An electric power steering system with a worm gear includes a worm shaft and a worm wheel, wherein an electric motor is associated with the worm shaft, which is connected to the worm shaft in a force-transmitting manner. A bearing element, arranged on the worm shaft at the end of the worm shaft facing away from the electric motor, is received in a guide bush, wherein the guide bush has, on its circumferential side, a passage opening. It is provided a pre-tensioning device comprising a spring-loaded actuator element extending through the passage opening of the guide bush and acting on the worm shaft in the direction of the worm wheel with a defined pre-tensioning force (K), wherein the pre-tensioning device comprises a limiting device which is adapted to limit a pivoting movement that displaces the worm wheel away from the worm shaft. Furthermore, it is proposed a method for the production of steering systems and a test system for performing the method.


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    Title :

    Worm shaft articulation control method for EPS worm gears


    Contributors:

    Publication date :

    2022-04-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F16H Getriebe , GEARING / B62D MOTOR VEHICLES , Motorfahrzeuge



    WORM SHAFT ARTICULATION CONTROL METHOD FOR EPS WORM GEARS

    KIRSCHSTEIN STEFAN / MÜLLER TONI | European Patent Office | 2020

    Free access

    Worm gears

    Walker, H. | Engineering Index Backfile | 1933


    WORM-GEARS AND WORM-GEARED AXLES1

    Calkins, C. H. | SAE Technical Papers | 1926


    Pitting in worm gears

    Walker, H. | Engineering Index Backfile | 1931