Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 80
Fio. 76. are used (referring to Fig. 69)— fore for each revolutionof the mandrel the lead-ing screw must onlyrotate through one-sixthof a revolution. Thevalue of the train istherefore one-sixth.Moreover, since bothscrews are right-handed,the mandrel and lead-ing screw must rotatein the same… … which is satisfied by making A = 30, B = 60, C = 40, arfd D= 120, as shown in Fig. 76. (ii.) Bequired to cut out a right-handed screw 0/ half-inch pitch.—In this case the. mandrel and leading screw rotate in the samedirection (and thereforethere must be an oddnumber of axes), andthe leading screw…
Machinery, Kinematics of
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