Technical Reports

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Small sensor - great technology

2013-01-09: Gabriele Hopf, Wittmann Battenfeld GmbH

Multi-functional housing components for sensors in automobiles are the automotive segment in which the Austrian family-owned company Promotech, based in Schalchen near Mattighofen, specializes. One example is a combined rain, light and moisture sensor for motor cars (Fig. 1). The top part of its housing...
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Premium ambience for car interior - injection moulding meets craftsmanship

2012-10-30: Gabriele Hopf, Wittmann Battenfeld GmbH

In the pioneering days of automobile engineering, all vehicles had bodies with wooden frames and wooden dashboards, and they were premium products crafted individually and by hand. Today, the motorcar is a mass product made in different quality categories. But the premium-class models are distinguished...
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New glass fibre reinforced polyether TPUs

2012-09-07: J. Hättig, J. Winkler, P. Kläne*, geba Kunststoffcompounds GmbH / Bayer MaterialScience AG

High stiffness, very good impact resistance and flexibility even at low temperatures - these are the strengths of new glass fibre reinforced polyetherdiol based thermoplastic polyurethanes (TPUs). Bayer MaterialScience AG and geba Kunststoffcompounds GmbH developed the new TPU materials and they complement...
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Johannes Kepler University, Linz/Austria: IPMT Uses Three Instron Electrodynamic Testing Systems to Analyse Failure Properties of Polymers

2012-05-29: Erik Schmidt-Staubach, Instron Deutschland GmbH

Undergraduate and post-graduate students at the Institute of Polymeric Materials and Testing (ipmt) at Johannes Kepler University (JKU) in Linz in Austria can rely on three Instron electrodynamic testing systems to help them analyse the failure behaviour of polymers. Two general-purpose ElectroPuls...
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Moulded carrier and hollow elastomer seal in a one shot process

2011-10-10: Matteo Piazzi, Röchling Automotive AG & Co. KG

Röchling Automotive produces cowl grille and engine cover bulb seals in a one shot process. These parts are ready out of the tool for shipment to the customer. The two-component process saves about 30% weight and 10% costs as well as solving many quality problems typical for assembled parts. A world first.
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Intake manifolds with integrated charge air coolers increase engine responsiveness

2010-07-23: Marco Barbolini, Röchling Automotive AG & Co. KG

Intake manifolds with integrated charge air coolers increase engine responsiveness, because air volume is reduced by over 40 percent. Further the integration cuts over 20 percent parts, weight and costs. Failure probability is shrinking also. Tightness, even air distribution, temperature and bursting...
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Fuel cell cars also cook only with water

2010-06-15: Matteo Piazzi, Röchling Automotive AG & Co. KG

Röchling Automotive supplies from its South Tirol plant fuel cell cars all over the world with expansion containers. Here the separation of gases and fluids as well as the management of bursting pressure require new measurements. Other specification criteria are met with state of the art container construction....
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Light Weight Construction on Solid Soil

2009-06-26: Dr. Klaus Pfaffelhuber, Röchling Automotive AG & Co. KG

With 5 kg for the complete underbody of a luxury saloon Röchling Automotive sets the current benchmark. The structural material “Seeberlite” is applied based on a new process, called “Softlofting”.
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From really large to really small

2009-05-08: Jörg Töpfer, WEIMA Maschinenbau GmbH

Graf Plastics GmbH produces large volume Carat brand underground tanks for rainwater collection (photo 2) at its Teningen location (photo 1). Surplus production material arises during production of the up to 6,500 litres large containers and this is shredded in a single step into ground material with...
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The Gneuss Online Viscometer

2009-01-26: Dr. Axel Hannemann, Gneuß Kunststofftechnik GmbH

Food-grade bottle-to-bottle recycling process successfully undergoing tests in practical operation

2008-01-21: Dr. Thomas Friedlaender, KRONES AG

Two-stage granulation with the CentriCut granulator

2007-05-09: Dipl.-Ing. Gunter Schippers, NUGA AG Kunststoffschneidmühlen, Balgach/Schwitzerland

Morein Plastics GmbH (www.morein.nl), a plastics recycler founded around 20 years ago, has recently moved its production from Denekamp in The Netherlands to Nordhorn in the German state of Lower Saxony. The move was necessary because the old production location had become to small due to strong expansion....
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European legislation on the way - New opportunities for recycling

2005-11-15: Hetty Jongbloed, Jan Jetten and Rinus Rijk, TNO, Business Center Chemistry

