show review | 2016 KraussMaffei targets flexibility in PX
The big introduction from KraussMaffei at the show was its new PX line of all-electric machines, five of which were running in sizes from 50 to 200 tonnes. Flexibility and performance
are the main claims for the new models. The company says the PX machines offer the level of customisation that moulders have come to expect in the hydraulic machine sector. “Until now, customers have
most often been forced to decide between low-budget and high-end designs. KraussMaffei is now present- ing the first all-electric machines on the market that the customer may tailor to its specific manufacturing needs,” said Dr Hans Ulrich Golz,
EU approval for Perstorp’s Akestra
Perstorp announced that its Akestra polyester has gained EU food contact approval. Akestra Product Manager David Engberg said the resin is targeted at similar applications as Eastman’s Tritan copolyes- ter but is not an equivalent; key differences include higher rigidity and gloss. Engberg said the
company will now ramp up its marketing. “We are not under the impression that we will sell thousands of tonnes overnight but we are in contact with a number of users,” he said. ❙
www.perstorp.com
56 KraussMaffei claims the PX all-electric machine offers unmatched levels of customisation
President of the Injection Moulding Machinery segment at KraussMaffei Group. Each PX clamp can be
combined with five injection units, and each of those can be fitted with up to four different screw sizes. In addition, users can select platens dimensioned for the next largest clamp to accommodate bulky moulds.
All PX machines use air
cooled servo-motor drives with energy recovery on the clamp and for plasticising screw rotation and injection. Servo-hydraulics are used for nozzle contact and ejector activation on the basic versions; an all-electric ejector option is also available, as is a special high ejector
force version. All PX machines come with the company’s APC Plus function, which monitors material related data to adjust the process to maintain peak process reliability. The versatility of the PX design was demonstrated at the show in the variety of example applications. The company showed a PX-50 producing LSR microparts on a 32-cavity mould, a PX-80 moulding a connector block, a PX-120 with sprue picker in medical specification moulding a ‘Y’ infusion connector, a PX-160 producing flip-top closures, and a PX-200 moulding a housing using the Roctool heat-cool mould temperature control system. ❙
www.kraussmaffei.com
Composite showing by Lanxess
Composite technology – both continuous fibre reinforced thermoplastic hybrids and short glass fibre reinforced compounds – featured heavily in the Lanxess display with two transportation applications standing out: an award winning brake pedal for the Porsche Panamera and a new air filter support for Daimler trucks. Developed by BOGE
Elastmetall and used on the Panamera and the Bentley Continental cars, the brake pedal was a winner of the Body Interior category in the SPE Automotive Awards. Com- prised of a Tepex multi-axial continuous fibre reinforced thermoplastic composite sheet overmoulded with Durethan BKV 60 H2.0 60% glass
INJECTION WORLD | November/December 2016
reinforced PA6, the part weighs half that of a steel counterpart. The pedal is manufac-
tured using a one shot hybrid moulding process that integrates the shaping of the Tepex insert. “Thanks to the injection moulding process, numerous functions such as guides and contact surfaces for the pedal bracket can be integrated into the component, which cuts costs. The component is also reinforced with ribs in areas subjected to high stress,” said Ulrich Jecmeniza, an expert in lightweight construction with Lanxess subsidiary Bond- Laminates, manufacturer of the Tepex sheet. The company also showed
A hybrid thermoplastic composite brake pedal produced for Porsche using Lanxess materials.
a new air filter carrier developed by BBP Kunstst- offwerk Marbach Baier GmbH for Daimler Trucks and injection moulded in 50% glass reinforced Durethan AKV 50 H2.0 PA66. The parts, which have to support a load of 7.9kg, weigh half as much as the previous metal alternatives at just 2.9kg and required the use of a complex tool with conformal cooling technology. ❙
www.lanxess.com
www.injectionworld.com
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