Machine design; a manual of practical instruction in designing machinery for specific purposes, including specifications for belts, screws, pins, gears, etc., and many working hints as to operation and care of machines (1918)
Wallace, Ernest L · Chicago, American technical society · leaf 162
of theshaft, as well as its deflection, has been considered under Shafts/the theoretical study of bearingsmay be assumed as starting ona given basis of shaft diameterD. The main problem thenbeing one of heat control, letthe amount of heat developedin a bearing by a given side loadbe first… … Fig. 84. Friction in Bearing The peripheral speed of the ttDNshaft for N revolutions per minute is ——— feet per minute. As work _LzS is force times distance, the work wasted in friction is then- foot-pounds per minute. One horse-power being equal to 33,000 foot-pounds per minute H = fiPirDN12 X…
Machine design
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