A handbook on the teeth of gears, their curves, properties and practical construction (1885)
Grant, George B. (George Barnard), 1849-1917 · [Boston] · leaf 14
ake, for an example, the case of atwelve tooth pinion, which will show the errorsat their greatest, and calculate them with greatcare for a tooth of three inch circular pitch, whichis twice the size of the figure on page 13, andmay be considered a very large tooth.The distance from pitch line to… … 11 GRANT. WILLIS. At a .0000 .0000 inches b +.0088 +.0175 • c +.0091 +.0244 d +.0056 + .0283 e .0000 + .0288 • f -.0036 +.0297 u -.0061 +.0308 ^ h -.0046 +.0342 k .0000 +.0397 Average, .0042 .0260 It is seen that the new arc is in no place one hundredth of an inch in error,and that for a tooth of…
Gearing
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