Spur and bevel gearing; a treatise on the principles, dimensions, calculation, design and strength of spur and bevel gearing, together with chapters on special tooth forms and methods of cutting gear teeth (1914)
New York, The Industrial press; [etc., etc.] · leaf 217
lly in the two special forms shown in Figs. 7and 8. Wlien the pitch cone angle a^ equals 90 degrees, the gearis called a crown gear. In. this case the pitch cone e\identlybecomes a pitch plane, or disk. \Mien the pitch cone angle ofthe gear is more than 90 degrees, as in Fig. S. this member… … Fig. 7. Crown Gear and Pinion Fig. 8. Internal Bevel Gear and Pinion Bevel Gear Dimensions and Definitions. — In Fig. 9. whichshows an axial section of a bevel gear, the pitch lines show thelocation of the peripher} of the imaginary pitch cone. Thepitch cone angle is the angle which the pitch line…
Gearing
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