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    • 4. 发明公开
    • VARIABLE BLADE MANUFACTURING METHOD AND VARIABLE BLADE IN VGS TYPE TURBO CHARGER
    • VERFAHREN ZUR HERSTELLUNG VERSTELLBARER LEITSCHAUFELN在TURBOLADER MIT VARIABLER GEOMETRIE
    • EP1422399A1
    • 2004-05-26
    • EP02755805.5
    • 2002-08-02
    • Akita Fine Blanking Co., Ltd.
    • OHISHI, Shinjiroh
    • F02B37/12F02B39/00B21K3/04B21H7/16
    • F01D17/165B21H7/16B21K3/04B23P15/02F02B37/24F02C6/12F05D2220/40F05D2230/26F05D2240/12Y02T10/144Y10T29/49316Y10T29/49336Y10T29/49337Y10T29/49995
    • A novel manufacturing method is provided which can actually achieve mass production of an adjustable blade and a VGS turbocharger having the adjustable blades incorporating therein, wherein a shaft portion is processed to have an aimed at diametrical thickness by rolling in place of cutting so that a cutting operation requiring much time may be eliminated as much as possible from a manufacturing process of the adjustable blade, and wherein a shaft elongation and a sharp edge caused by the rolling can be extremely inhibited to thereby eliminate an additional cutting operation conventionally performed for correcting the shaft elongation and the sharp edge. The present invention is characterized in that a metal shaped material as a starting form for an adjustable blade (1) integrally provided with a blade portion (11) and a shaft portion (12) is formed to have a near net shape having a shape and a size made close to those of the aimed at adjustable blade (1), and in forming the shaft portion (12), a shaft portion forming section of the shaped material is rolled to have a desired diametrical thickness.
    • 提供了一种新颖的制造方法,其实际上可以实现大量生产可调节叶片和具有并入其中的可调节叶片的VGS涡轮增压器,其中轴部分通过轧制代替切割而被加工成具有目标直径的厚度,从而切割 可以从可调节叶片的制造过程中尽可能多地消除需要大量时间的操作,并且可以极大地抑制由轧制引起的轴伸长率和锋利边缘,从而消除常规执行的用于校正轴的另外的切割操作 伸长和锋利的边缘。 本发明的特征在于,作为一体设置有叶片部分(11)和轴部分(12)的可调叶片(1)的起始形式的金属材料形成为具有近净形状,具有形状和 接近于可调叶片(1)的尺寸的尺寸,并且在形成轴部分(12)时,成形材料的轴部形成部分被卷起以具有期望的直径厚度。
    • 5. 发明公开
    • VERFAHREN ZUM HERSTELLEN EINES KONTURIERTEN RINGWALZPRODUKTES
    • EP3328572A1
    • 2018-06-06
    • EP15750009.1
    • 2015-07-31
    • Otto Fuchs - Kommanditgesellschaft -
    • WITULSKI, ThomasIHNE, JörgTESCHNER, StefanMÜLLER, Christof
    • B21H1/06B21C51/00
    • B21H1/06B21B38/00B21C51/00B23P15/006F01D5/02F05D2230/26F05D2240/24F05D2300/17
    • Method for reproducibly producing a contoured ring rolling product for a rotating application, with a ring rolling machine controlled in a process-monitored manner, in particular from a metal ring blank of such a nature that it is susceptible to cracking. This method comprises the steps of defining at least one process window, extending over the rolling time, in relation to preselected process parameters for a specific ring rolling product that is to be brought into its final form by this ring rolling machine on the basis of calibrating specimens that have been brought into their final form by this ring rolling machine, wherein the process window or windows of process parameters monitored when carrying out the process is/are determined by the process parameters of those calibrating specimens of which the rolled product meets the requirements demanded of the ring rolling product to be produced, wherein the preselected process parameters comprise at least two of the following process parameters: ring growing rate, axial rolling force, radial rolling force, rolling time, temperature of the ring blank during the rolling process, and subsequently ring rolling ring blanks in a contoured manner to producethe ring rolling products, wherein the rolling parameters of the rolled blank at the time are recorded with reference to the at least two selected process parameters and evaluated to ascertain whether these process parameters lie within the predefined process window, and only those ring rolling products that have been ring-rolled with process parameters that lie within the process window are passed on for further machining and/or processing.
    • 10. 发明公开
    • Method of manufacturing a duct for a gas turbine engine
    • Verfahren zur Herstellung eines Blechkanalsfüreine Gasturbine
    • EP1712742A2
    • 2006-10-18
    • EP06251983.0
    • 2006-04-08
    • Rolls-Royce plc
    • Green, RichardFrost, PeterAnnear, Michael
    • F01D9/02F02K1/00
    • F02K9/80F01D9/023F01D25/24F02K9/84F02K9/86F05D2230/26F05D2230/40F05D2300/133F05D2300/5021Y10T29/4932Y10T29/4933Y10T29/49616Y10T29/49799Y10T29/49865Y10T29/49968
    • The present invention provided a method of manufacturing a duct for a gas turbine engine or the like from sheet metal material; the method comprising the steps of: fabricating a duct from sheet material (10,12,14) including rolling or folding metal sheet along ruled lines to form a ruled surface geometry approximately corresponding to at least part of a desired irregular final duct geometry; welding corresponding rolled or folded parts of the duct skin together and positioning the duct on a heat treatment fixture (30) having a shape corresponding to the said desired irregular duct geometry; the material of the heat treatment fixture having a greater thermal expansion coefficient than the duct material; heating the duct and fixture substantially to a stress relieving temperature of the duct material such that differential thermal expansion of the duct and fixture at the said stress relieving temperature causes the duct to distort and adopt the shape of the exterior surface of the fixture on which the duct is located.
    • 本发明提供了一种从金属板材料制造燃气轮机发动机等的管道的方法; 该方法包括以下步骤:从片材(10,12,14)制造管道,包括沿着格线滚动或折叠金属片,以形成大致对应于期望的不规则最终导管几何形状的至少一部分的刻线表面几何形状; 将管道皮肤的相应的轧制或折叠部分焊接在一起并将管道定位在具有对应于所述期望的不规则管道几何形状的形状的热处理夹具(30)上; 所述热处理夹具的材料具有比所述导管材料更大的热膨胀系数; 将管道和夹具基本上加热到管道材料的应力消除温度,使得管道和固定装置在所述应力消除温度下的不同热膨胀导致管道变形并采用固定装置的外表面的形状, 管道位于。