Tuesday, May 7, 2019

Woven Textile Design Essay Example | Topics and Well Written Essays - 1250 words

Woven Textile Design - Essay ExampleTappets be used for simple weaves in which the number of shafts is limited. Dobby systems involve the use of a pattern chain to control the lifting of the shafts. They are the most coarsely used for wool. Jacquard systems control the lifting of each individual end to create nigh unlimited patterning possibilities. (Wool Web, 2007)In the simplest type of tappet shedding apparent motion, the shedding cams are mounted on the bottom shaft, and the motion is suitable only for weaves repeating on two picks. By mounting the tappets on a sound reflection shaft driven by gearing from the bottom shaft at the appropriate speed, the repeat sight be extended up to eight or ten picks. Bobbies are much more several(a) and usually control at least sixteen, and sometimes as many as 36, head shafts. Since the lifting of the shafts is controlled by some form of pattern chain, there is virtually no limit to the number of picks per repeat. Jacquard machines are make in a all-inclusive variety of sizes to control from 100 to 2000 or more ends per repeat. A common size controls 600 ends, which, in a cloth with 30 ends/cm, gives a repeat 20 cm wide within which the designer has complete freedom. The lifting of the ends is controlled by a chain of punched cards or by a loop of punched paper (Ministry of Science and Technology, 2006).from high-fashion woollens to heavy technical textiles. ... With the yarn friendly, reed-controlled terry equipment a maximum slacken pick distance of 24 mm and thus pile heights of over 11 mm are possible. Rapier has special fill brake which decele set outs the weft perfectly to the exact length, thus trim down weft waste to a minimum. A rocket salad twine machine with a working comprehensiveness of 390 cm, equipped for denim merchandise, weave a denim fabric in two panels, with a weft insertion rate of over 1500 m/min and special yarn waste reduction. The projectile weaving machines versatility is proved by the wide range of fabrics it produces. The projectile weft insertion system can be used with all types of yarn, from spun yarns made of cotton, wool, man-made fibres and blends thereof, filament yarns, tapes and monofils for simple standard fabrics, to sophisticated, state-of-the-art technical textiles. A particular strength of the projectile weaving machine is the production of broad fabrics, with working widths up to 6.5 metres. This gives unstoppable advantages in the production of technical textiles, agrotextiles and geotextiles. Given the rising cost of energy, the low power consumption of the projectile weaving machine, together with its minimal maintenance requirement, is an increasingly important advantage.Where maximum efficiency in the production of high-quality standard fabrics made from spun or filament yarns is called for, the latest-generation air-jet weaving machine, demonstrates its strengths. A high weft insertion rate of over 2000 m/min, combined with extensiv e automation, user-friendliness and small footprint result in top favourableness for competitive weaving mills. A maximum working width of 4 metres also allows cost-efficient

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