Page 56 - 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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