Loom Settings and Fabric Structure: Two Major Influencing Factors of Warp Tension Variation
Keywords:
fabric structure, loom settings, warp tension.Abstract
The Warp tension has a great influence on fabric quality and production. Warp tension is related with various loom settings like backrest position, backrest height, dropper position, dropper height and fabric structure. If backrest roller is moved at backward position keeping the dropper line intact then the required warp tension will be reduced. But if the intact dropper line comes at the middle due to the changing of backrest roller position then the required tension will be high. Tension is also influenced by backrest height like higher backrest height will need high tension and lower backrest height will need low tension. Again, dropper position and dropper height affect the tension at a large scale. When the dropper position (distance from backrest to dropper line) increases then the required tension will also increase. In case of dropper height, when dropper line is lifted then the required tension will be decreased provided that the dropper line is situated about the middle position of warp yarn. However when the dropper line is situated closer to the heald frame then the effect of dropper height will be substituted by the effect of dropper position. On the other hand fabric structure or weave has substantial influence on warp tension. Plain weave require more tension than any other weave.
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