Process and system for manufacturing composite material products, as well as products manufactured with this process or system
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A composite material and process technology, applied in the field of shell and roof production technology, can solve the problems of limited service life of molds, achieve the effects of reducing equipment costs, reducing the number of molds, and ensuring repeatability
Active Publication Date: 2013-09-25
AUTOMOBILI LAMBORGHINI
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Their production process is also characterized by a clear separation between production and assembly, the limited useful life of used molds, and the use of a large number of molds during the production cycle of mold use for a single workpiece made
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[0040] see figure 1, as can be seen from the figure, in the first step of the process, one or more first inserts 1, 2 are arranged in one or more auxiliary molds 3, 4 and are connected to at least one functional surface of these molds touch. The first insert 1, 2 is preferably made of metal composite material, especially a composite material of aluminum or light alloy and carbon fiber, or a combination of these materials, between two or more fiber linings in a preparatory step , for metal insert molding, the auxiliary molds 3 and 4 are preferably made of composite materials, especially carbon fiber. The auxiliary molds 3 and / or 4 are preferably equipped with a protruding body 5 and / or a base 6 to keep the first inserts 1, 2 in a designated position. For this purpose, the shape of the first inserts 1 , 2 is adapted to the above-mentioned convex body 5 and / or base 6 . Typically, the protruding body 5 is a pin, which is inserted into the corresponding hole of the first insert ...
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Abstract
Process for manufacturing composite material products (44, 48, 52), which process comprises at least the following operating steps: - moulding at least one main component (18) made of a composite material and one or more secondary components (19, 20, 21, 22) made of a composite material by means of one or more main moulds (11, 13) and one or more secondary moulds (23, 24, 25, 26), respectively; arranging one or more intermediate substrates (41) of fibers, in particular carbon fibers, pre-impregnated with a resin, between said main component (18) and / or said secondary components (19, 20, 21, 22) in a moulding assembly (40) comprising at least one main mould (11; 31) and / or one or more secondary moulds (23, 24, 25, 26; 35, 36, 37, 38, 39); curing the resin of said intermediate substrates (41) in the moulding assembly (40), so that the main component (18) and the secondary components (19, 20, 21, 22) are joined to each other through the intermediate substrates (41). The present invention also relates to a system which can be used in such process, as well as the products manufactured with this process and / or system.
Description
technical field [0001] The invention relates to a production process of a composite material product, especially a shell and a roof of a monocoque body of a motor vehicle. The invention also relates to a system that can be used in the process, and products produced using the process and / or system. Background technique [0002] In the case of known monocoque bodies produced from composite materials, especially carbon fibres, the usual manufacturing method is to fix the separately molded composite components to each other by means of adhesives and / or mechanical workpieces such as bolts. This known monocoque body is characterized firstly by its high cost, since the monolithic structure is not suitable for exploiting the potential of composite materials, and secondly, by its mediocre repeatability, mainly due to the large number of manual operations involved in the production process. In fact, the monocoque is made up of a large number of parts that are individually molded by h...
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