Mechanical drawing. Elementary and advanced (1910)
Reid, John S. (John Simpson), 1856- · New York, J. Wiley & sons; [etc, etc.] · leaf 276
om center to center of steel bar of which the spring is made, in inches;w = weight applied in pounds; D = diameter, or side of the square of the steel bar, in six-teenths of an inch;C=a constant, which may be taken as 22 for round steeland 30 for square steel. To obtain the total deflection for a… … Fig. 345. Fig. 345 shows an example of a coil spring for a steam safety-valve with its spindle. Cast-iron Flanges.—Figs. 346 and 347 show drawings ofcast iron flanges of ordinary design. Their correct proportionsare given in Table 10.
