shafts,above weavers. If not covered, a strong current ordraught of air is set up, which greatly inconveniencesthe weavers in that neighbourhood. tt is also claimedthat a saving in horsepower consumed is eflfeeted, bycovering pulleys. Diameters of Pulleys.--A certain minimum liiametermust be set up… … vary in a iirojiortion of 30 to 1, according to thicknessof rope, that is, for a 1 IV2 in- rope, the pulley sliouldnot be smaller than 4.5 in. diameter. This diametershould be increased whenever possible, as the largerthe pulley, the less bending required of the rope, there-fore the longer the life…
Textile fabrics · Textile industry
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