurfaceStereos基本立体BasicStereo平面立体planebody曲面立体curvedsolid认识曲面立体UnderstandingSurfaceStereos圆锥体cone圆柱体cylinder球体sphere认识曲面立体UnderstandingSurfaceStereos母线generatrix回转轴rotatingshaft认识曲面立体UnderstandingSurfaceStereos圆柱体cylinder回转面Surfaceofrevolution2曲面立体的投影ProjectionofcurvedsurfacesandsolidsTWO曲面立体的投影Projectionofcurvedsurfacesandsolids曲面立体的投影Projectionofcurvedsurfacesandsolids曲面立体的投影Projectionofcurvedsurfacesandsolids1轴线及圆的中心线Thecenterlineoftheaxisandcircle曲面立体的投影Projectionofcurvedsurfacesandsolids1轴线及圆的中心线Thecenterlineoftheaxisandcircle2圆柱面的积聚性投影圆Accumulativeprojectioncircleofcylindricalsurface曲面立体的投影Projectionofcurvedsurfacesandsolids1轴线及圆的中心线Thecenterlineoftheaxisandcircle2圆柱面的积聚性投影圆Accumulativeprojectioncircleofcylindricalsurface3完成其他两个视图Completetheothertwoviews3曲面立体上点的投影ProjectionofPointsonaSurfaceSolidTHREE曲面立体上点的投影ProjectionofPointsonaSurfaceSolid曲面立体上的点PointsonaSurfaceSolid01积聚性求点Accumulatedpointfinding02辅助线法Auxiliarylinemethod03辅助圆法Auxiliarycirclemethod曲面立体上点的投影ProjectionofPointsonaSurfaceSolid曲面立体上点的投影ProjectionofPointsonaSurfaceSolid4课程总结CourseSummaryFOUR课程总结CourseSummary基本立体BasicStereo平面立体planebody曲面立体curvedsolid5思考题ReflectionquestionsFIVE圆环最大圆与最小圆分别代表什么?如何判别矩形线框是平面还是光滑曲面的投影?Whatdothemaximumandminimumcirclesofacircularringrepresent?Howtodistinguishwhetherarectangularwireframeis