A handbook on the teeth of gears, their curves, properties, and practical construction (1887)
Grant, George B. (George Barnard), 1849-1917 · [Boston] · leaf 63
lumn 2 of thetable), and by subtracting each total difference from the nextlarger, find the partial length of curve passed over during eachinterval, as tabulated at column 3. Draw a line at an arbitrary distance, representing unity, from theline of centres and parallel with it, and draw lines, OSa,… … Fig. 2. Graphical Process. easily computed, for each one is the reciprocal of the cosine of theangle POS. The angle for the first normal is 2^°, and there are5° between each of the following normals: Multiplying together the normal for each interval, the partialcurve for that interval, and the…
Gearing
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