Studies on Picking Motion for High-Speed Power-Loom. Part 5.

概要

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It is studied theoretically which behavior is shown and which shape is taken by the weft yarn inserted into the shed considering the effects of shuttle movement, weft yarn unwinding, and the shape of shed.<BR>Results obtained are as follows : <BR>(1) The shape of the weft yarn drawn in the shed near the cloth-fell by the shuttle movement is usually not straight, but curved due to yarn weight, air resistance, and inertia force.<BR>(2) The straight weft yarn drawn in the shed may be stopped by the upper and lower warp yarns building the shed, under some states of the shed and for some kinds of the weft yarn ; this phenomenon happens very few when the weft yarn is fine, but it happens often when weft yarn is coarse, when reed space (shuttle flying distance) is large, when shuttle flying speed is small in comparison with loom speed or timing of shed closing, and when picking is too late.
社団法人日本繊維機械学会の論文