American School of Correspondence · Chicago, American school of correspondence · leaf 250
taple beingworked, and this distance is made greater between the centers ofthe second and third rolls, and still greater between the centers ofthe third and back rolls. Thus, in Figure 152, the distance be- 220 COTTON SPINNING 179 tween tiie centers of the front and second rolls is one and… … If l8 ll ll Pig. 153. Draft Rolls for Ordinary Length Staple Cotton. of eighty grains is being run, the distance between the centers ofthe rolls should be greater than when running a fifty grain sliver.This is due to the fact that not only the fibers directly in contactwith the bite of the roll are…
Textile industry and fabrics
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