Actuator is a kind of swaying mechanism whose power source is the hydraulic pressure oil, which may be widely applied to varied occasions where need swaying mechanisms, such as aircraft, tank, ship, train, etc. An aircraft needed a most advanced actuator which can produce torque up to 28 kg·m with its unit weight, and set strict demands on such indexes as weight, dimension. According to existing plan, an actuator was designed and manufactured, being far inferior to requirement, which adopted a complex gear train composed of 2K-H and 3K planetary reductors. On the basis of analyzing existing dozens of reductors, a new structure that achieves swaying with multi-start ball guide screw driven by reciprocating piston rod of high-pressure oil cylinder was put forward. Having analyzed and compared more than ten new type of plans, a structural model of straight-rotary ball pair was proposed, an ideal plan of identical radius ball-return was found, a new spatial tight ball-return curve was designed, and the optimal design of the advanced actuator was finished. Computer simulation and prototype experiment made clear that each index of the advanced actuator could satisfy the aircraft’s demand.


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    Titel :

    Innovation of the Advanced Actuator


    Beteiligte:


    Erscheinungsdatum :

    2012


    Format / Umfang :

    4 Seiten




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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