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METHOD FOR EXTRACTING A FOREIGN BODY NESTED IN A BLADE OF HIGH PRESSURE DISPENSER

机译:高压分配器叶片中嵌套的外部物体的提取方法

摘要

The invention relates to a method for extracting at least one foreign body nested within a blade (110) of a high pressure distributor (100) of a turbojet engine, said high pressure distributor comprising blades (110). hollow and fixed between two annular ferrules forming a gas circulation stream, each blade being coated with a thermal barrier and pierced with at least one cavity at least partially obstructed by a first brazed closure plate (140), comprising the following operations: - cutting (310) of the first closure plate, - extraction (320) of the foreign body from the cavity, - endoscopic control (330) of an interior space of the cavity so as to verify that no body stranger remains, - positioning (340) of a second closure plate on the cavity, and - brazing (350) of the second closure plate directly on the distributor with the blades coated with the thermal barrier.
机译:本发明涉及一种用于提取嵌套在涡轮喷气发动机的高压分配器(100)的叶片(110)内的至少一个异物的方法,所述高压分配器包括叶片(110)。空心并固定在形成气体循环流的两个环形套圈之间,每个叶片上都涂有隔热层,并穿有至少一个至少部分被第一铜焊封板(140)阻塞的空腔,该穿孔包括以下操作:-切割310),-从腔中抽出异物(320),-腔的内部空间的内窥镜控制(330),以验证是否没有遗体,-定位(340)在空腔上的第二封闭板,以及-第二叶片的铜焊直接在分配器上,刀片被热障覆盖(350)。

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