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Tremendous growth opportunities in Asia – ITEMA
06 Nov '09
4 min read
In demand weaving aramid fibres on Sulzer Textil G6500
Aramid fibres are used for protecting lives and therefore must be processed by high quality ma-chinery with most advanced technology.
The rapier weaving machine Sulzer Textil G6500 is best suited to weave 0-twist multifilament yarn since the rapier tapes are unguided thus freely flying through the shed. There are no guide hooks or any other elements in the shed to interfere with the warp. Small and effective rapier heads run-ning close to the weaving reed make sure that there is only a small shed opening needed thus guaranteeing a very low yarn load & tension. This results in top quality fabrics (broken filaments are less of a topic), an optimum fabric cover, less shrinkage and increased yield (m2 of fabric). The G6500 offers special waste saving opportunities in warp and weft at highest insertion speeds of more than 650 rpm on a 190 cm wide machine.
Reinforced and custom-built weaving machines
Ultra-heavy fabric constructions can only be woven cost-effectively with exceptionally rugged and high-precision weaving machines. These machines can be equipped with reinforced machine frames and longitudinal parts. Warp let-off and cloth take-up are also designed to withstand highest warp tensions. Both Projectile- and Rapier weaving machines are available with reinforced ma-chine parts.
Wide-width weaving up to 6.55 m upgrading on Sulzer Textil P7300 HP
Flat multi-filament weft yarns for e.g. very wide coating fabrics create daily chal-lenges in fabric forming. Highest quality requirements, coupled with the need for productivity, ask for dedicated solutions to carefully insert delicate yarns. ITEMA Weaving provides the answer on Sulzer Textil Projectile weaving machines P7300 HP with a new weft tensioning device.
The thread guiding eyelet has been positioned sideways thus preventing the tensioning lever from touching the weft yarn during insertion. New cams for the tensioning unit accelerate much faster during the upward movement thus resulting in a straight insertion line with less strain and deflection on the weft yarn. The peak tension during insertion is reduced to about 50% of the old tensioning & inser-tion system on Projectile weaving machines. This improvement makes it very hard for wide air-jet or rapier weaving machines beyond 4 m to compete with the most suitable projectile weaving ma-chine for demanding applications.
Aramid fibres are used for protecting lives and therefore must be processed by high quality ma-chinery with most advanced technology.
The rapier weaving machine Sulzer Textil G6500 is best suited to weave 0-twist multifilament yarn since the rapier tapes are unguided thus freely flying through the shed. There are no guide hooks or any other elements in the shed to interfere with the warp. Small and effective rapier heads run-ning close to the weaving reed make sure that there is only a small shed opening needed thus guaranteeing a very low yarn load & tension. This results in top quality fabrics (broken filaments are less of a topic), an optimum fabric cover, less shrinkage and increased yield (m2 of fabric). The G6500 offers special waste saving opportunities in warp and weft at highest insertion speeds of more than 650 rpm on a 190 cm wide machine.
Reinforced and custom-built weaving machines
Ultra-heavy fabric constructions can only be woven cost-effectively with exceptionally rugged and high-precision weaving machines. These machines can be equipped with reinforced machine frames and longitudinal parts. Warp let-off and cloth take-up are also designed to withstand highest warp tensions. Both Projectile- and Rapier weaving machines are available with reinforced ma-chine parts.
Wide-width weaving up to 6.55 m upgrading on Sulzer Textil P7300 HP
Flat multi-filament weft yarns for e.g. very wide coating fabrics create daily chal-lenges in fabric forming. Highest quality requirements, coupled with the need for productivity, ask for dedicated solutions to carefully insert delicate yarns. ITEMA Weaving provides the answer on Sulzer Textil Projectile weaving machines P7300 HP with a new weft tensioning device.
The thread guiding eyelet has been positioned sideways thus preventing the tensioning lever from touching the weft yarn during insertion. New cams for the tensioning unit accelerate much faster during the upward movement thus resulting in a straight insertion line with less strain and deflection on the weft yarn. The peak tension during insertion is reduced to about 50% of the old tensioning & inser-tion system on Projectile weaving machines. This improvement makes it very hard for wide air-jet or rapier weaving machines beyond 4 m to compete with the most suitable projectile weaving ma-chine for demanding applications.
ITEMA Group
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