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Tool and method for correcting shape of composite cabin section

A composite material and cabin technology, applied in the field of composite material cabin orthopaedic tooling and orthopedics, can solve the problems of high requirements for curing equipment and insignificant application effect, and achieve the effect of improving work efficiency

Active Publication Date: 2017-12-15
AEROSPACE RES INST OF MATERIAL & PROCESSING TECH +1
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  • Summary
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  • Application Information

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Problems solved by technology

Some literatures mention that from the process point of view, curing deformation can be reduced by optimizing process parameters such as curing temperature, cooling rate, and curing pressure, but this method has high requirements for curing equipment, especially temperature field uniformity, temperature control accuracy, etc. parameters, the actual application effect is not obvious

Method used

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  • Tool and method for correcting shape of composite cabin section
  • Tool and method for correcting shape of composite cabin section
  • Tool and method for correcting shape of composite cabin section

Examples

Experimental program
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Effect test

Embodiment

[0085] Composite mesh skin compartment orthopedics, its structure schematic diagram is as follows image 3 As shown, the outer diameter of the upper frame is 1700mm, the inner diameter of the upper frame is 1664mm, the outer diameter of the lower frame is 1748mm, and the height is 260mm. The design value is required to be no greater than 1.5mm. Due to the asymmetric distribution of multiple thickened areas on the cabin section, the upper end frame is severely deformed after curing. The correction of the composite mesh skin cabin section is realized through the following steps.

[0086] like figure 1 and figure 2 As shown, the orthopedic tooling includes a panel 1, a support plate 2, a slider 3, 8 top blocks 4, a magnetic base and a dial indicator; the 8 top blocks are evenly distributed on the panel 1 upwards in 4 weeks;

[0087] The panel 1 is a ring, and there is a circumferential groove 5 on the panel 1; the inner diameter of the groove 5 is greater than the outer diame...

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Abstract

The invention relates to a tool and method for correcting the shape of a composite cabin section and belongs to the technical field of composite component curing deformation. In the method, the shape of the composite cabin section is corrected by using the tool at set temperature so as to reduce the problems that the deformation of a composite component causes product scrap, or too-concentrated stress on the following processing and assembly and the like.

Description

technical field [0001] The invention relates to a composite material cabin orthopedic tooling and an orthopedic method, which belong to the technical field of solidification and deformation of composite material components. In the method, the composite material cabin is orthoped by using the tool at a set temperature to reduce Problems such as product scrapping caused by deformation of composite material components or excessive stress concentration caused by subsequent processing and assembly. Background technique [0002] After the composite material component undergoes high-temperature solidification molding and cooling and cooling process, due to the thermal expansion and contraction effect of the material, the chemical reaction shrinkage effect of the matrix resin, the thermal expansion coefficient mismatch between the composite material and the mold, the geometric asymmetry of the overall structure, and the lay-up design Due to reasons such as mold characteristics and o...

Claims

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Application Information

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IPC IPC(8): B29C53/16B29C53/80
CPCB29C53/16B29C53/8041
Inventor 付平俊蒋文革郭鸿俊李健芳张娅婷王超冯海东
Owner AEROSPACE RES INST OF MATERIAL & PROCESSING TECH
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