Taggart, William Scott · London : George Routledge & Sons, Ltd. · leaf 14
make 3 x 126= 378 revs, per min. Fig. 3 represents the usual method of altering speed bymeans of a counter-shaft. The line-shaft A has to drive themachine at D, but owing to practical difficulties, or to the highspeed required at D, it is not possible to drive direct fromA to D. In such cases a… … Example.—A pulley A {see Fig. 3) on line-shaft, 30 in, dia., drivespulley B, 12 in. dia., on counter-shaft; pulley C, 22 in. dia., oncounter-shaft, drives pulley D, 10 in. dia., on the machine.What is the speed of the machine-shaft if the pulley on line-shaft makes 200 revs, per min. ?First, find…
Textile machinery
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