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Processing arrangement and a method for producing a fibre-reinforced plastic component

A technology for fiber-reinforced, plastic parts, applied in the process layout and field of production of fiber-reinforced plastic parts, can solve problems such as non-reprocessing

Active Publication Date: 2017-10-17
VOLKSWAGEN AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Boundary trimmings and assembly trimmings (as distinguished from final trimmings) have not been aggregated and therefore cannot be reprocessed in the recycling process given above

Method used

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  • Processing arrangement and a method for producing a fibre-reinforced plastic component
  • Processing arrangement and a method for producing a fibre-reinforced plastic component
  • Processing arrangement and a method for producing a fibre-reinforced plastic component

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0021] exist Figures 1 to 4 In this regard presented for the production of fiber-reinforced plastic parts 1 ( image 3 and 4 ) of the process stations I to VI, as this is necessary for the understanding of the present invention. Thus, in the production station 1, for example, two fiber layers 2 are first guided in a continuous process to an endless conveyor belt 5 with a first film 3 of polyamide or another suitable material placed in the middle. superior. The woven layer structure 7 formed in this way is impregnated with a reactive thermoplastic matrix material, for example a starting component 8 of a lactam, more precisely below the start temperature for the polymerization of the reactive thermoplastic matrix material starting component. The temperature is under the condition of heat load 10.

[0022] In the course of the further process, the second film 9 is then applied and the woven layer structure 7 is cooled (that is to say consolidated) in the cooling unit 11 and m...

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Abstract

The invention relates to a processing arrangement and to a method for producing a fibre-reinforced plastic component (1) from at least one continuous-fibre-reinforced textile semi-finished fibre product (15) with a reactive thermoplastic matrix material, off-cuts (mR, mA) accruing during the manufacture of said semi-finished fibre product (15), and consisting of a composite of fibres and the reactive thermoplastic matrix material. During a post-treatment of said manufactured plastic component (1), end off-cuts (mE) accrue which consist of a composite of fibres and polymerised thermoplastic matrix material and which are processed further in a recycling station (VII) so as to obtain regrind (R). According to the invention, the off-cuts (mR, mA) which accrue during the manufacture of the semi-finished fibre product (15) are polymerised in a treatment station (VIII) and then fed to said recycling station (VII).

Description

technical field [0001] The invention relates to a process arrangement for the production of fiber-reinforced plastic parts according to the preamble of patent claim 1 and a process arrangement for the production of such plastic parts according to the preamble of patent claim 9 Methods. Background technique [0002] The production of fiber-reinforced plastic parts can be carried out by means of textile semi-finished products, so-called sheet molding compounds (prepreg). The fiber material woven in the reactive sheet molding compound is pre-impregnated with a reactive, ie not yet polymerized, thermoplastic matrix material below the polymerization initiation temperature. For the shaping of fiber-reinforced plastic parts, sheet molding compounds are stacked on top of one another in storage to form layer packs and are subjected to drawing or pressing methods. [0003] A method of this type for producing reactive sheet molding compounds, that is to say endless fiber-reinforced s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/46B29C70/50
CPCB29C70/46B29C70/50B29B17/0005B29C70/54B29B2017/001
Inventor T.默滕斯M.埃莱本C.孔策O.特格M.比特利希K.措伊纳P.德布瓦A.沃尔尼
Owner VOLKSWAGEN AG
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