Method for manufacturing hollow blade

The invention relates to a method for manufacturing a hollow blade (10) for a turbomachine that comprises drilling channels (24) into a blank of the blade, placing inserts into the channels (24), forging the blank, and removing the inserts by chemical dissolution, and is characterized in that the bl...

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Bibliographic Details
Main Authors DUCLOS GUILLAUME, FRANCHET JEAN-MICHEL PATRICK MAURICE, BERTRAND FRANCOISE, MOLINARI OLIVIER MICHAEL
Format Patent
LanguageChinese
English
Published 25.07.2012
Subjects
COMBINED OPERATIONS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
OTHER WORKING OF METAL
PERFORMING OPERATIONS
TRANSPORTING
UNIVERSAL MACHINE TOOLS
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Summary:The invention relates to a method for manufacturing a hollow blade (10) for a turbomachine that comprises drilling channels (24) into a blank of the blade, placing inserts into the channels (24), forging the blank, and removing the inserts by chemical dissolution, and is characterized in that the blade (10) is an aluminum alloy and the inserts are a copper alloy.
Bibliography:Application Number: CN200980109181