Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 412
on-tact depends upon the limitations imposed by interference or by theintersections of the surfaces bounding the two gears with the con-tact surface. Fig. 440 is drawn to scale to illustrate the actual boundariesof the contact surface in the case of right-hand worm 8 inchesdiameter, 8 inches pitch… … Fio. 438, 402 MECHANISM. dotted lines ak, d. A, etc., represent lines of contact in planesparallel with the central plane (that is, dividing the worm-wheelsymmetrically and containing the axis of the worm). It will bereadily seen that the lines of contact are much more extended onthe side of the…
Machinery, Kinematics of
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