Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 54
SIMPLE MACHINES AND MACHINE TOOLS, ETC. 43 the thread of a screw B—called tlu wm~m—on the second axis.The screw simply turns in bearings at each end, and is preventedfrom moving axially by flanges. Fig. 55 shows a single-threadedworm, and clearly one turn of the worm will cause the wheel toadvance… … FiG. 55. threaded, each turn of the worm will cause the wheel to turnthrough two teeth, since the same thread gears only with alternateteeth of the wheel, and so on. By means of a worm and wheela very slow motion of the wheel can be obtained. § 38. Trains of Wheels. Compound Wheels. Value of…
Machinery, Kinematics of
Internet Archive · Cornell University Library · Public Domain Mark 1.0. Free to use for anything.
