網糸の磨耗

概要

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Cotton threads were twisted by trial twister in the state of balancing upper with lower twist (Tab. 1, Fig. 2). These were weared by the apparatus as shown in Fig. 1. Both values of r/r0 and T/T0 are decreased in accordance with the increase of times in friction (Figs. 3, 4). Generally the thick threads are easy to wear compared with the fine (Fig. 4). As to threads in market the next experimental formula was usually determined, r/r0=√T/T0 but in this case above formula was not satisfied (Figs. 3, 4). It is supposed that the samples used are not completely compacted as these are produced by the way of experiment.
公益社団法人日本水産学会の論文