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METHOD FOR MANUFACTURING A CENTRAL WING BOX FROM PROFILE SECTIONS PRODUCED USING HIGH-PRESSURE, LOW-TEMPERATURE FORMING, AND A CENTRAL WING BOX OBTAINED FROM IMPLEMENTING THE METHOD
METHOD FOR MANUFACTURING A CENTRAL WING BOX FROM PROFILE SECTIONS PRODUCED USING HIGH-PRESSURE, LOW-TEMPERATURE FORMING, AND A CENTRAL WING BOX OBTAINED FROM IMPLEMENTING THE METHOD
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机译:从由高压,低温成型生产的型材截面制造中央翼盒的方法以及从实施该方法获得的中央翼盒
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摘要
A method for manufacturing an aircraft central wing box from a plurality of U-shaped and C-shaped profile sections made of composite material and from an outer skin of fibrous reinforcements formed on the U-shaped and C-shaped profile sections. The C-shaped and U-shaped profile sections are obtained by a method involving a step of compressing resin-impregnated fibrous reinforcements at a pressure greater than or equal to 7 bar and at a temperature less than or equal to 90° C. This solution makes it possible to optimize the dimensional and geometric accuracy of the profile sections and the surface finish thereof.
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