糸むらに関する研究-2-

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We tried to find the relation between spring irregularities of the spring. type cradle and yarn irregularities in spinning, and got the results as follows.<BR>Regular yarn was spun when the spring constants of the left-hand side and right-hand side cradle springs were the same. Comparativery regular yarn was spun when the cradle spring constants were not the same, but when the stronger springs were located on the same side of the cradle. The most irregular yarn was spun when cradle springs with different spring constants were used for one roller.