American School of Correspondence · Chicago, American school of correspondence · leaf 314
the saddle from the middle roll and the weight is borneby the front and back rolls. Roll stands are made with the rolls inclined from a horizontalline at various angles from twenty-five to thirtyrfive degrees. Forspinning warp and other hard twisted yarns, the twenty-five degreepitched stand, shown… … 25° ROLL STAND Fig. 196. Warp Roll Stacd,35° Pitch. filling yarn and any soft twisted yarn, the thirty-five degree pitched stand, shown in Fig. 198, is often used. The reason for inclining the rolls is very simple. As the yarn leaves the bite of the front roll, it is important that it shall receive…
Textile industry and fabrics
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