A handbook on the teeth of gears, their curves, properties, and practical construction (1887)
Grant, George B. (George Barnard), 1849-1917 · [Boston] · leaf 14
, 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 18, andmay be considered a very large tooth.Pig g ^ The distance from pitch line… … 11 At a b• c d e U f GRANT. .0000 + .0088 + .0091 +.0056 .0000 -.0036 -.0061 -.0046 .0000 WILLIS. .0000 inches +.0175 +.0244 +.0283 +.0288 • +.0297 +.0308 + .0342 +.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 four…
Gearing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
