SGL, Koller producing composite windshield for BMW



SGL Carbon and Koller Kunststofftechnik are collectively producing composite windshield for BMW Group. Alternative of the steel-based windshield with composite element will result in vital weight discount of the car. The profiles can be compiled by SGL Carbon at its website in Innkreis, Austria, and processed by the injection molding specialists at Koller.

In August, SGL Carbon bought a multi-year order from Koller Kunststofftechnik for producing novel carbon fibre profiles for serial use in windshields for a high-volume mannequin of BMW Group. The profiles are significantly versatile fibre tows, pre-impregnated with thermoplastic resin in numerous dimensions. They are going to be compiled by SGL Carbon on the premise of its personal 50okay carbon fibre at its website in Innkreis, Austria, and subsequently processed by the injection molding specialists at Koller to type a skeletal plastic element.

The composite element will substitute the earlier steel-based windshield. Manufacturing of the carbon fibre profiles will begin within the the rest of 2020 and can then be ramped up steadily over the subsequent few years for the BMW Group mannequin launch.

Within the car, the windshield is a connecting factor between the roof frames and thus has an essential stabilising perform. The carbon fibre profiles add the required stiffness and crash security to the element. On the similar time, they assist to considerably scale back the load of the roof and thus additionally help the driving dynamics. The injection molding course of additionally allows significantly advanced and material-efficient constructions.

Within the BMW Group mannequin, this progressive element idea will lower weight by 40 per cent in comparison with standard metal designs of the element whereas creating essential house for cable ducts and sensors.

The manufacturing of the carbon fibre profiles themselves can be significantly geared to materials and course of effectivity in large-scale manufacturing. The profiles include a number of smaller fibre strands, the so-called rods, and are manufactured utilizing the trendy steady pultrusion course of. Throughout product and course of growth it was one key goal to make sure that materials loss throughout manufacturing is nearly utterly prevented.

“At SGL Carbon, we have now been engaged on the event of thermoplastic carbon fibre profiles to be used in injection molding for a while already. This growth work is now starting to repay. Because of the many benefits and aggressive prices, we see an incredible potential for the know-how for use in different automotive initiatives too,” defined Sebastian Grasser, head of the Automotive Phase within the Enterprise Unit Composites – Fibres and Supplies at SGL Carbon.

“Modern light-weight development with hybrid designs has developed right into a strategically conclusive idea for Koller Group’s OEM prospects,” confirmed Max Koller, CEO of Koller Group. “SGL Carbon’s excessive stage of fabric experience, mixed with the method know-how of Koller Kunststofftechnik and Koller Formenbau, create the premise for a promising future in progressive light-weight development applied sciences. With this order, the BMW Group has confirmed its confidence within the profitable cooperation between SGL and Koller; we’re significantly happy about this”, stated Koller.

The Koller Group is a globally working know-how firm with crops in Europe and China, in addition to NAFTA. The Koller Group develops and manufactures light-weight development, instruments and serial parts, primarily for the automotive business.

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SGL Carbon and Koller Kunststofftechnik are collectively producing composite windshield for BMW Group. Alternative of the steel-based windshield with composite element will result in vital weight discount of the car. The profiles can be compiled by SGL Carbon at its website in Innkreis, Austria, and processed by the injection molding specialists at Koller.





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