KNITTED TERRY TOWELS--HIGH FLUFFINESS OBTAINED BY UNTWISTED COTTON YARNS.

Japan has developed a new method for producing soft terry towels out of untwisted cotton yarns. A description of the stitch ground structure used in the production of all terry towels is given and compared to the new procedure.

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PERSONAL COMPUTERS INVADE WEAVING.

Over the last few years the use of microprocessors on weaving machines has become commonplace. Leaders in the field are Somet, Picanol, Sulzer, Nuovo Pignone, and Vamatex. The microprocessing systems are used for monitoring machine functions, introducing weaves and color sequences, data collection and control, and bi-directional communica..

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INTERNAL STRAIN IN YARN PACKAGE AND ITS CONTROL METHOD.

The effectiveness of tension control was investigated by measuring the internal strain and the shape of end faces of two yarn packages. One package was formed using the theoretical tension curve whereby stress is the same for all yarn layers. The other package was formed under constant winding tension. Anisotropy, bulge, and cob-webbing o..

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AUTOMATION OF PACKAGE GRADING PROCESSES.

A scheme for automatic package grading, researched in the 1980s by SKTB, involves the automation of package removal, transportation, grading, and packing, as well as the electronic checking of fiber surface quality. The Gualcierani company also has suggested a process for the automatic doffing, transporting, grading, and packing of yarn p..

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MINIMIZATION OF TIME FOR TRANSITION PROCESSES OF HYDRAULIC YARN LAYDOWN MECHANISMS.

A control system was developed to minimize the yarn spreader reversing time on hydraulic yarn laydown mechanisms and consequently to improve yarn packages and winding. The control system increases the speed of the yarn spreader at the moment of reversal by opening the slide valve and feeding the working liquid from the pump assembly into ..

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EFFECT OF PRESSING THE PACKAGE AGAINST THE FRICTION CYLINDER ON WINDING QUALITY AND DENSITY.

The K. Marx LMO testing center studied the effect of pressing force on the shape of the winding package using the AV-192L take-up and winding mechanism. The pressing force is responsible for the package geometry and density ; therefore, the maximum amount of pressing force that can be withstood against the friction cylinder without mashin..

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IMPROVED QUALITY AND REDUCED COSTS BY USING THE SECOND GENERATION OF MAYER DRAW-WARPING UNITS DSST-NC-HVG.

The DSST-NC-HVG is Karl Mayer's second generation of draw-warping equipment. This machine eliminates the possibility of cold stretching by using a pair of heated draw rollers which are lifted from the yarn sheet at machine stop and swiveled back to their initial position when the equipment is restarted. The beaming machine and draw unit a..

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KNOTLESS PIECING AND ITS INFLUENCE ON SUBSEQUENT PROCESSING.

The design of a splicing device is described. The yarn properties that influence the quality of splicing are also discussed.

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TITAN--COMPUTER PROGRAMMABLE REED DRAWING-IN MACHINE.

Titan Textile Machines' BE-PC reed drawing-in machine is a computer programmable unit that will faultlessly draw the warp into the reed, regardless of weaving data complexity. It will work on all Titan BS2 type stands.

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WARPING CREEL MODEL G5-V.

The Hacoba V-shaped model G5-V warping creel is ideal for processing all types of spun yarns made of cotton, viscose, or fiber blends. The Hacoba creel may be fitted with anti-balloon devices and a special tension compensation device. Its wings may be arranged in a parallel configuration is space does not permit the installation of a V-sh..

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