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TA 101 T hink and A nalyze Anupam Saxena Associate Professor Mechanical Engineering Compliant and Robotic Systems Lab Indian Institute of Technology Kanpur
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Development of Surfaces Non-Developable/Oblique surfaces
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Organization of Lectures and Laboratory Assignments TopicWeek (No. of Lectures)Lab Intro and Basic ConstructionsWeek 1 (2) Orthographic ProjectionsWeek 2 (2)Lab 1 Orthographic ProjectionsWeek 3 (2)Lab 2 Isometric ProjectionsWeek 4 (2)Lab 3 Missing ViewsWeek 5 (2)Lab 4 Sectional and AssemblyWeek 6 (2)Lab 5 Oblique ProjectionsWeek 7 (1)Lab 6 Perspective ProjectionsWeek 8 (3)Lab 7 Lines and PlanesWeek 9 (2)Lab 8 Lines and PlanesWeek 10 (2)Lab 9 Auxiliary ProjectionsWeek 11 (2)Lab 10 Intersection of lines/planes/solids Week 12 (2)Lab 11 Intersection and DevelopmentWeek 13 (2)Lab 12 Lab 13
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ANUPAM SAXENA TA101 LECTURE XXVI DEVELOPMENT OF SURFACES 1 2 34 5 678 1 2 3 4 5 6 7 8 3 7 2 6 TL 1 8 2 7 6 3 5 4 6 3 7 2 8 1
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ANUPAM SAXENA TA101 LECTURE XXVI DEVELOPMENT OF SURFACES 1 2 3 4 5 6 7 8 9 10 11 12 1 2 11 3 10 4 9 5 8 6 7 O O TRUE LENGTH DIAGRAM O 1 7 2 3 4 5 6 7 6 5 4 3 2 1 O 7 6 5 4 3 2 1 TA: FIRST INSTANCE OF THE METHOD OF TRIANGULATION TA: POSSIBLE TO DEVELOP THIS SOLID ACCURATELY? TA: APPROXIMATE DEVELOPMENT – TRIANGULATE THE SURFACE!
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PARALLEL LINE DEVELOPMENT: CYLINDERS, PRISMS, ETC: RADIAL LINE DEVELOPMENT: CONES, PYRAMIDS, ETC: TRIANGULATION: OTHER COMPLEX (NON-DEVELOPABLE) SURFACES ANUPAM SAXENA TA101 LECTURE XXVI DEVELOPMENT OF SURFACES THEY ALL INVOLVE DETERMINATION OF TRUE LENGTHS
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1 4 5 3 2 6 7 8 10 11 12 9 1 4 5 3 2 6 7 8 9 10 11 12 TA: AS LESS NO: OF TRIANGLES AS POSSIBLE WITHOUT COMPROMISING ON SHAPE TA: ALL GREENs IN TRUE LENGTH TRUE LENGTH DIAGRAM 10 1 2 8 9 1 8 2 3 11 4 5 12 6 7 ANUPAM SAXENA TA101 LECTURE XXVI DEVELOPMENT OF SURFACES 9 8 TA: NON-DEVELOPABLE, TRIANGULATION NEED TO DETERMINE THE TRUE LENGTHS OF 1-9, 2-10 1-8
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T hinking and A nalyzing continues...
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1 4 5 3 2 6 7 8 10 11 12 9 1 4 5 3 2 6 7 8 9 10 11 12 TRUE LENGTH DIAGRAM 10 1 2 8 9 1 8 2 3 11 4 5 12 6 7 9 8
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