Effect of Yarn Spinning Systems on the Pilling Resistance of Knitted Fabrics.

Martindale abrasion and pilling tests determined the pill resistance of fabrics knit with open end and ring spun cotton yarns. Fuzz assemblies and pills appeared on both types of fabrics at 500, 1,000, and 2,000 rpm. Pill resistance was greater for fabrics knit with open end yarns. Fabrics manufactured from ring spun yarns had more yarn b..

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The Dimensional Properties of Various Jacquard Structures.

A study used two different jacquard patterns at the front of the fabric and single jersey miss jacquard, double jersey horizontally striped, vertically striped, and birdseye jacquard structures on the reverse side to manufacture two color jacquard fabrics with varying tightnesses. As fabric tightness increased, the total yarn length per c..

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Biaxial Extension Curves for Plain Knitted Structures.

Energy analysis investigated the mechanisms of deformation during uniaxial and biaxial extension of plain weft knit fabrics. Redistribution of yarn curvature had the greatest effect on fabric extension and resulted in greater extensibility in the coursewise direction than in the walewise extension. Structural jamming yielded an initial pr..

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Non-Linear Elastic Fabrics.

Fabric with nonlinear elastic properties have applications in arterial grafts and shoestrings. Blend fabrics with fibrous constituents that provide contrasting elastic properties can meet the complex load performance requirements for these end uses. Nonlinear elastic behavior in blended fabrics results fro nonlinear behavior of yarns, dif..

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Analysis of Swing Arm Yarn Guide Motion on Warp Knitting Machines.

Theoretical and experimental analyses of swing arm yarn guide motion on warp knitting machines determined the effects of machine speed and inherent frequency on yarn tension. A noncontact displacement transducer measured swing arm motion at machine speeds of 29, 800, 1,200, 1,600, and 2,000 stitches per minute. The main shaft rotational a..

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New Developments in Flat Bed Knitting Machines of the Future.

An overview of developments in flat bed knitting machines addresses machine design, compound needle technology, software, and advances in machine speed. Steiger SA's Vesta Multi 24 features a cam carriage without a carriage bow and power driven yarn carriers that follow the fabric selvage. The Aries. 3 knitting machine has a needle space ..

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Sliver-Knit Fabric Innovation.

Mayer Industries' Fiberknit FK - 18J sliver knitting machine manufactures innovative fabrics from short staple fibers. The process allows each stitch to vary with the amount, type or color of the fiber in the stitch. Reducing the amount of fiber in each stitch reduces fabric weight without affecting fabric structure or drape. Manmade Fibe..

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The Many New Directions of Jersey Fabric Development.

Monarch-Trustfin, Mec-Mor, Jumberca, and Tecno-Tex manufacture circular rib knitting machines. Monarch-Trustfin, Orizio, Cantoni, Sangiacomo, and Matex manufacture seamless bodywear knitting machines for innerwear, sportswear, and outerwear. Mayer & Cie manufactures a 44 gage single jersey circular knitting machine, as well as 38 and 44 g..

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On Line Weight and Shrinkage Control of Cotton knits.

Online control of the knitting process requires research concerning automated monitoring of cotton fabric fractional area space on the knitting machine and deviations from preset dimensions. A study to establish a fundamental scheme for online dimensional control of knit fabrics is constructing a prototype image quality acquisition probe ..

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Applications of Micromachines in Fabric Formation.

A study of the use of micromachines, actuators, and sensors in yarn and fabric manufacturing will combine microelectronic mechanical systems and small scale robotic device to automate the process of repairing broken warp ends. Microelectromechanical systems integrate mechanical components, sensors, actuators, and electronics on a common s..

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