Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 63
d.^ The mechanism illustrated in Fig. 61may be readUy modified to give a quickreturn. Instead of K gearing with G(Fig. 61), it may gear with an additionalbevel wheel, G, which is compound withQ. (Fig. 63). Since K and H have the same speed of rotation, theratio of the speed of return (when, say,… … Fio. 63. SIMPLE MACHINES AND MACHINE TOOLS, ETC. 53K. Or p-, • sj; the letters denoting the number of teeth in the respective wheels. By giving the wheels suitable numbers of teeth, thisratio may have any desired value. In planing machines used for heavy work the screw F isusually replaced by a…
Machinery, Kinematics of
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