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The exterior door handle made of Grivory GVX and Grilon BG.
The exterior door handle made of Grivory GVX and Grilon BG.

The polymer manufacturer EMS-GRIVORY develops high-performance plastics for innovative components in the automotive industry. At the 18th SPE Award Night of the "Society of Plastics Engineers", three innovative applications made of EMS polymers were granted SPE Automotive Awards.

The exterior door handle made of Grivory GVX and Grilon BG took third place in the category "Body Exterior", while the universal turbo-actuator made of Grivory GTV was awarded first prize in the category "Electronical/Optical Parts".

The highlights were the back support and seat shells of the sport seat made of Grivory GVL. The intelligent and extremely innovative use of plastics in this highly complex application completely convinced the jury members and the part received not only the "Innovation Award" in the "Body Interior" category, but also the "Grand Innovation Award" for excellent innovation in all categories.

Exterior door handle

An exterior door handle made by the ITW Company using Grivory GVX and Grilon BG was nominated in the category "Body Exterior". This so-called "Flush Handle" is used for the Jaguar I-Pace and the Land Rover Velar models and is raised electrically from a standard position flush with the bodywork, to allow it to be used to open the door.

Reliably functioning under varying climatic conditions in a temperature range from -40 °C to +80°C was the central requirement on this challenging handle mechanism.

A special kind of glass-fiber reinforcement provides Grivory GVX with high dimensional stability and extremely low warpage – both prerequisites for functioning of the tolerance-critical components. The complex interior systems and electronics of the handle are reliably protected by the housing made of Grilon BG.

Universal turbo-actuator

The universal turbo-actuator made of Grivory HTV.The second component was a universal turbo actuator made by the Hella Compa-ny using Grivory HTV. This completely all-plastic solution illustrates development of the second generation of turbo-actuators for control of variable turbine geometries and allowing weight and assembly costs to be saved compared to the first generation.

With a high distortion temperature of 280 °C (HDT/A), Grivory HTV provides the basis for the required high stiffness and strength values. The robust polymer component even makes a 35 °C higher working temperature and transfer of even higher torque values possible, allowing higher working temperatures of the engine and higher charging pressure to be achieved.

The two shells of the actuator are laser-welded - a special colour adjustment was developed to make this possible. In visible light the colour appears black, in the relevant wave range of 700 – 1100 nm during laser welding however, it is transparent.

Sport seat

The back support and seat shells of the sport seat made of Grivory GVL.The sport seats in the new Opel Insignia GSI model were the third application using EMS material.

Together with the Lear Corporation and the automotive manufacturer OPEL, based in Rüsselsheim, Germany, EMS-GRIVORY developed the back support and seat shell for a sports seat made of Grivory GVL HP.

The special long-glass fiber reinforcement of the material forms a fiber skeleton during the injection-moulding process, thus significantly increasing the notched impact strength values and allowing clearly higher energy absorption in the case of a crash. Compared to a similar metal version, a massive weight saving of 2kg was achieved.

With comprehensive CAE calculations and technical support during processing, EMS-GRIVORY made realisation of this very challenging application possible.

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