Thomas, Hugh Kerr · New York, McGraw-Hill Book Company, Inc.; [etc., etc.] · leaf 47
e, isexactly analogous to that of a spur wheel; that is to say, thestresses upon the teeth have precisely similar effects in theirtendency to shear off the teeth, and therefore, apart from thespecial nature of worm gear and the effects of rubbing, whichhave to be provided against by special… … Fig. 12. The stresses in the worm wheel caused by the tangentialpressure between it and the worm are limited, not by the horse-power of the motor but by the maximum tractive resistancebetween the car wheels and the road, thus P = ^ (28) The tooth of the worm wheel is a cantilever on which the loadw…
Gearing, Worm
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