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A Study on the Prediction Technology of
Weft Insertion for Jet
Looms
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| Ryuji SHINTANI and Daisuke MORI |
In the large variety and small production of textiles used jet looms,
it is required that the setting condition is quickly changed to the next
production. A weft yarn used for new development is not necessarily the
suitable yarn for the weft insertion in jet looms. The condition of weft
insertion for the yarn is determined by experience and intuition from
trial weaving. In this paper, it investigated about the estimation method
of the weft insertion performance and the relationship with weft insertion
condition for polyester textured yarn in air jet looms. Consequently,
we observed that the weft insertion performance can be evaluated by the
air-drag coefficient of yarns. It is clear that the main nozzle pressure
contributes to the increase in weft insertion speed. Furthermore, it shows
that the weft insertion speed is able to calculate from weft insertion
conditions.
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Keywords ■■■ |
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air jet loom, weft insertion condition,
air-drag coefficient, weft insertion speed |
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