Machinists' and draftsmen's handbook, containing tables, rules and formulas, with numerous examples explaining the principles of mathematics and mechanics as applied to the mechanical trades; intended as a reference book for all interested in mechanical work (1910)
Lobben, Peder, 1858- · New York, D. Van Nostrand company · leaf 388
nch per foot of length. A corresponding taper is made in thedepth of the key-way in the hub. Key-ways in shafts are alwaysmade straight. For light and fine machinery taper keys are never used. SHAFTING. 369 TABLE No. 44.—Dimensions of Couplings for Shafts. (All dimensions in inches.) Dimensions of… … BEARINGS. A satisfactory rule is to make the length of the bearing forline shafting six times the square root of the diameter of theshaft. Example. What is a suitable length of bearings for a shaft of fourinches diameter ? Solution: Length of bearing = 6 X VT^= 12 inches. Some designers make the…
Mechanical engineering
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