Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 223
efullydesigned. The smaller wheelcast in one piece is more orless subject to stresses causedby shrinkage. The sectionalwheel is generally free fromsuch stresses but is weakenedby the numerous joints. Rim j oints are of two gen-eral classes according as boltsor links are used for fastenings. Wide,… … Fig. 94. FLY WHEELS 205 As will be shown later, the former is a weak and unreliablejoint, especially when located midway between the arms. The principal stresses in fly-wheel rims are caused by centrifu-gal force. 102. Safe Speed for Wheels.—The centrifugal force developedin a rapidly revolving…
Machine design
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