Machine design; a manual of practical instruction in designing machinery for specific purposes, including specifications for belts, screws, pins, gears, etc., and many working hints as to operation and care of machines (1918)
Wallace, Ernest L · Chicago, American technical society · leaf 141
eir pitch point P. In gear calculations it is assumed that thereis no slip between the pitch circles acting as driving cylinders; hencethe speeds of the two pitch circles at the pitch point are equal. IfM and Mt be the revolutions per minute of the cylinders, respectively,r and r1 their radii, then… … Fig. 72. Pitch Cylinders and Teeth The distance from the center of one tooth to the center of thenext measured along the pitch circle is called the circular pitch. Theratio of the number of teeth per inch of diameter is the diametralpitch. The relation of the diametral pitch, circular pitch, number…
Machine design
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