Auxiliary ViewsII - Objectives To understand how to generate views that show inclined oblique surfaces in true shape in multiview drawings To

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1 Objectives • To understand how to generate views that show inclined & oblique surfaces in true shape in multiview drawings • To better understand the manipulation of 3D objects using successive 90 degree rotations in preparation for solid modeling Fundamental Views •L i n e s – seen in true length (TL) if parallel to projection plane – seen as a point if perpendicular to projection plane –a n inclined line is seen in TL in one principal view –a n oblique line is foreshortened in all principal views Fundamental Views • Planes – seen in true shape (TS) if parallel to projection plane – seen as a
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Summary of fundamental views •G eom e t ry Lines: – • Point View – • True Length (TL) view Planes: – • Edge View – • Dihedral angle view – • True Shape (TS) view • Projection plane ٣ to line • // to line ٣ to plane ٣ to plane • // to plane Auxiliary vs. Principle Views • Principle Views – Horizontal – Frontal – Profile • Auxiliary Views – Definition: An orthographic view that is projected into a plane that is not parallel to any of the principle planes – Purpose: To show the true shape of a detail that does not lie in any of the principle planes Auxiliary Views • Often an object has significant features inclined to the
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This note was uploaded on 02/19/2012 for the course CGT 101 taught by Professor Mohler,j during the Fall '08 term at Purdue University-West Lafayette.

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Auxiliary ViewsII - Objectives To understand how to generate views that show inclined oblique surfaces in true shape in multiview drawings To

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