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Automotive steering module offering improved safety and advanced functions

SpecialChem / Jun 21, 2006

A steering module is one of the major part of a vehicle. In collaboration with the material producer DuPont Engineering Polymers, the Japanese firm Alps Electric, one of the leaders in the manufacture of automotive steering modules, has developed an innovative steering module integrating numerous functions. As most modules, this new steering module includes a clock spring that transmits the movement of the airbag system, an indicator arm, a wind-screen wiper lever, an ignition key hole, a steering wheel angle sensor and also an electronic box. In fact, such a module is constituted of more than 200 components which are mainly plastic parts made from for instance polyoxymethylene (POM), poly(butylene terephthalate) (PBT) and high-performance polyamide (PA) grades (i.e. Delrin®, Crastin®, Zytel® and Zytel® HTN from DuPont). All the grades have been chosen because of their high heat resistance, high heat deflection temperature properties, high flexural and impact strength as well as their surface appearance, noise-damping properties and chemical resistance.

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