Publisher's Synopsis
Excerpt from Designing and Cutting Cams
A cam is a device for converting circular into reciprocating motion. It generally consists of a disk having an irregular face that acts as driver of a follower in contact with it, or else of a groove cut in a ?at or curved surface. Cams are very useful adjuncts to many forms of machines, as by their aid various complex and complicated movements may be obtained that were otherwise impossible. Their use is, how ever, attended with some objections of a character serious enough to warrant the substitution of some other method of arriving at a desired result when such other method is available. Among these objections may be mentioned the considerable amount of friction, producing wear, and the noisy action of cam movements. Despite these objections, cams have a wide use and are employed in many familiar machines.
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