Page 57 - November/December-2019
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 PRODYE-R rope dyeing unit



 is setting new standards in



 everyday production






 fewer chemicals, e.g. around 20 % less hydrogen
 sulphide, are required. The rebeaming process is 15
 % to 20 % faster. In addition, the PRODYE-R requires
 a significantly shorter dyeing section. Enzo Paoli, the
 Managing Director of KARL MAYER ROTAL, KARL
 MAYER’s center of excellence for denim, expects
 fresh impetus for further business transactions.

 More efficiency, fewer dye boxes
 The PRODYE-R has only 8 to 9 instead of 12 dye   (L to R) Roland Kohn, President of the BU Warp Preparation, CEO Arno Gärtner and Enzo Paoli,
             Managing Director at KARL MAYER ROTAL, open the new competence centre in Italy for denim customers
 units, but reaches colour depths of up to 5.5 %. Also
 thanks to the fluted rollers in the sky oxidation the        The BALL WARPER draws the yarns from the
 indigo dyestuff is extremely solid physically bonded,        bobbins, brings the threads together to form a rope,
 and the colour shade is bright. Due to the shorter dye       and winds up the rope in cross lapping to a ball.
 section, it is possible to reduce the total volume of        During this cycle, the computer-controlled system
 the indigo dye bath by more than 25 % and also to            ensures an operation that is gentle to the material,
 reduce the energy consumption. The result is a               with a constant, smooth run. Afterwards the ropes are
 KARL MAYER’s BALL WARPER
 marked drop in costs. This is based on targeted              removed from the balls, and guided through the dye
 KARL MAYER belongs to the top manufacturers of   technical optimizations regarding the feeding of the   section. During this procedure, a perfect tension
 indigo dyeing equipment worldwide. With its   dye liquor and the rope guiding through the bath.   control by load cells facility that is adapted to the
 PRODYE-S slasher dyeing unit, this company has   Besides, the special recirculation of the dye liquor   material, ensures that the compact, uniform structure
 already become firmly established as leading   requires less chemicals such as caustic soda; and   of the ropes is not adversely affected. In the dryer
 provider in the high-fashion denim sector; with its   by means of the special ECO   section the conventional belts were replaced by
 PRODYE-R for the rope dyeing process, the   wash box design it is possible   KARL MAYER’s LONG CHAIN BEAMER  motors to ensure a perfect tension control, keeping
 company is on the way to the top of the market also   to reduce water consumption   the right elasticity of the yarn. At the exit of the dryer,
 in the genuine/standard segment. Only in April 2019,   by roughly 30 %.   number of LONG CHAIN BEAMERS. An important   a coiler with circular motion ensures a uniform
 a renowned denim manufacturer put a PRODYE-R in   prerequisite for this fact, however, are technical   storage/stacking of the ropes in cans. This step also
 operation, thus, marking an important milestone. The   Homogeneous ropes, high   solutions that ensure a homogeneous buildup of the   contains design know-how. Coilers with linear bars
 machine impresses by its performance in the   rebeaming speeds   ropes during their passage through the machine.   replace the commonly used mechanic gear coilers,
 powerful denim player’s everyday production. The   The rebeaming process of the   Ropes consisting of threads that stick together
 PRODYE-R scores with respect to comparable   PRODYE-R convinces by its   considerably, can only be separated slowly after   offering highest flexibility instead of long reaction time.
 machines with a high speed during the opening of   speed. The possible time   dyeing. Otherwise, it comes to yarn breakages, which   Within a very short period, it is possible to adjust the
 the yarn ropes after dyeing – the so-called rebeaming   saving compared to   have to be repaired by knotting, resulting in inferior   rope twist to different machine speeds and rope
 – and also with a reduced number of the required   conventional similar plants is   quality and efficiency losses during weaving. Special   weights. The result: yarn compound structures without
            attention is paid to a uniform rope structure already
 dye boxes. This opens up far-reaching efficiency and   Loading and doffing device   15 % to 20 %, which can be                                                                threads sticking together, that can be separated at high
                                      used for reducing the required
 savings potential. Among other things, significantly   of the BALL WARPER  during the feeding of the material to the machine.   speeds, and that can be wound onto a warp beam.
 November/December 2019                                                            November/December 2019
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