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HOME > Product Information > KraussMaffei Berstorff plastic extruders

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KraussMaffei Berstorff plastic extruders

EdelweissCompounding
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Tailor-made extrusion concepts for recycling and compounding processes

High-performance extrusion solutions that optimize the plastic recycling process.PE1707169_1 .jpg

KraussMaffei Berstorff extrusion systems for recycling processes meet the highest demands regarding quality, efficiency and durability. The high-performance single- and twin-screw extruders can be employed both as an individual machine or in combination with a cas- cade process for clean regrind in-house plastic, post- consumer or post-industrial waste.
KraussMaffei Berstorff has linked together diverse tasks, PE1707169_2 .jpgsuch as material compaction, degassing, filtering and compounding to automated systems. The system provides a tailored solution for any plastics recycling and compounding task.

IPC System (internal cooling system for plastic pipes)
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The space occupied by the cooling tunnel is a critical factor in pipe production plants, where space is subject to limitations.

By adopting the IPC system (a cooling system that cools plastic pipes from the inside), production speed can be increased using the same installation space.

QuickSwitch System
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Amid intensive cost competition, the task of improving throughputs through the reduction of changeover time and scrap, etc., is becoming increasingly urgent.
With the QuickSwitch System, the pipe size can be changed in minutes without stopping the line with just the push of a button.

And only a minimal amount of scrap is generated while the change is taking place.

KMD32 type counter-rotating twin-screw extruder

Extruder for U-PVC extrusions for window profiles, etc..
The L/D ratio of conventional machines was increased from 26 to 32, to increase the specific output.
While the energy input is increased, the shear energy is reduced, improving the overall energy balance, leading to greater flexibility with respect to various additives (such as stabilizers).

Co-rotating twin-screw extruder

A gearbox of the highest standard is used to achieve high speed and high torque operations in compounding applications, reaction processes, and degassing processes. The surface of the barrel bore of the ZE-UTX series is directly hardened by means of an innovative fabrication method (special heat treatment process), so the cooling jacket and processing part are close to each other, to achieve superior cooling effects. Further, by combining the extruder with a melt pump, compounding and forming can be carried out in a single process.

Foam Extrusion systems

This system consists of two stages: the plasticization & gas insertion stage, and the cooling stage.
In the first stage, a co-rotating twin-screw extruder is adopted to enable the gas to disperse evenly in the elastomer melt.
This system is used in the manufacture of insulation boards for the construction industry, foam beads, soundproof sheets, packaging materials, and food trays, etc.

PlanetCalender

The PlanetCalender is a polishing roll type calender that is ideal for the production of clear sheets and films from PMMA, PC, PETG, and SAN compounds. Because the positions of Roll-1 and Roll-3 can be rearranged as desired, the PlanetCalender can deliver the process engineering advantages of the standard horizontal, inclined, or vertical roll arrangements all in a single unit. The entire frame of the PlanetCalender can be turned to optimize the feed angle of the melt. Moreover, the resident time of the melt over central Roll-2 can be controlled by adjusting the position of Roll-3 relative to Roll-2. As a result, optimal cooling conditions can be provided for a wide range of material types and thicknesses. The melt resident time on Roll-2 can be adjusted to the type of material and sheet thickness. The feed angle, determined by the weight and elongation of the melt, can be changed by adjusting the position of the first roll.

"PlanetCalender" is a registered trademark.