June 2009
Intermediate to advanced
572 pages
18h 38m
English
Content preview from Engineering Drawing, 2nd Edition
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12
Multiview Orthographic Projections
OBJECTIVES
After reading this chapter, you will be able to
Draw the orthographic projections of objects created by the addition and subtraction of elementary shapes or block-type objects bounded by plane surfaces
Read the shapes of objects in pictorial views, particularly in the form of isometric projections or oblique parallel projections
12.1 INTRODUCTION
Before constructing a new machine, the designer has to imagine the shapes of the various parts of the machine and their positions relative to each other. The designer has to then convey the complete description of the shape and size of each part to the manufacturing division for fabrication. This description is conveyed through the orthographic ...
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