American School of Correspondence · Chicago, American school of correspondence · leaf 231
1G4 COTTON SPINNING trumpet, E, and between the calender rolls, F and G. The speedof the back roll, D, is constant as a certain relation must be main-tained between it and the speed of the card calender rolls, and toincrease or decrease the weight of the sliver, the speed of the frontroll must be… … CALENDER ROLL Pig. 137. Gearing Connecting Cards with Railwaj Head position of the cone belt. If the sliver is too heavy, the front rollmust run faster to increase the draft and reduce the weight, whileif it is too light, a corresponding decrease in the speed must takeplace. The cone belt, S,…
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