Handbook for machine designers, shop men and draftsmen (1916)
Halsey, Frederick A. (Frederick Arthur), 1856-1935 · New York, McGraw-Hill book company, inc.; [etc., etc.] · leaf 100
rease as the one shown is, of course, seldomneeded. Many cone-pulley drives are, however, weak in capacityat the slow speeds and Mr. Norriss plan points out the remedy. The cone pulley shown in Fig. g gives a smaller total range ofspeeds than the one shown in Fig. 8, and, if the range of Fig. 8… … Fig. 6.—Finding the middle step for Case III. Fig. 7.—Finding the diameters for Case III. Figs. 6 and 7.—Graphical method of laying out cone pulleys. The arc ah gives the required compensation for the angle of thebelt and provides that a belt length which is correct for one pair ofsteps will be…
Machine design
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