Extra Warp and Weft Pile Foundations
topic
Extra warp pile fabrics weave supplementary warp threads over wires or between two ground fabrics that are subsequently cut to form the upstanding pile of velvet and velour, while extra weft pile uses supplementary weft threads floated over wires or the ground fabric that are cut to form the cut pile of corduroy, with the ground fabric providing dimensional stability and the pile threads being completely separate from the ground interlacement, requiring tension-controlled pile warp delivery distinct from ground warp.
Role
Forms the structural basis for cut pile fabric production where the pile yarns must be woven with precisely controlled float length and subsequently cut at exactly the correct height to produce uniform pile of the specified length, with pile weave engineering governing the pile density, height uniformity, and ground fabric stability that together determine pile fabric quality in velvet, velour, and corduroy production.
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