processo de fabricação de uma pá oca para turbomáquina e turbomáquina tal como um turbopropulsor ou turborreator de avião

• Main Authors: JEAN-MICHEL PATRICK MAURICE FRANCHET, FRANÇOISE BERTRAND, GUILLAUME DUCLOS, OLIVIER MICHAËL MOLINARI
• Format: Patent
• Language: Portuguese
• Published: 15.09.2015
• Subjects: AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL; BLASTING; COMBINED OPERATIONS; ENGINE PLANTS IN GENERAL; FORGE FURNACES; FORGING; HAMMERING; HEATING; LIGHTING; MACHINE TOOLS; MACHINES OR ENGINES IN GENERAL; MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES,RIVETS, BOLTS OR WHEELS; MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS,WHEELS, RINGS, BARRELS, BALLS; MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING; MECHANICAL ENGINEERING; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; METAL-WORKING NOT OTHERWISE PROVIDED FOR; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; OTHER WORKING OF METAL; PERFORMING OPERATIONS; PRESSING METAL; PUNCHING METAL; RIVETING; STEAM ENGINES; TRANSPORTING; UNIVERSAL MACHINE TOOLS; WEAPONS

A method for manufacturing a hollow blade for a turbomachine including drilling channels into a blank of the blade, placing inserts into the channels, forging the blank, and removing the inserts by chemical dissolution, and the blade is an aluminum alloy and the inserts are a copper alloy.