The present invention relates to a manufacturing method of worm wheel bosses for a steering unit and, more specifically, to a method for manufacturing worm wheels forming a steering unit. The method comprises the steps of: preparing a billet or pipe components which are materials to manufacture a wheel boss which is the core of the worm wheel; firstly processing the external circumference roughly and the internal circumference of the wheel boss at the same time by inputting the prepared billet or pipe components into a drawer; secondly processing the outer circumference by re-drawing after the first processing process is completed; and polishing the surface to form the surface of tooth on the outer circumference of the wheel boss by final drawing after the secondary processing is completed.

    본 발명은 조향장치용 웜 휠 보스 제조방법에 관한 것으로, 조향장치를 구성하는 웜과 웜 휠에서, 상기 웜 휠을 제조하는 방법에 있어서; 웜 휠의 코어인 휠보스를 제조하기 위해 재료인 빌렛이나 파이프 조관품을 준비하는 단계; 준비된 빌렛 또는 파이프 조관품을 인발기에 투입하여 휠보스의 내경을 성형함과 동시에 외경을 거칠게 형상 성형하는 1차 가공단계; 1차 가공이 완료되면 재인발하여 외경을 한번 더 가공하는 2차 가공단계; 2차 가공이 완료되면 최종 인발하여 휠보스의 외주면에 규정된 치면을 형성하는 사상 가공단계;를 포함하여 구성되는 것을 특징으로 하는 조향장치용 웜 휠 보스 제조방법을 제공한다.


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    Titel :

    WORM WHEEL BOSS MAKING METHOD FOR STEERING UNIT


    Weitere Titelangaben:

    조향장치용 웜 휠 보스 제조방법


    Beteiligte:
    PARK TAE SEOB (Autor:in)

    Erscheinungsdatum :

    2016-11-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING , Herstellen von Blechen, Metalldraht, -stangen, -rohren Metallprofilen oder Halbzeugen auf andere Weise als durch Walzen



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