圆柱多级网格结构纤维预浸带缠绕成型技术研究

孙守政; 郭震宇; 冉旭东; 李昆泰; 胡潘; 韩振宇

doi:10.3969/j.issn.1674-6457.2026.02.005

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精密成形工程 ›› 2026, Vol. 18 ›› Issue (2) : 48-59. DOI: 10.3969/j.issn.1674-6457.2026.02.005

兵器工艺技术

圆柱多级网格结构纤维预浸带缠绕成型技术研究

孙守政¹, 郭震宇¹, 冉旭东^1,2, 李昆泰¹, 胡潘³, 韩振宇^1,*

作者信息 +

Cylindrical Multi-level Grid Structures Fabricated by Fiber Prepreg Tape Winding

SUN Shouzheng¹, GUO Zhenyu¹, RAN Xudong^1,2, LI Kuntai¹, HU Pan³, HAN Zhenyu^1,*

Author information +

文章历史 +

摘要

目的解决在制造复合材料多级网格结构时,传统纤维缠绕技术容易在节点处产生纤维堆积、架空等缺陷,以及预浸带在深沟槽模具中难以压实成型的技术难题。方法自主研制了一款轻量化、模块化设计的预浸带专用缠绕头及其精密控制系统。该缠绕头集成了可灵活调节的丝束导向通道、可实现张力稳定的闭环控制系统、结合“热风加热”与“涡流管冷却”的主动式热管理单元以及用于复杂路径的剪切与重送机构。基于Kagome多级网格的几何特点,规划了“三阶段分层填充”缠绕策略,并通过Python脚本编程生成相应的设备控制代码。为保障复杂构件的顺利脱模,设计并采用了具有“负拔模角”的硅胶-石膏复合柔性模具。结果成功进行了复合材料圆柱多级网格构件的自动化缠绕成型与固化实验。缠绕过程稳定,节点处纤维堆积现象显著减轻,肋条形貌完整、层间结合紧密,固化脱模后构件尺寸精度良好。轴压测试结果表明,构件最大极限载荷为24 060.60 N,破坏过程呈现典型的层间分离与整体屈曲的渐进损伤模式,验证了结构具有较高的承载能力与损伤容限。结论本研究验证了所开发的缠绕头及分阶段缠绕工艺用于制备复杂多级网格结构的可行性,为高性能复合材料网格结构的低成本、高质量自动化制造提供了新途径。

Abstract

The work aims to address the technical challenges of fiber accumulation and bridging at nodes in traditional filament winding for manufacturing composite multi-level grid structures, as well as the difficulty in achieving effective compaction of prepreg tows within deep groove molds. In this study, a dedicated prepreg tow winding head with a lightweight modular design and its precision control system were independently developed. The winding head integrated an adjustable tow guidance channel, a closed-loop tension control system for stable winding, an active thermal management unit combining “hot air heating” and “vortex tube cooling”, and a cutting and restart mechanism for complex paths. Based on the geometric characteristics of the Kagome multi-level grid, a “three-stage layered filling” winding strategy was planned, and corresponding equipment control code was generated via Python scripting. To ensure successful demolding of the complex component, a flexible silicone-plaster composite mold with a “negative draft angle” was designed and employed. Automated winding, forming, and curing experiments of composite cylindrical multi-level grid components were successfully conducted. The winding process was stable, fiber accumulation at the nodes was significantly reduced, the rib morphology was complete with tight interlayer bonding, and the cured, demolded component demonstrated good dimensional accuracy. Axial compression tests revealed a maximum ultimate load of 24 060.60 N, and the failure process exhibited a progressive damage mode characterized by interlayer separation and overall buckling, demonstrating the structure's high load-bearing capacity and damage tolerance. This research validates the feasibility of the developed winding head and staged winding process for fabricating complex multi-level grid structures, providing a new approach for the low-cost, high-quality automated manufacturing of high-performance composite grid structures.

导出引用

孙守政, 郭震宇, 冉旭东, 李昆泰, 胡潘, 韩振宇. 圆柱多级网格结构纤维预浸带缠绕成型技术研究[J]. 精密成形工程. 2026, 18(2): 48-59 https://doi.org/10.3969/j.issn.1674-6457.2026.02.005

SUN Shouzheng, GUO Zhenyu, RAN Xudong, LI Kuntai, HU Pan, HAN Zhenyu. Cylindrical Multi-level Grid Structures Fabricated by Fiber Prepreg Tape Winding[J]. Journal of Netshape Forming Engineering. 2026, 18(2): 48-59 https://doi.org/10.3969/j.issn.1674-6457.2026.02.005

中图分类号： TH145.4

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