Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 368
FiQ. 393. making it in the form of a groove of width equal to the diameterof the pin, so that it has two acting edges, as in Fig. 394. Thecentre of the pin always lies on the centre line of the groove, sothat, knowing the form of the centre line, or pitck line of the cam, … Fig. 394. as it is termed, the two acting edges may be found by describing anumber of circles equal in diameter to the roller, and having theircentres on the pitch line of the cam, and then drawing two curvesto touch the circles. It ought to be particularly noticed that thisis 710^ equivalent to…
Machinery, Kinematics of
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