ITEMA Weaving: High performance weaving
machinery for high-performance textiles
|
ITEMA Weaving with
its globally renowned brand for technical textiles - Sulzer
Textil - presented at Techtextil, its latest weaving machine
developments and innovative upgrading options for highly
demanding fabric applications. |
Market know-how,
innovative solutions and the right weaving technology
The technology brand Sulzer Textil has been successfully used
in fields of technical and industrial weaving applications for
decades. More than 30% of installed machines occupy most
demanding niche segments, be it for widest, heaviest, densest or
very lose fabric constructions made from any kind of yarn. The
Sulzer Textil brand covers weft insertion systems from Rapier
(G6500), Air-jet (L5500) to Projectile (P7300HP V8) as well as
Customized Weaving Technology (CWT) for specific needs in areas
of complex fabric forming.
|
 |
|
The Sulzer
Textil G6500 rapier weaving machine is the right machine
for weaving aramid fibres. |
Big demand for high quality advice
If there was a clear trend to be seen at this year`s
Techtextil, it was the evident need for technical advice and
support required by participants. Weavers were looking for new
application fields and upgrading opportunities of existing
weaving machines to cover new segments. As such, the Techtextil
offered a great number of high-standing discussions and
deliberations with our existing customer base or prospective
newcomers to the ITEMA Weaving family.
In demand – weaving aramid fibres on
Sulzer Textil G6500
Aramid fibres are used for protecting lives and therefore
must be processed by high quality machinery with most advanced
technology.
The rapier weaving machine Sulzer Textil G6500 is best suited
to weave 0-twist multi-filament 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 running 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.
|
New weft Tensioner "fast yarn
release" for Sulzer Textil P7300HP projectile weaving
machine. The new system releases the weft yarn much
earlier and prevents any contact with the weft yarn other
then the eyelet it self. This results in a straight
insertion line with less strain and deflection on the
yarn. The peak tension is reduced to about 50% of the old
system. |
Wide-width weaving – up to 6.55 m,
upgrading on Sulzer Textil P7300 HP
Flat multi-filament weft yarns (mostly 0-twist) for e.g. very
wide coating fabrics create daily challenges in fabric forming.
Highest quality requirements, coupled with the need for
productivity, ask for dedicated solutions to carefully insertion
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 and insertion system on Projectile weaving
machines.
This improvement makes it very hard for wide air-jet or
rapier weaving machines beyond 4m to compete with the most
suitable projectile weaving machine for demanding applications.
| 
