复材机翼蒙皮多点柔性成型质量分析

doi:10.3901/JME.2022.20.198

机械工程学报 ›› 2022, Vol. 58 ›› Issue (20): 198-205.doi: 10.3901/JME.2022.20.198

• 特邀专栏：高性能塑性成形制造(下) • 上一篇下一篇

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复材机翼蒙皮多点柔性成型质量分析

韩奇钢¹, 邵若伟¹, 梁策¹, 韩金城¹, 王元昊¹, 李博²

1. 吉林大学材料科学与工程学院长春 130022;
2. 吉林大学工程仿生教育部重点实验室长春 130022

收稿日期:2021-11-30 修回日期:2022-06-04 出版日期:2022-10-20 发布日期:2022-12-27
通讯作者: 梁策(通信作者)，女，1987年出生，博士研究生。主要研究方向为柔性复合成形制造。E-mail：liangce@jlu.edu.cn
作者简介:韩奇钢，男，1983年出生，教授，博士研究生导师。主要研究方向为柔性复合成形制造。E-mail：hanqg@jlu.edu.cn
基金资助:
国家自然科学基金资助项目(5202290582，51975247)。

Quality Analysis of Flexible Molding Process for Composite Wing Skin

HAN Qigang¹, SHAO Ruowei¹, LIANG Ce¹, HAN Jincheng¹, WANG Yuanhao¹, LI Bo²

1. School of Materials Science and Engineering, Jilin University, Changchun 130022;
2. Key Laboratory of Bionic Engineering of Ministry of Education, Jilin University, Changchun 130022

Received:2021-11-30 Revised:2022-06-04 Online:2022-10-20 Published:2022-12-27

摘要/Abstract

摘要： 为提升复材机翼蒙皮柔性成型质量，本工作探寻了不同厚度、不同种类压痕抑制垫与复材机翼蒙皮成型质量间的作用规律。结果表明：当硅胶厚度为2.0 mm时，复材机翼蒙皮表面的压痕完全消失，其平均型面误差不高于1.36 mm，较无压痕抑制垫柔性成型蒙皮件型面误差降低26.88%；当丁腈橡胶厚度为1.5 mm时，复材机翼蒙皮表面的压痕完全消失，其平均型面误差不高于0.87 mm，较无压痕抑制垫柔性成型蒙皮件的平均型面误差降低53.23%。本研究揭示了材质较软的压痕抑制垫能够有效抑制压痕和减少型面误差，提高复材构件型面成型质量；压痕抑制垫厚度过大，会导致纤维复材机翼蒙皮型面偏差增加。本工作为航空复材机翼蒙皮柔性成型积累了基础数据。

关键词: 复材机翼蒙皮, 多点柔性模具, 成型工艺, 成型质量

Abstract: In order to improve the flexible forming quality of composite wing skins, the law of interaction between different thicknesses and types of indentation suppression pads and the molding quality of composite wing skins were carried out. It was shown that as the thickness of the silicone is 2.0 mm, the dimples on the surface of the composite wing skin completely eliminated, and the average profile error is less than 1.36 mm, it is decreased by 26.88%. As the thickness of the nitrile rubber is 1.5 mm, the dimples on the surface of the composite wing skin completely eliminated, and the average profile error is less than 0.87 mm, it is decreased by 53.23%. This study revealed that the indentation suppression pad with softer material can effectively inhibit indentation and reduce the profile error, and improve the molding quality of the composite components. Excessive thickness of the indentation suppression pad will lead to increased deviation of the skin profile of the fiber composite wing. This work has accumulated basic data for the flexible molding of aerospace composite wing skins.

Key words: composite wing skin, multi-point flexible mold, molding process, molding quality

中图分类号:

TG156

韩奇钢, 邵若伟, 梁策, 韩金城, 王元昊, 李博. 复材机翼蒙皮多点柔性成型质量分析[J]. 机械工程学报, 2022, 58(20): 198-205.

HAN Qigang, SHAO Ruowei, LIANG Ce, HAN Jincheng, WANG Yuanhao, LI Bo. Quality Analysis of Flexible Molding Process for Composite Wing Skin[J]. Journal of Mechanical Engineering, 2022, 58(20): 198-205.

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复材机翼蒙皮多点柔性成型质量分析

Quality Analysis of Flexible Molding Process for Composite Wing Skin

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