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    • 47. 发明公开
    • A method of manufacturing an article
    • Verfahren zur Herstellung eines Gegenstandes
    • EP1260300A2
    • 2002-11-27
    • EP02253208.9
    • 2002-05-08
    • ROLLS-ROYCE plc
    • Milburn, Richard Gordon
    • B23K9/04B21D26/02B21D53/04B23K20/02
    • B23P15/04B23K9/044B23K20/02B23K2201/001Y10T29/49336Y10T29/49339Y10T29/49805
    • A gas turbine engine (10) fan outlet guide vane (34) is manufactured by diffusion bonding titanium alloy sheet metal workpieces (52,54) together to form an in integral structure (66). A titanium alloy is weld deposited at predetermined positions (70,72) and in a predetermined shape to build up bosses (42,44) at the radially outer end (40) of the hollow integral structure (68). The integral structure (66) is inflated at high temperature to form a hollow integral structure (68) of predetermined aerofoil shape. Apertures (46,48) are drilled through the bosses (42,44) to enable the radially outer end (40) of the fan outlet guide vane (34) to be attached to a fan casing (32) of the gas turbine engine (10).
    • 燃气涡轮发动机(10)风扇出口导叶(34)通过将钛合金板金属工件(52,54)扩散接合在一起以形成整体结构(66)而制造。 在预定位置(70,72)和预定形状上焊接钛合金,以在中空整体结构(68)的径向外端(40)处形成凸起(42,44)。 整体结构(66)在高温下被充气以形成具有预定机翼形状的中空整体结构(68)。 通过凸台(42,44)钻出孔径(46,48),以使风扇出口导叶(34)的径向外端(40)能够附接到燃气涡轮发动机的风扇壳体(32) 10)。