EXTRUSION LINES | TECHNOLOGY


up- and down-stream equipment and understand- ing of the industry requirements. “Moreover, KraussMaffei [the parent group] has decided to concentrate on circular economy and recycling as one of the main future applications, and work on that in global, group-wide initiatives and also with major industrial partners, as well as with major industry associations, like VDMA.” In addition to recompounding, he said other solutions available from KraussMaffei’s injection moulding, extrusion and rubber businesses include: direct-recycling in injection moulding by using IMC (injection moulding compounder); using the APC-feature in injection moulding to balance fluctuations in viscosity coming from recyclate pellets; providing pipe extrusion systems with inner layers made out of recyclate; and re-use of rubber during rubber extrusion for tyres by using the group’s CRS1000 mill. Coperion has provided an update on the


Corema recycling and compounding system developed with Erema, which the two companies launched in 2012. The combination of Erema’s single-screw counter-current recycling technology and Coperion’s twin-screw compounding extruders


“has proven highly successful”, said Coperion. “Over 20 Corema recycling plants equipped with Coperion twin screw extruders have been sold in the past four years alone, mainly due to the high satisfaction customers have experienced with the equipment. The currently increasing order intake shows strong evidence of a continuation of this positive trend. The produced high-quality recycled compounds are used, for example, in the automo- tive and packaging industries.” In the Corema process, the initial step of


Above: The Edelweiss recompounding line is based on Erema and KraussMaffei Berstorff extruders


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