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カバリングマシンの自動糸交換装置の開発: (第4報) 圧力変化を利用した芯糸検出装置

フォーマット:
論文
責任表示:
堀, 純也 ; 八田, 潔 ; 喜成, 年泰 ; 新宅, 救徳
言語:
日本語
出版情報:
繊維機械学会 = Textile Machinery Society of Japan, 1998-01-01
著者名:
掲載情報:
繊維機械学会誌 = Journal of the Textile Machinery Society of Japan
ISSN:
0371-0580  CiNii Articles  Webcat Plus  JAIRO
巻:
51
通号:
3
開始ページ:
T59
終了ページ:
T63
バージョン:
publisher
概要:
Drawing-in process on covering machines is so difficult and inefficient that its automation is especially hoped. However the automatic drawing-in system developed in order to improve drawing-in operation is not able to distinguish whether the core yarn is successfully drawn into the hollow spindle or not. So we developed a detecting system for fine Spandex, applying pressure variation in pipe flow caused by yarn behavior. Results obtained are as follows : (1) Pressure variation can check the presence of Spandex when it runs through, a small air flow pipe. (2) This detecting system consists of a diaphragm type pressure sensor, a small pipe and a simple sequence program. (3) The system can detect Spandex yarns from 30D to 420D that are widely used and too thin to sense even by manual operation. And it is confirmed that the system has practical utility. (4) The system is installed on the automatic yarn drawing-in device. When the system distinguish the failure to draw Spandex into hollow spindles, the failed Spandex package is removed and drawing-in is again attempted with another package on the same spindle. In this way, yarn drawing-in is performed for all spindles on a covering machine continually and automatically. 続きを見る
URL:
http://hdl.handle.net/2297/45727

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