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Chambers with clean and dirty parts for manufacturing composite parts

A technology for manufacturing rooms, components, used in aircraft parts, transportation and packaging, airframes, etc., which can solve the problems of disassembly and replacement, which are expensive, time-consuming, and disruptive to production

Active Publication Date: 2016-02-03
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If a large airframe section is damaged, removing and replacing the entire barrel section would be very expensive, disruptive to production and time consuming

Method used

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  • Chambers with clean and dirty parts for manufacturing composite parts
  • Chambers with clean and dirty parts for manufacturing composite parts
  • Chambers with clean and dirty parts for manufacturing composite parts

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] refer to figure 1 , which shows a manufacturing chamber 110 for manufacturing a composite part comprising layers or plies of reinforcing fibers embedded in a matrix. An example of a composite is carbon fiber reinforced plastic (CFRP), where the components can include carbon fibers embedded in an epoxy resin matrix.

[0017] Fabrication chamber 110 includes a dirty section 120 and a clean section 130 . Operations in dirty portion 120 include, but are not limited to, assembly and machining (eg, trimming, milling, and drilling). Operations are considered dirty if they create dust or contamination that violates cleanroom requirements for handling uncured composites. For "dirty" operations, such as machining, the dirty section 120 may include a vacuum system 122 to minimize dust and debris to facilitate cleanup. The vacuum system 122 may have a dust removal efficiency as high as 98% or greater.

[0018] Operations in the clean section 130 include composite layup on the m...

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Abstract

A chamber for manufacturing components having reinforcing fibers embedded in a matrix includes a clean section for performing clean operations including laying the reinforcing fibers on a mandrel tool. The clean section meets clean room requirements for handling uncured composite materials. The chamber also includes an adjacent dirty section for performing dirty operations including machining the layup after curing; a common end effector positioning system movable between the clean and dirty sections; A device that prevents contaminants in the dirty section from entering the clean section.

Description

Background technique [0001] Commercial aircraft can be damaged by bird strikes, ground handling equipment, debris, hail, and other unplanned events. These events can create holes and cracks in the aircraft skin and cause damage to the underlying stiffening substructure (eg, frames, stiffeners, and buildup). For example, the front cockpit portion of the vehicle may be damaged by a bird strike, the lower lobe may be damaged by a collapsed nose landing gear, the area around the middle door may be damaged by a collision with ground handling equipment, and the lower lobe at the end portion may be damaged by Damaged by rear impact, etc. [0002] It is important to repair damaged aircraft and bring them back into service as quickly as possible. Downtime is invaluable on an aircraft carrier, as idling aircraft results in lost revenue. [0003] Maintenance of sheet aluminum aircraft is relatively simple. The damaged panels and underlying substructure are removed from the vehicle an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C73/04B29C35/02B29C70/00
CPCB29C35/02B29C35/0227Y10T29/49Y10T29/51Y10T29/49801Y10T29/49995B29C73/04B29C70/30B64F5/00B64C1/00B29C70/32Y02T50/40
Inventor J·L·米勒
Owner THE BOEING CO
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