PEEK Spindle Nuts Avoid Malfunctioning of Automotive Plastic Pieces During Accident

The BMW Group has approved spindle nuts made from Evonik Industries product VESTAKEEP® polyether ether ketone (PEEK) polymer. The spindle nuts are used in electrical steering column adjustment assemblies. As claimed, the VESTAKEEP® L4000G-based spindle nuts do not break under the severe conditions and thus prevent any plastic pieces from disabling the function of safety-relevant features. With improved ductility, high dimensional stability at different temperatures, chemicals & impact-resistance, VESTAKEEP® PEEK passed the tests by BMW.
VESTAKEEP® spindle nuts are used in the electrical steering column adjustment assemblies that are manufactured by Solingen, Germany-based C. Rob. Hammerstein GmbH & Co. KG. Exceptional material characteristics diversify its future use in mechanical steering column adjustment assemblies, besides automotive and aerospace applications, oil and natural gas sectors, semiconductor, electronics and medical industry and much more.


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