平面与曲面立体相交PPT精品文档

1、1Intersection of plane surfaces and curved solids Exercises Characteristics of intersection linesThe method of finding intersectionsProcedure of drawing intersections221. Characteristics of intersection linesCutting plane Intersection line Intersection of plane surfaces and curved solids 33(3)(3)Rec

2、tangle: : Parallel cutting plane with respect to the axis.(2)(2)Ellipse: Inclined cutting plane with respect to the axis.(1)(1)Circularity: Perpendicular cutting plane with respect to the axis. 矩矩形形线线框框 Analyze right cylinder intersection 44 Analyze cone intersection Intersection55 Analyze intersect

3、ion 66Using the accumulation method. The method of finding intersections. Intersection of plane surfaces and curved solids Using the element method. Using the circle method. 77， Draw V，H views of the cutting half 。Intersection of plane surfaces and curved solids (1) Analyze. Procedure of drawing int

4、ersections (2) Draw special points. (3) Distinguish its visibility. (4) Complete the projection. (5) Erase redundant lines and draw deeply. 88 2. Draw V, H views of the cutting cone. Exercises 1. Which one is correctly drawn of the left view 9 本 小 节 结 束1010CorrectCorrectCorrectCorrect1. Which one is

5、 correctly drawn of the left view. 1111 2. Draw V, H views of the cutting cone.1212 1 1( (1 10 0) ) 5 5( (7 7) ) 4 4( (6 6) ) 3 3( (9 9) ) 2 2( (8 8) ) 1. Draw V, H views of the cutting right cylinder. Steps ( )( ) ( ) ( )( )( ) ( ) ( )1313 1 1 2 2 3 3 4 4 (1) (2) (3) (4) (5) (6) Steps 2. Draw V, H views of the cutting .( ) ( )1414(2) 1 1 2 2 3 3 8 8 9 9 1 10 0 3. Draw V, H views of the cutting cone.6 6 7 7 (1) (3) Draw special points. (4) (5) (6) Steps 7 64 4 5 5 ( )( )( )( ) 1515 4. Draw V, H views of the cutting half . 1.2. 3. draw the intersection. 4. (5) Steps 161617171818191920