June 2009
Intermediate to advanced
572 pages
18h 38m
English
Content preview from Engineering Drawing, 2nd Edition
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3
Geometrical Constructions, Loci and Engineering Plane Curves
OBJECTIVES
After studying this chapter, you will be able to
Divide a line into equal parts
Draw regular polygons
Draw lines and arcs tangent to each other
Draw curves used in engineering practice such as conics, cycloids, involutes and spirals
Draw normals and tangents to a given engineering curve
Draw the path of a point on a selected part of a machine that undergoes motion owing to the effect of another part
3.1 INTRODUCTION
The exact shape of a curve often decides the proper working of a machine and inaccuracy results in noisy or ineffective working. For example, the shape of gear teeth should be either a perfect involute or a cycloid. As the shapes of objects used in ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.