Thomas, Hugh Kerr · New York : McGraw-Hill Book Co. · leaf 55
P 0 ^1 T Fig. 16. or = 2? COS a tan W and substituting for p or = -—-—,—^ cos a tan - sm [oi + cp) 2 (50) (51) 42 WORM GEARS neglecting (p T cos a tan W or = sm a ¥ . or^T cot a tan — (52)(53) Notwithstanding that this vertical force is the actual pres-sure tending to separate the worm and wheel in… … Fig. 17. the axis of the worm, T is the moment of torque at the pitchline; it is, of course, balanced by the reaction R which is thehorizontal stress upon the journal bearings of the worm = 7.We have just seen, however, that there is a vertical pressure on W these same bearings = !r cot a tan ^ = F…
Gearing, Worm
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