Fairbairn, William, Sir, 1789-1874 · London, Longman, Green, Longman, Roberts & Green · leaf 43
in the generation of the epicycloidc E and straight line e h ; but if we suppose these already de-scribed, the former being fixed to the circle R, and the latter tothe circle x; then if e h roll by contact on the epicycloid c e,it will move the circle e precisely in the same manner as if thecircle… … WHEELS AND PULLIES. 23 cloidal curvature, which may be used in setting out all theother teeth. First method, when the generating circle is the same forwheel and pinion, the face of the tooth an epicycloid, and theflank a hypocycloid. Construct two templets A and b (figs. 192, 193) having theirfaces…
Mills and mill-work · Machinery
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