Importance

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Abstract

The invention relates to a method for the production of a fiber reinforced sandwich component (10) having a honeycomb core (12), the honeycombs of which are closed on both sides. The honeycomb core is closed at least on one side by a cover layer (14) made of fiber material, which is embedded in matrix material. The method comprises the following steps: --Producing a fabric comprising the honeycomb core and at least on one side of the honeycomb core, disposed from the inside to the outside, a curable adhesive layer (20), a barrier layer (16) and a fiber layer (14); --Locking the fabric on a one-sided molding tool (30) in a gastight chamber, which is formed up by a vacuum foil (48) on the one-sided molding tool; --Creating a vacuum in this gastight chamber, --After creating the vacuum, hardening or partial hardening of the adhesive layer between the honeycomb core and barrier layer in this vacuum such that the honeycomb cells (18) are evacuated at least partially before they are closed off by the barrier layer; --After hardening or partially hardening of the adhesive layer, infusion of the fiber layer in a vacuum with a matrix material; and --Hardening of the matrix material in a vacuum.

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First Claim