Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 80
Bequired to cut out a left-handed screw having 8 threadsto the inch. In this casethe directions of rotationof the mandrel and lead-ing screw are opposite,and therefore there mustbe an even number ofaxes; and the leadingscrew must rotate at halfthe speed of the mandrel.The simplest arrangementis to… … 70 MECHANISM.
Machinery, Kinematics of
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