A handbook on the teeth of gears, their curves, properties, and practical construction (1887)
Grant, George B. (George Barnard), 1849-1917 · [Boston] · leaf 34
learned. This matter is of more importance than is generally supposed, for bevelgears unlike spur gears must be exactly correct in diameters and angles,or no amount of perfection in the cutter or care in the cutting will preventa botch. To be learned this Chart must be studied. If it is not… … EXPLANATION OF THE METHOD. The measures that must be tiven in advance are the pitchiameters AB and AD, andthe numbers of teeth or thediametral pitch, and the meas-ures that must be determinedbefore the blank can be shap-ed are,1st, the ontside diameters„ m n and p q, each equal to the ■*\…
Gearing
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