Week 3 - Pictorials (Ch. 14 and 15)

Week 3 - Pictorials (Ch. 14 and 15) - ME 123 Visualization...

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ME 123 Visualization and CAD Pictorial Sketching Giesecke Chapter 14 and 15
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Projection Methods
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Inclined Planes vs Oblique Planes View Inclined Plane Animation View Oblique Plane Animation
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Normal, Inclined, Oblique? View Front View View Top View View Right View
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Isometric Projection • Lines of an isometric drawing that are not parallel to the isometric axes are called nonisometric lines hese lines are not – These lines are not equally foreshortened
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Isometric Projection • Isometric scales can be used to draw correct isometric projections – All distances are approximately 80% of true ize size
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Control Points
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Ellipses – 8 pt method
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Transference to Isometric
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Hidden Lines and Centerlines • Hidden lines are omitted unless they are needed to make the drawing clear • Center lines are shown if they are needed indicate symmetry or if they are needed to indicate symmetry or if they are needed for dimensioning
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Importance of Hidden Lines Click Here to See Two Possibilities
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Two Possibilities
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Week 3 - Pictorials (Ch. 14 and 15) - ME 123 Visualization...

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