Mold Stiffness Optimization for Large-Scale Aircraft Composite Fuselage Panel

PENG Weibo; NIE Jun; LI Kelang; Huang Bo; XIE Zhenqing; CAI Wenkan

doi:10.16080/j.issn1671-833x.2022.19.114

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Mold Stiffness Optimization for Large-Scale Aircraft Composite Fuselage Panel

更新时间：2025-10-30

- Mold Stiffness Optimization for Large-Scale Aircraft Composite Fuselage Panel
- Aeronautical Manufacturing Technology Vol. 65, Issue 19, Pages: 114-118(2022)
- 作者机构：
  
  1. 湖南航天飞宇航空装备有限公司,长沙,410205
  2. 上海飞机制造有限公司,上海,201324
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2022.19.114
  CLC：
- Published：2022
- 稿件说明：
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彭伟波，聂俊，李克郎，黄波，谢振清，蔡文侃. 大型飞机机身壁板复合材料成型模具刚度优化[J]. 航空制造技术, 2022, 65(19): 114-118.

PENG Weibo, NIE Jun, LI Kelang, Huang Bo, XIE Zhenqing, CAI Wenkan. Mold Stiffness Optimization for Large-Scale Aircraft Composite Fuselage Panel[J]. Aeronautical Manufacturing Technology, 2022, 65(19): 114-118.
彭伟波，聂俊，李克郎，黄波，谢振清，蔡文侃. 大型飞机机身壁板复合材料成型模具刚度优化[J]. 航空制造技术, 2022, 65(19): 114-118. DOI： 10.16080/j.issn1671-833x.2022.19.114.

PENG Weibo, NIE Jun, LI Kelang, Huang Bo, XIE Zhenqing, CAI Wenkan. Mold Stiffness Optimization for Large-Scale Aircraft Composite Fuselage Panel[J]. Aeronautical Manufacturing Technology, 2022, 65(19): 114-118. DOI： 10.16080/j.issn1671-833x.2022.19.114.

摘要

通过对固定在卧式铺丝机两端进行铺丝作业的机身壁板模具的力学分析，确认模具重量和截面惯性矩为模具刚度的主要影响因素。首先使用拓扑优化进行隔框截面布置，然后依据隔框之间的传递路径提示和钢结构节点设计原理构造出工程化的基础设计方案。在基础设计方案上遴选出型面厚度，赋型筋板厚度以及隔框数量3 个影响因素，并针对这些影响因素进行正交试验设计与仿真分析。结果表明，减少隔框数量，优化赋型筋板和型面厚度能够实模具刚度提升与模具轻量化性能的平衡。

Abstract

Aircraft composite fuselage panel mold firmed on the horizontal automatic fiber placement (AFP) is tudied based on the theoretical mechanics. It proves that the mold weight and section inertia moment are the dominating actors influencing mold stiffness. Firstly

frame unit is constructed by topology optimization. Then

an industrialized base esign proposal is constructed according to the load transmission path among frame unites and steel structure points design rinciple. Three influencing factors which are mold profile

shaped ribs and frame unit numbers are selected based on base esign proposal

and an orthogonal experimental design and simulation analysis for these influencing factors is finished. nalysis results point out that it will realize the performance balance between the mold lightweight and stiffness when ecrease the frame unit numbers and optimize the thickness of mold profile and shaped ribs.

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