The two-throw opposed-crank crankshaft is mounted in bearings at A and G. Each crank has an eccentric

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The two-throw opposed-crank crankshaft is mounted in bearings at A and G. Each crank has an eccentric weight of 6 lb, which may be considered located at a radius of 2 in from the axis of rotation and at the center of each throw (points C and E). It is proposed to locate weights at B and F to reduce the bearing reactions, caused by the rotating eccentric cranks, to zero. Determine the magnitudes of these weights if they are to be mounted 3 in from the axis of rotation.

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Theory Of Machines And Mechanisms

ISBN: 9780190264482,9780190264536

5th Edition

Authors: John J. Uicker Jr, Gordon R. Pennock, Joseph E. Shigley

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