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 114
th in contact, etc., it is almost universally usedin gear design. Mr. Lewis assumed that all of the load on the gear was con-centrated at the end of one tooth, its line of action being perpen-dicular to the surface ^C as shown in Fig. 11. (See also ChapterIII for the derivation of factor Y in the… … Fig. n. Diagram illustrating the Derivationof the Lewis Formula lOO SPUR GEARING tributed compressive stress. When the material of which thegears are made is stronger in compression than in tension, thisradial component is a source of strength, but when the materialis of about the same strength in…
Gearing
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