Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 261
duction. Clearly, such installations are best fitted with wormgear drive, as any speed reduction is easily obtained without the ne-cessity of double reduction drive. *Prof. Harkness, as a result of his investigation on the strength ofgear teeth, found that all the formulae on the subject might be… … \L. ADDENDUMDEDENDUM CLEARANCE Fig. 4,184.—Gear tooth parts. Systems of spur gearing. Two systems of gear tooth areused for spur gears: the cycloidal and the involute. Of these, the involute system isthe one more commonly used, especially for cut gearing. The standard involute geartooth has a 14 J^…
Electrical engineering
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