Page 31 - TEXtalks International April/May 2022

30 Groz-Beckert for Weavers 31

Cover Story Weaving preparation comprehensively mastered Cover Story

Groz-Beckert introduces the flagships of the portfolio

The KnotMaster series is Groz-Beckert’s modular system of knotting machines
providing a wide range of possibilities including various types of knotting and yarn

selection systems. The KnotMaster definitely sets standards in terms of functional

diversity, service and maintenance. Groz-Beckert’s weaving preparation portfolio is KnotMaster – Tying machines and frames for every application WarpMasterPlus – Maximum flexibility with minimal setup requirements
completed by the WarpMasterPlus – perfectly described as Drawing-in 4.0. Flexible and modular repetition shows further measures. If these have no
effect, the machine stops, and the corresponding
The individual models of the KnotMaster series are
available for single or double knots or a combination error message is displayed. Whenever the separation
of both. The function selection is possible with a system can select the thread through repetition, the
simple handle. In this way, the knot connections can tying process continues at full speed.
be optimally pulled through the weaving harness.
The yarn breakage control contributes to fault-free
By integrating all four types of knotting in individually knotted chains. This feature reliably detects faults in
removable knotting groups, KnotMaster models with the knotting process and stops the machine
Quattro technology offer outstanding added value. immediately if necessary. For warps with leases, an
These models are particularly developed to increase additional check for lease faults is carried out,
flexibility in weaving mills that regularly tie warps with assuring perfect tying results.
and without leases.
Weaving preparation invented for the future
The modularity results in a user- and service-friendly Recently, Groz-Beckert expanded its product portfolio
system. All functions are logically structured and for weaving preparation with a new drawing-in
placed. Operation via touch screen is intuitive and machine: the WarpMasterPlus. The new WarpMaster
generation combines modular design consisting of
easy to learn. In addition, every component – whether needle, reed, healds, drop wires and yarn module,
for inspection or replacement – is quickly and easily low space requirements for the machine and
accessible. In a nutshell: The KnotMaster series drawn-in harness. This machine offers maximum
simplifies and improves the tying process in flexibility with minimal setup requirements and
weaving mills. problem-free drawing-in of critical warp yarns via one
single cone.
Helpful features as standard
Intelligent technical features increase both process The fully automatic drawing-in machines from
reliability and reproducibility. One example are the yarn Groz-Beckert show further focal points in the
clamps with a separate clamping system. These special development were maximizing machine efficiency
KnotMaster yarn clamps allow yarns of different goes hand in hand with reducing set-up and
thicknesses in the woven and the new warp to be dismantling times. For this purpose, they increased
the operational speed and added sophisticated
processed without any problems. Differences in functions such as pre-setting drop wire magazines
thickness are automatically compensated. and CNC axes for adjusting the heald. Conversion
times can be reduced to a minimum with different
Difficult yarns are even a specialty of the automatic accessories.
repeater ensuring an automatic tying process. In
Sophisticated technology and simple operation for a processing times for a more efficient and cost-effective case the separation unit cannot remove a yarn on the The latest technologies have been consistently
wide range of applications are considered the big weaving preparation. Regarding efficiency, the first attempt, the control repeats the attempt by a applied to introduce a machine onto market that
advantages of the KnotMaster series. Customers KnotMaster impresses with its high-performance predefined number of times. This happens at the full already meets future requirements with regard to
benefit from rapid warp changes and reduced achieving up to 600 knots per minute. speed of the tying process. Intelligent automatic increasing automation in the course of Industry 4.0.

April/May 2022 April/May 2022