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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