Grant, George B. (George Barnard), 1849-1917 · Boston, Grant gear works, incorporated · leaf 92
W is the face angle. The cutting decrement is J, and T is the cutting angle. I Twice the distance mn is the diameter incre- [ ment, and em is tiid outside diameter. The pitch radius of the Tredgold backcone is OB, and the figure shows the con-struction of the gear teeth on this conedeveloped. The… … Drafting the hevel gear.% 163.—THE BEVEL GEAR CHART. The drafting of the bevel gear blanks by I diameters must be taken off for use at themeans of tlie method of (162) is simple, but j lathe, and that is by no means a simple mat-the method requires draftin« instruments,not always at hand, as well…
Gearing
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