It is described a method for reconditioning a damaged thread (8) of a transmission (1) of a hover-capable aircraft; the damaged thread (8) being arranged inside a first hole (23a) of the transmission (1); wherein the method includes the following steps:i) centering a tool (20) on the first hole (23a);ii) inserting a first tool (25) inside the tool (20) centred on the first hole (23a) and removing the damaged thread (8) through the first tool (25);iii) inserting a second tool (26) inside the tool (20) and creating a new thread (16) inside the first hole (23a) having a diameter larger than the one of the damaged thread (8) ;iv) screwing an insert (61) having a thread inside the new thread (16), so that the insert (61) engages the first hole (23a) and defines a reconditioned thread (8'); andv) keeping the transmission (1) mounted on the hover-capable aircraft during steps i), ii), iii), iv).


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    Title :

    METHOD AND TOOL FOR RECONDITIONING A DAMAGED THREAD


    Additional title:

    VERFAHREN UND WERKZEUG ZUR WIEDERAUFBEREITUNG EINES BESCHÄDIGTEN GEWINDES
    PROCÉDÉ ET OUTIL DE RECONDITIONNEMENT D'UN FILETAGE ENDOMMAGÉ


    Contributors:

    Publication date :

    2020-12-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B23P Sonstige Metallbearbeitung , OTHER WORKING OF METAL / B23B Drehen , TURNING / B23G Gewindeschneiden , THREAD CUTTING / B64C AEROPLANES , Flugzeuge / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen



    METHOD AND TOOL FOR RECONDITIONING A DAMAGED THREAD

    COLOMBO DARIO / REGONINI ROBERTO / FIORIO SERGIO | European Patent Office | 2021

    Free access

    METHOD AND TOOL FOR RECONDITIONING A DAMAGED THREAD

    COLOMBO DARIO / REGONINI ROBERTO / FIORIO SERGIO | European Patent Office | 2020

    Free access

    Method and tool for reconditioning a damaged thread

    COLOMBO DARIO / REGONINI ROBERTO / FIORIO SERGIO | European Patent Office | 2022

    Free access