Characterization of Air-Yarn Interface in Air-Jet Weaving.

Researchers are developing a computerized air jet weaving simulator and databases that address fiber and yarn motion dynamics during air jet weaving. Fiber optic sensors attached to a profiled reed measure yarn velocity. A Labview program converts signals produced by the filling yarn entering the sensor into time values and calculates the..

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Centre Weft Fork Mechanism -- A Design for Non-Auto Loom.

Replacing the side weft motion of a nonautomatic loom with a center weft form motion reduces such fabric defects as broken patterns and double or missing picks. The center weft cam is fixed on the bottom shaft cone end of the connecting rod. The center weft form motion comprises cam, feler, solenoid, and stop motions. The spring tension s..

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The Airjet for Tyre Cord -- Picanol's OMNIplus TC Advanced Tyre Cord Weaving Machine.

Picanol's OMNIplus TC air jet tire cord loom features the advantages of the OMNIplus 190 air jet loom and the Gunne 190 TC tire cord loom. It offers a maximum reed width of 190 centimeters, central forced lubrication system, maintenance-free bearings in the warp feed and fabric takeup units, and a Sumo main drive. The controllable torque ..

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Selection of Air-Jet Texturing Process Variables.

Air jet texturing converts a bundle of filaments into a yarn with projected arcs and loops that entangle with the core fibers. An object oriented software program calculates the effects of overfeed, air pressure, and texturing speed on the bulk and instability properties of air jet textured yarns. The program generates data regarding phys..

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New Projectile Weaving Machine.

Sulzer Textil's P7300 projectile loom features an automated motion sequence to optimize productivity and fabric quality, microprocessor based control system, touch screen terminal, and internet browser technology. Shed geometry improves fabric appearance, warp end separation, and weft insertion. A central lubrication system minimizes labo..

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Promatech: New Alpha Rapier Weaving Machine.

Promatech SpA's Alpha rapier loom features improved ergonomics and increased versatility and reliability. The loom is available in single beam 800 and twin beam versions with dobbies, as well as configurations for electronic jacquard systems in 15 different widths ranging from 1,700-4,600 millimeters. Machine design reduces operating cost..

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A Novel Method to Produce Technical

Seamless three dimensional woven fabrics reduced manufacturing time and space requirements by eliminating cutting, trimming, and waste. Conventional looms manufacture three dimensional fabrics by creating local cavities, cells, ridges, hollows, and honeycomb structures. Specialized looms manufacture spirally woven fabrics from carbon brak..

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Selecting Aesthetically Imaginative and Technically Sound 'CAD' System for Textiles.

Effective computer aided design (CAD) systems for woven fabrics provided fabric simulations over a wide range of yarn counts and densities. Such systems print simulations in the required density and count to more closely resemble the fabrics. Printing graph functions include peg plan, drafting, denting, and weaving; graphs with different ..

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Shuttleless Looms -- Fabric Defects and Their Remedies.

Adjustments in weaving preparation, process control, and worker training can minimize the most common faults occurring in shuttleless weaving, including thick and thin places, starting marks, broken picks, kinky filling. loose and slack ends, warp size, lint balls, reediness, double ends, double pick/missing weft, missing ends, and guts. ..

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Anti-Mould and Antibacterial Filter.

Hagihara Industries' antimold and antibacterial filter consists of a woven or knit fabric with antimold and antibacterial agents. The warp or filling yarns are made of thermoplastic resins that incorporate each agent. The filter thermoplastic resins that incorporate each agent. The filter is 2-3 millimeters thick. Suitable thermoplastic r..

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