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一种基于欧勒图的路径规划方法,用于增材制造连续纤维增强热塑性复合材料的薄壁细胞结构
Guocheng Liu1,2, Fei Wang1,2, Qiyong Tu1,2
1Hubei Key Laboratory of Advanced Technology for Automotive Components, Wuhan University of Technology, Wuhan 430074, China.
Polymers
|December 11, 2025
概括
连续纤维增强热塑性复合材料 (CFRTPC) 的增材制造通过一种新的路径规划方法得到了改进. 这种技术避免了丝材的切割和利的转,提高了最终部件的机械性能.
科学领域:
- 材料科学 材料科学 材料科学
- 机械工程 机械工程
- 添加剂制造 添加剂制造 添加剂制造
背景情况:
- 连续纤维增强热塑性复合材料 (CFRTPCs) 对薄壁细胞结构有价值.
- 增材制造 (AM) 提供了高效的制造,但面临着光纤切割和路径诱导的缺陷的挑战.
研究的目的:
- 为CFRTPCs的AM开发一种新的路径规划方法.
- 为了解决印制过程中丝跳跃,扭曲,折叠和断裂的问题.
主要方法:
- 提出了一种基于欧勒图的路径规划方法.
- 使用双边形将非欧勒图转换为欧勒图.
- 一个具有伪交叉点的优化Hierholzer算法产生了连续的,不交叉的路径,最大限度地减少了的转.
主要成果:
- 优化的Hierholzer算法显著降低了平均转角度高达20.88%.
- 转次数≤120°增加了高达26.67%,表明更光滑的路径.
- 使用定制机器人辅助的AM设备,生成的路径被成功验证了.
结论:
- 提出的基于欧勒图的路径规划方法有效地改善了CFRTPC的AM过程.
- 这种方法通过避免关键的打印缺陷来提高AM部件的质量和机械完整性.
- 这项研究表明,复杂复合结构的无缺陷增材制造是一个可行的解决方案.
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