Benjamin, Charles H[enry], 1856- [from old catalog] · New York, H. Holt and company · leaf 188
ne diameters and revolutions ofsprockets as before. Cranks and Levers. A crank or rocker arm whichis used to transmit a continuous or reciprocatingrotary motion is in the condition of a cantilever orbracket with a load at the outer end. If the web of the crank is of uniform thicknesstheory requires… … Fig. 76.points midway between the hub and the load point.See Fig. 76, The crank web is designed of the right 164 MACHINE DESIGN. thickness and breadth to resist the moment at AB,and the center line is produced to Q, making PQ = 4PO. Straight lines drawn from Q to A and B will betangent to the…
Machine design
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