Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 78
are in gear themotion of the saddle derived from the leading screw simply causesthe handle E to rotate. The ordinary gearing, or change wheels, which connect themandrel M with the leading screw L have been already describedin § 50. If the half-nuts engage with the leading screw, and if the By… … 68 MECHANISM. clearly be an exact imitation of that on the leading screw, that isto say, it will have the same pitch as the leading screw ; or if theleading screw revolve at half the speed of the mandrel, the screwcut on the work will have half the pitch of the leading screw,and so on. If the…
Machinery, Kinematics of
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