Computer modelling of different fabric constructions (Russian)

Computer programs developed by the authors for plain, twill and satin weaves are presented and the mathematical theory underlying them is examined. The linear theory of the elasticity of flexible rods is used.

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Relationship between deformation and warp tensiion with respect to loom settings (Russian)

A method for the automated calculation of the warp deformation and tension in terms of the settings of the ATPR pneumatic-rapier loom is described. A computer program is presented. The fabric is question includes warp and weft yarns with a linear density of 40 x 2 tex. The end spacing is 140 yarns/inch. It is shown that the warp deformati..

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Woven shapes - state and outlook of new weaving technologies (German) (Gewebte Formen - Stand und Ausblick neuer Webtechnologien)

The article describes the current state of 3-dimensional weaving technology. This technology was first used in the technical textile area but is now finding applications in clothing. Producing articles from 2-dimensional pieces is tried and tested but does have drawbacks, mainly of labour costs involved in making up. Ways of reducing thes..

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Weaving performance from the coupled lint cleaner: a preliminary report

A mill study determined the spinning and weaving performance of fiber produced by the Coupled Lint Cleaner. This report discusses the spinning results only. Fiber was processed into carded and combed ring and rotor yarns. When compared to a standard saw gin stand followed by two saw-type lint cleaners, fiber from the Coupled Lint Cleaner ..

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Woven fabric's cross-section: Problems, theory, and experimental data

In this article considerations are presented concerned with principles of woven fabric 3D structure formation, by warp and weft yarns acting upon each other and by certain forces. The cross-section structure, as well as the shape, is a complex problem dependent upon forces, geometry, material properties, and time. An exact theoretical ana..

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Short and Partial Weft Insertion in Warp Knitted Constructions.

Stitch-free floats with an emphasis on tight yarn return and a shogging range of between one and six needle spaces result in plush fabric constructions with high lengthwise and lateral stability. Stitch-free yarn insertion uses slack return loops to crease the bulk for raising plush backing on warp knit fabrics. Full threading of the rele..

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ITMA '99 -- Straight Bar Full-Fashioned Bearded Needle Machine Knitting.

At ITMA 1999, monk Cotton International Limited showed its model 2002 straight bar knitting machine with automatic rib transfer integrated into the stitch forming process. Pneumatic selection permanently fixes the position of the transfer bars. The company's new Samknit 2 pattern production software connects to all monk straight bar machi..

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Weft and Warp Knitting Machines for Technical Textiles.

At ITMA 1999, Stoll manufactured a full fashioned knee bandage with a knit-in knee joint opening on its E14 gage CMS 330 TC weft knitting machine. The bandage features a combined rib tubular knit with a rubber weft inlay and jacquard patterning. Machine design was notable for its special knitting cam, stroke control, holding down sinker, ..

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Needle Selection Techniques in Circular Knitting.

Selection of needles in weft knit patterning occurs via direct needle control or indirect needle control and electronic control. Jacquard control systems enable free selection and guidance of more than four needles into working positions. Direct needle control occurs via cam parts or pattern wheels that act on pattern/knitting butts. One ..

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Innovative Components at ITMA '99.

At ITMA 1999, Ruster, which is part of the Mayer Group, introduced a new type of control jack stamped from a single piece using a patented process and hardened on the ground. Other companies showed profile ground and precision stamped or blanked parts, such as high precision cylinder and dial tracks for circular knitting machines and need..

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