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A process method for improving the internal molding quality of large-thickness composite rudder

A composite material and molding quality technology, which can be applied to household appliances, other household appliances, household components, etc., can solve the problems of rudder molding, such as difficult demoulding and low pass rate, so as to reduce the risk of delamination, facilitate operation, and stable molding quality Effect

Active Publication Date: 2022-07-19
SHANXI PINGYANG IND MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention aims to solve the technical problems that the existing rudder molding is not easy to demould and the qualified rate is low

Method used

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  • A process method for improving the internal molding quality of large-thickness composite rudder
  • A process method for improving the internal molding quality of large-thickness composite rudder
  • A process method for improving the internal molding quality of large-thickness composite rudder

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Embodiment Construction

[0027] In order to make the purpose, technical solutions and advantages of the present application more clearly understood, the present application will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

[0028] refer to Figure 3 to Figure 5 , a process method for improving the internal molding quality of a large-thickness composite rudder of the present invention comprises the following steps:

[0029] S1. Use two copper or aluminum skins that are adapted to the inner surface of the upper mold 1 and the inner surface of the lower mold 2 respectively, and attach the two copper or aluminum skins to the upper mold 1 and the lower mold 2 respectively. Then paste the release cloth on the inner surface of the two copper or aluminum skins. The copper or aluminum skins are p...

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Abstract

The invention relates to the technical field of composite material rudder forming methods, in particular to a process method for improving the internal forming quality of a large-thickness composite material rudder, and aims to solve the technical problems that the existing rudder forming is not easy to demould and has a low qualification rate. The following technical solution is adopted: when preforming, add copper or aluminum skin between the mold and the rudder, first lay a layer of carbon fiber / epoxy resin prepreg woven cloth along the curved surface, and then lay the carbon fiber / epoxy resin layer by layer. The prepreg woven cloth is preformed to form a preform, and then a whole layer of carbon fiber / epoxy resin prepreg woven cloth is covered on the outer surface of the preform, and the formed body is formed after forming.

Description

technical field [0001] The invention relates to the technical field of composite material rudder forming methods, in particular to a process method for improving the internal forming quality of a large-thickness composite material rudder. Background technique [0002] The rudder is an important part for steering and controlling the course, and the shape is shown as figure 1 As shown, the maximum thickness is about 21mm. The original rudder is made of steel or aluminum alloy, which is heavy and difficult to meet the requirements. In order to reduce the weight and the special stress requirements of the structure, the existing rudders are mostly made of carbon fiber / epoxy resin composite materials, and the rudder stock is made of metal materials. Due to the large thickness of the rudder, the existing molding method adopts the secondary molding method, that is, firstly, the carbon fiber / epoxy resin prepreg woven cloth cut according to the shape of the curved surface of the rud...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C70/34B29C33/44B29L31/30
CPCB29C70/345B29C33/44B29L2031/3067
Inventor 李秀文倪伟闫云飞张雅静晋美娟庄国顺
Owner SHANXI PINGYANG IND MACHINERY