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METHOD FOR PROFILING A REPLACEMENT BLADE AS A REPLACEMENT PART FOR AN OLD BLADE FOR AN AXIAL TURBOMACHINE
METHOD FOR PROFILING A REPLACEMENT BLADE AS A REPLACEMENT PART FOR AN OLD BLADE FOR AN AXIAL TURBOMACHINE
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机译:用于制造作为轴向涡轮机的旧刀片的替换零件的替换刀片的方法
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摘要
The method involves measuring a mounting-side section (5) and a housing contour geometry (6) of a flow channel of an old blade (11). An aerofoil section of a replacement blade (1) is axially displaced and arranged outside a region (21) in an upstream direction until the axial position of center of gravity of a blade aerofoil (2) of the replacement blade coincides with the old blade. A leading edge (7) is inclined downstream toward the mounting-side section such that the blade aerofoil has a transition sweep (19) in the region. An independent claim is also included for a gas turbine comprising a rotor blade.
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