Machine drawing; a practical guide to the standard methods of graphical representation of machines, including complete detail drawings of a duplex pump and of a direct-current generator (1914)
Griffin, Charles Lewis, 1867-, Adams, Charles Clyde, 1882- joint author · Chicago, American technical society · leaf 103
tbe secured. 90 MACHINE DRAWING 5. Testing. The testing of the cam is accomplished in the sameway as previously described, by the tracing-cloth method. Theseveral positions of the follower in its path should be drawn; and asthe cam is rotated into its several positions, if the work has… … Fig. 81. Diagram of Cam with Roll Follower on Center Line always perpendicular to the surfaces at their point of contact; inother words, the line of pressure is the common normal at the pointof contact. The follower being a true circle, the perpendicularat any point of its surface must pass through…
Machinery
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