The use of recycled plastics for food contact applications has been restricted in Europe by the lack of relevant legislation. However, this will change in the near future. Imminent legislation will officially open up the market to the use of recycled plastics for food contact.
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Roadshow Takes Compounding Technology into the Field

2005-08-18: Daniel Nagl, Coperion Werner & Pfleiderer GmbH & Co. KG

A fully operable, mobile compounding line facilitates practical demonstrations of typical process functions. The "Roadshow" atmosphere appeals to audiences and generates much interest, whether at training events or during trials at the customer's site.
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Recostar iV+: PET-Recycling for reuse with food-contact

2005-06-10: Ing. Elfriede Hell, MBA, Starlinger & Co. Ges.m.b.H.

In anticipation of the ever-increasing use of PET, the Austrian company Starlinger & Co. Ges.m.b.H. has developed the new concept Recostar PET iV+. PET waste, both washed post-consumer bottle flakes and pre-form or bottle flakes from in-house or post-industrial sources, is transformed into amorphous...
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Texplast - new granulating technology makes PET recycling more efficient

2004-10-08: Dipl.-Ing. Gunter Schippers, NUGA AG Kunststoffschneidmühlen, Balgach/Schweiz

Texplast GmbH (Wolfen, Germany), one of Europe's leading PET recycling firms, processes used PET one-way and multi-trip bottles, preforms and the waste material from bottle manufacturing operations. The ground material, in regranulated or agglomerated form, is re-used to make, e.g. PET sheets, preforms...
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Size Reduction of Technical Plastics– Two-Stage Operations more Efficient than Single-Stage

2004-06-23: Hans-Peter Fischer, WEIMA Maschinenbau GmbH

At HKR Kunststoffe GmbH in Langenbeutingen, technical plastics such as ABS, PBT, PC, POM, but primarily PA 6, PA 6.6, PA 12, PPA, LCP, etc. - particularly glass fibre reinforced types - are processed into high-grade regranulate. These materials accumulate as production waste in the plastics processing...
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The HERBOLD Plastcompactor - State of the art and outlook

2004-05-13: Karlheinz Herbold, Herbold Meckesheim GmbH

The HERBOLD Plastcompactor is a system, which has been developed originally, to convert scrap with poor flow characteristics (film, fibres, foam, powder) to agglomerated particles with high bulk density. Beside of this job, more application fields are now available and described in this article.
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The CreaSolv®-Process -
Technical break-through in Plastic Recycling from Electro Waste

2004-04-26: Dr. Andreas Mäurer, Fraunhofer-Institut für Verfahrenstechnik und Verpackung IVV

Every year approximately 2 million tes of electronic waste are collected in Germany. This quantity corresponds to a fully loaded train with a length of 2,000 km. One fifth of this waste is made up of plastics. These plastics cannot be re-used, because they appear as "mixed waste", contaminated with...
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Sorting PET Flakes

2004-03-31: Dipl.-Ing.(FH) Eckhard Zeiger, Mogensen GmbH & Co. KG

As the result of a substantial increase in the market share of PET bottles and the change in the waste streams for one-way packaging caused by the introduction of a compulsory deposit system in Germany, the quantity and composition of mixed and pre-sorted PET for recycling will change considerably....
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Processing waste with a high thermal value to substitute combustibles

2003-12-01: Harald Hoffmann, WEIMA Maschinenbau GmbH

With the taking effect of the TASi (Technical Regulations on Estate Waste) in 2005, non-treated waste must no longer be disposed of and deposited. Commercial and industrial residues with a high thermal value such as rejects from paper industry, punchings from rubber and plastics, and other mono-fractions...
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Size-reduction of thermoplastics reinforced by long and continuous filaments

2003-09-29: Hans-Peter Fischer, WEIMA Maschinenbau GmbH

Material utilisation of thermoplastics reinforced by long and continuous filaments to produce high-value, long-filament reinforced extrusion components requires a gentle size-reduction of the materials to be utilised into lumps of grinding stock in order to achieve a large as possible filament length....
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Economical: Two-Stage Grinding of Valuable Plastic Waste

2003-08-19: Hans-Peter Fischer, WEIMA Maschinenbau GmbH

Until now large cutting mills with high drive performances have been used for the single-stage crushing of large and heavy pipes, bulk plastic products etc. This leads to high investment volume, high sound emissions, frequent blade changes, high energy and personnel costs, among other things. On the...
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