Benjamin, Charles Henry, 1856- [from old catalog], Hoffman, James David, 1868- [from old catalog] joint author · New York, H. Holt and company · leaf 196
iouslubrication means gradualengagement and slight driv-ing power; scanty lubrica-tion gives more power andquick seizure. The principal disadvan-tage of the disc clutch isthe heavy spring pressurenecessary to insure drivingpower. The multiple disc clutches cause some trouble in lubricationand are… … Fig. 78. 178 MACHINE DESIGN The more usual construction has a band which is expandedagainst the inside surface of the enclosing case by means ofinternally operated levers and springs. Centrifugal force at high speeds has a disturbing effect onthe levers and sometimes causes the clutch to release…
Machine design
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