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häuser, Reiwood can be installed perfectly level and has been designed as a click system so that planks can be connected with the supporting base. This is not possible with commercially available hollow chamber profiles, says the company, as they must be laid so that water can drain out of the hollow chamber. “This profile gives our customers a major advantage:
financially, and also when handling the profile, as assembly and maintenance are simplified consider- ably,” said Thorsten Weber, WPC senior manager at Reifenhäuser. Reifenhäuser WPC experts will be on hand at Chinaplas to explain the technology. And Reiloy Metall will present its wear-resistant
KraussMaffei Berstorff will exhibit a five-layer pipehead at Chinaplas
extension to the facility. At the event, which takes place across three days (23-25 April), KraussMaffei Berstorff will demonstrate economical PE pipe production (for the diameters up to 630mm) on a complete extrusion line. The pipehead used here is equipped with IPC technology which ensures efficient production thanks to an additional interior cooling system.
Extrusion concepts Reifenhäuser will showcase a range of technologies encompassing wood plastic composites, screws and barrels and futuristic extrusion concepts. “In recent months, we have developed unique selling
propositions across all business units,” said Ulrich Reifenhäuser, managing director of Reifenhäuser Group. “These developments deliver real added-value to customers and go beyond mere product improvements.” Reifenhäuser Extrusion Technology will show an
extruder study for the future that combines state-of- the-art design with innovative features. Some of these features, such as the new Energizer Screw – which can boost productivity by 20% – are already available. Others, such as the use of thermoelectric generators for energy recovery, are a vision of what extrusion may be like in the future. It will also exhibit its wood plastic composite (WPC) decking profile, called Reiwood. The system consists of new profile and die-head designs and can cut produc- tion costs in half, says Reifenhäuser. The cost reduction comes mainly from the design of
the profile, which uses around 20% less material. A new die head for the Bitrudex extrusion line also allows significantly higher production speeds. The Reiwood profile combines the advantages of hollow chamber and full profile. According to Reifen-
38 PIPE & PROFILE EXTRUSION | March/April 2014
screws and barrels for extrusion and injection mould- ing. These are made in Germany and available in lengths up to 9m. Proprietary alloys and production methods ensure high quality. Reiloy components are used in all Reifenhäuser systems. The company’s Suzhou-based Chinese subsidiary,
Reifenhäuser Plastic Machinery, will also be present at the exhibition. Its responsibilities were expanded last year: in addition to service, it also takes charge of sales in China. A German engineer will join the team in April 2014, head of sales and service, to further strengthen the subsidiary. Ralf Pampus, managing director of Reifenhäuser China, said: “We see great potential for growth in Asia, and particularly in China. Strengthening the team in our Chinese branch was a logical step that has already paid for itself.”
Recycling innovation Erema will show its new core recycling technology, Intarema. It is based on the company’s patented counter current technology, which Erema says combines flexibility and higher productivity with lower energy consumption. Inside a cutter/compactor, the rotation of the rotor disc that is equipped with tools forms a rotating spout so that material circulates the whole time. In the counter current system this spout now moves against the direction of the extruder. As a result, the relative speed of the material in the intake zone – when passing from the cutter/compactor to the extruder – increases to such an extent that the extruder screw acts in the same way as a sharp cutting edge which now cuts the plastic. This helps the extruder to process more material in
a shorter time and is more independent in terms of the pre-compacting level of the material. The inverse tangential configuration of the counter
current system ensures that the extruder screw is filled virtually pressure-free with pre-heated material.
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