Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 338
on of the present machine may perhaps bebest illustrated in the following manner: Imagine the worm wheelto consist of a soft material like butter, and bring the given wormand the worm-wheel blank into the positions which they willoccupy when in full gear. Let the worm and worm wheel berotated by… … a teeth of the proper shape to mesh with the worm wheel. In 32* Mechanism. practice, since the worm wheel is made of metal, the worm has tobe provided with cutting edges properly cleared and tempered;and these cutting edges are obtained by giving the worm longi-tudinal grooves, so that a number of…
Machinery, Kinematics of
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