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 122
ined by means of belts and pulleys, and, if the distanceis very great, by wire ropes and sheaves. As there is always someslipping of the belt (from 1 to 2 per cent), the velocity ratio is notexact; but this is not essential in many classes of machinery. Theslip and stretch of the belt reduce the… … Fig. 94. Diagram of Simple Crossed Belt Drive case the shafts are parallel, and the pulleys fastened to the shaft withset screws or keys. The central planes of the pulleys must obviouslybe coincident. The belt is then tightly stretched over the pulleys,and, assuming B, the driver, to turn in the…
Machinery
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