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Method and system for manufacturing of a moulded CFRP part

A polymer and carbon fiber technology, applied in household components, manufacturing tools, applications, etc., can solve problems such as high cost and achieve the effect of reducing costs

Inactive Publication Date: 2016-06-22
AIRBUS OPERATIONS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this solution has the disadvantage that the laser device must be adjusted and the part must be positioned for optimal cutting, which means greater costs

Method used

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  • Method and system for manufacturing of a moulded CFRP part
  • Method and system for manufacturing of a moulded CFRP part
  • Method and system for manufacturing of a moulded CFRP part

Examples

Experimental program
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Embodiment Construction

[0046] Having previously outlined the objects of the invention, in the following, specific non-limiting embodiments are described.

[0047] Figure 1A and Figure 1B A model of a prior art composites machining center is shown for trimming wing and fuselage sections of different shapes and sizes with a fixation system 12, 16 adapted to the components 11, 14 shape and is adapted to hold the parts 11, 14 in place throughout the machining process. As can be observed, there are several different tools, such as robots 13, 15, for achieving proper tailoring.

[0048] figure 2 A mold 2 for manufacturing a CFRP part is shown comprising a slot 23 , wherein a protrusion 32 is made to obtain markings in an uncured laminate that can be placed on said mold 2 . exist figure 2 In the case of , the ply can be placed on the mold 2 to follow the shape of the slot 23 . During the curing cycle, the ply may be cured into a part 31 comprising said protrusions 32 . This result can be seen in ...

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Abstract

A method for manufacturing of a CFRP part (31, 41) includes laying out one or more pre-preg or composite plies, on a mould comprising a marking tool, forming an uncured laminate with a guiding mark (32, 43) on the uncured laminate using curing the laminate giving the part the final shape with the guiding mark and trimming and / or drilling the CFRP part taking as reference the guiding mark (32, 43). There are also provided a mould for moulding and curing a CFRP part comprising a marking tool adapted to perform a guiding mark on a fresh CFRP part, and a system for manufacturing of a moulded CFRP part.

Description

technical field [0001] The present invention relates to methods and systems for manufacturing components for aircraft. In particular, the invention relates to a method that allows trimming of molded carbon fiber reinforced polymer (CFRP) parts to final dimensions without the use of specific tools and without the need to place the part in flight position or in best fit deformations. Background technique [0002] Most CFRP (Carbon Fiber Reinforced Polymer) products need to be trimmed after they exit the mold in which the CFRP product has been cured. After curing the CFRP part in the tool with the intended final shape, the part is positioned with some deformation or elastic recovery during curing in the cutting / drilling tool to bring the part to the nominal position. [0003] Parts are usually measured by probing to ensure good positioning in the tool and to measure critical points. Using the measurements, the machine best matches the part to the theoretical part programmed t...

Claims

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Application Information

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IPC IPC(8): B29C70/54
CPCB29C70/54B29C70/545B25J11/006B29C37/02B29C2793/009B29C70/06B29K2307/04B29L2031/3076
Inventor 帕布洛·塞沃利亚加罗费
Owner AIRBUS OPERATIONS GMBH
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