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 (1920)
Griffin, Charles Lewis, 1867- [from old catalog], Adams, Charles Clyde, 1882- [from old catalog] joint author · Chicago, American technical society · leaf 116
a uniformly accelerated and retardedmotion, while the cam turns through 150°; it is then to remain atrest while the cam rotates through the remaining 30°, when the same MACHINE DRAWING 103 cycle of movement is to be repeated as long as desired. This is briefly expressed as follows: Harmonic rise… … Fig. 90. Diagram of Complex Motion Plate Cam distances giving harmonic motion of the follower; and for purposesof the fall, by the principles of Fig. 89, into distances giving uniformlyaccelerated and retarded motion. Eight spaces are chosen, so thatthe process of making these divisions is an exact…
Machinery
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