Process for preparing rhomboidal blades for axial turbo engines
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United States of America Patent
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Jun 28, 2005
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app pub date -
Jul 15, 2003
filing date -
Jul 20, 2000
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Abstract
A rhomboidal blade includes a blade footing (2) of rhomboidal cross section and a blade body (1) for axial turbo engines is worked out from a solid blank (3) by machining. The blank (3) is cut off as a bar from a hot-rolled, bar-shaped input stock, whose cross section has the shape of a rhomboid which is adapted to the shape of the cross section of the rhomboidal blade footing (2). The blank is larger on all size than the maximum cross section of the blade by only the minimum oversize (5) for machining.
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