Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 319
eother the driven or follower. The angular velocities of the pitch circles is thesame, but the number of revolutions of the wheels is inversely as their diam-eters taken at the pitch circles. If the driver is 24 diameter, making 120revolutions per minute, and the driver is required to make 200… … Fig. 074. MACHINE DESIGN AND MECHANICAL CONSTRUCTIONS. There is considerable variation in the proportion of teeth, as—Thickness of teeth, from -45 to -48 pitch.Space between teeth, from -55 to *52 pitch. 303
Mechanical drawing
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