Page 38 - Plastics News October 2023
P. 38

FEATURE






          plates  for highest  quality  require-  cycling,  this  technology  is  outstand-  design feature of the PEARLO is the
          ments for throughputs up to 100 t/h.  ing  for  filtering  low  viscosity  poly-  cutting blade advance system, which
          Specifically designed to produce high  mers.  The  filter  is  self-cleaning  with  permits axial movement  of the cut-
          MI or complex polymers, the CIS sys-  a rotating, perforated drum, through  ter  shaft resulting  in a precise  blade
          tem increases the water flow locally  which  there  is  a  continuous  flow  of  advance as well as a regrinding of the
          to facilitate cutting,  improve pellet  melt from the outside to the inside.  blades during production. This allows
          quality  and reduce  cavitation phe-  A scraper removes the contaminants  higher  equipment  availability,  elon-
          nomena. Easily plugged  on existing  that are held back on the surface and  gated production runs and thus saves
          installations, the additional water flow  feeds them to the discharge system.  costs.
          is then efficiently distributed thanks to  This enables the filter to be used fully   MAAGs strand  pelletizing  system
          the knife holder equipped with a cone  automatically and without any disrup-  EBG is designed for highly filled, hy-
          and  saber knives, facilitating pellet  tions over long periods without having   droscopic and  water-sensitive  com-
          cooling and ejection.              to replace the screen. The advantag-  pounds. EBG scores  with  a high
                                             es:  Reliable  melt  filtration,  ultra-low   degree  of automation, gentle  mate-
                                             melt losses constant pressure curve,   rial processing and excellent product
                                             fast spreading of the  contamination   quality. From the die head to the gran-
                                             and short residence time of the melt   ulator, the pelletizing system forms a
                                             in the filter.
                                                                                 unit that, despite its compact design,
                                             PEARLO 350 EAC with liquid-heated  has features of a large compounding
                                             die plate for high capacities:      system.
                                             The underwater pelletizing  system  MAAG Group extrex gear pumps of-
                                             PEARLO  350  EAC is especially  de-  fer an optimized interaction of the
                                             signed for  high throughputs of  like  components. Specially developed gear
                                             18.000 kg/h of Virgin Polymer produc-  teeth  with low compression allow
                                             tion. The unique cutting blade design  very high pressures to be achieved
                                             and optimum water and material flow  with low shear rates. The result is a
                                             conditions within the cutting chamber  further increase in achievable product
          MAAG ETTLINGERs  ECO  500  is a    provide not only ideal and homogene-  quality,  volumetric  efficiency,  as  well
          high  performance  melt  filter  for  the   ous cooling effects but also outstand-  as production consistency and safety.
          filtration  of  heavily  contaminated   ing pellet quality. Another innovative
          polymer feedstock. For chemical re-

          KraussMaffei unveils lifecycle calculation tool
           nvestment  decisions are often  The  company says ‘ it's  like  an ice-  the greatest  potential for  economic
          Ionly about capital expenditures  berg’: only the tip is visible above the  and ecological optimization is not im-
          (CAPEX). However,  the majority of  surface, the vast majority of its mass  mediately apparent,” explains Markus
          costs occur in the operation phase of  lies underwater. According to Krauss-  Lunz, Head of  Service Product &
          a machine.                         maffei, the same applies to the total  Portfolio Development.
                                             product lifecycle costs e.g. of injection
          A new calculation tool from Krauss-                                    The new ‘lifecycleValueCalculator’ by
          Maffei tracks the economic and eco-  moulding machines. 80 to 90 percent   KraussMaffei makes this potential vis-
          logical impact of a machine, a digital   of those occur in the operation phase   ible. With the calculation of individual
          service product or a lifecycle service   (OPEX), e.g. for energy consumption,   ecological impacts from  production,
          product visible over its  product life-  material, maintenance or downtime,   the tool also supports in the fulfillment
          cycle.  The lifecycleValueCalculator   but  are  mostly  not  quantified  in  de-  of increasingly strict legal regulations
          aims to support plastics processors to   tail. The situation is similar with CO2   and documentation requirements re-
          meet their CO2 targets and increase   emissions: Here, 60 to 70 percent of   garding ecological aspects.
          profit at the same time.           the CO2 emissions occur during the
                                             operation phase. “This means that  Functionality


          38   PLASTICS NEWSASTICS NEWS                                                               October 2023
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