Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 39
s at all, for any two numbersof teeth will then work together. Fig. 52shows one tooth working with three teeth,and any other combination can be obtained.The mininxum obliquity for a given pair isobtained, as in (66), by laying off the knownpitch arc, G D, at right angles to G c, anddrawing the line… … TTnsynifiietricalteeth the case for very low numbers of teeth theaction may be impracticable on account ofthe great friction of approach (48). Thegears of Fig. 52 will not drive each other onthe approach, unless the tooth surfaces arevery smooth,and the power transmitted isalmost nothing.…
Gearing
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