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wear-resistant product types as well as knitting tools fabric but also reduced machine downtime and
for fiber composites. highest productivity.
Cover Story One well-known representative of this world’s biggest System concept setting new standards SAN™ TT 112.70-62 G 01 – Needle for higher process reliability when knitting technical textiles with filament yarns Cover Story

Flawless fabrics and highest productivity are also
warp knitting machine product spectrum and its
exactly what Groz-Beckert’s system parts for warp
variant diversity is the compound needle. It is offered
knitting machines stand for. Precision-manufactured
in a variety of hook and shank geometries as well as
mounting options to ideally fit the different machine
team up to build a system. Ideally matching functions
models. Compound needle gauges vary from E 1 to and carefully coordinated individual components
and tolerances – even for highest speeds and finest
gauges – guarantee a smooth interaction of all warp
knitting tools. The result is a long-term stable knitting
process and flawless fabric quality. In addition, short
set-up times and reduced machine downtimes mean
highest productivity.

Everything coming from a single source rounds up
the Groz-Beckert system concept and makes it the
only one of its kind – even more by adding special
customer services. Due to the company’s in-house
mechanical engineering department, it’s impossible
to imitate this system concept or event get close. The
System parts for warp knitting machines machines and tools used for the manufacture of the
products are designed and produced at Groz-Beckert
in Albstadt, Germany. This way, tolerances can be
achieved to within thousands of a millimeter – not visible Knitted material for sports shoes Knitted material featuring carbon roving
to the naked eye but decisive when it comes to process
reliability and production economy. and compression stockings. The possibility to create increased hook stability, an adjusted latch spring
a shape and produce certain functions in a targeted function, anti-scissoring effect with filament yarns and
Ask the experts way in the knitting process makes the flat knitting a slim latch head for tight loops. In a nutshell: this
Groz-Beckert develops knitting tools to meet exactly technology especially interesting for special applica- needle enables multi-thread knitting of tight loops
the customers' needs, and the same applies to their tions. with filament yarn without cutting individual filaments
application advice. Whether top quality, high or threads in the closing movement of the latch.
productivity or a gentle use of resources is requested,
System parts are carefully packaged for secure delivery Knitted shoes
Groz-Beckert has the right products and can help Special knitting techniques allow knitted shoe uppers Reliable processes
with advice based on longstanding experience and to be produced from just one piece. There is no need In the development of the SAN™ TT needle, particular
E 50. State-of-the-art development leads to customer expertise – and is definitely the ideal partner when to join several parts together, which in the case of attention was paid to maximum process reliability
benefits such as uniform loop structure and flawless seeking new business fields and applications. conventional sports shoes means around 30 individu- during knitting. The special geometry results in less
al pieces. However, the production of knitted shoe hook breakages, which means that the knitter
Needle for the one-piece shoe upper uppers requires special properties from the knitting benefits from reduced needle consumption and
consequently less machine downtime. This leads to a
machine needles used. Knitted shoes are character-
significant increase in productivity, going hand in
ized by a high level of comfort: they are lightweight
Groz-Beckert introduces specialties for flat knitters in the technical textiles segment and fit the foot like a sock – also thanks to the SAN™ hand with a uniform loop structure and top quality of
TT needle.
the knitted fabric. Low rejection rates and significantly
Whether in the fashion sector or in sportswear or technical applications, flat knitters Knitted shoes are a challenging application. When reduced second quality provide a great added value.
always find the suitable product in the Groz-Beckert portfolio. One of the product knitting tight loops with multi-thread synthetic yarns, In the product area of flat knitting machine parts,
The wide application field of warp knitted fabrics that industry includes needles, system parts and modules the needle head is subject to high stress, which can Groz-Beckert is constantly expanding its portfolio for
includes shoe and apparel textiles, home and for tricot machines, stitch-bonding machines, highlights is the SAN™ TT needle that was especially developed for the field of result in premature needle failure. The high number of needles, but also for system parts. The key to
furnishing textiles as well as technical textiles also Raschel and crochet machines. In addition to the synthetic yarns can lead to filament or yarn damage matching knitting components is the technical
means a large number of machines with very different versatile standard products, the range also covers special applications. during the loop formation. The cutting of capillaries or development in cooperation with renowned interna-
requirements in terms of knitting tools. special applications such as knitted fabrics in gauges Technical textiles possess special properties. Their sports field, in the car or at work. Technical textiles yarn at the shear point between the latch and the tional machine builders. Groz-Beckert is definitely at
cheek rise of the needle can cause a hairy fabric
the forefront when it comes to further optimization of
over E 40 and the production of terry fabric. The areas of application are virtually unlimited, where they can be manufactured with very different technologies.
Each part is a specialty surface. The Special Application Needle SAN™ TT process reliability – and a valued partner of the
The Groz-Beckert product range for the warp knitting portfolio also includes especially rust- and encounter people on a daily basis – whether on the Typical flat knitted technical fabrics include bandages 112.70-62 G 01 meets these challenges with textile industry.
April/May 2022 April/May 2022