工艺与制造英文2022被引 5
连续纤维增强复合材料三维打印层角部补偿算法研究
Research on a Fiber Corner Compensation Algorithm in a 3D Printing Layer of Continuous Fiber-Reinforced Composite Materials
Liu Jiang, Yuzhu Kang, Chenyu Ma, Yesong Wang · University of Science and Technology Beijing
摘要整理
熔融沉积成型（FFF）三维打印技术在连续纤维增强复合材料（CFRC）打印中应用前景广阔。本文基于"独立挤出"型FFF CFRC打印工艺，采用轮廓偏置法获取可执行的G代码，用于连续纤维增强长丝（CFRF）打印。研究发现CFRC打印在角部处理时，实际打印轨迹与理想铺层轨迹存在偏差。通过分析误差产生原因，提出了角部优化算法。该算法经理论分析和实验验证，结果表明：角部优化算法将CFRF打印30°角的适配度提高90%，可靠性显著改善。在打印长度127,200 mm、包含960个打印角的实验中，失败率为0，充分验证了所提算法的有效性和实用价值。该研究为CFRC增材制造的工艺优化和质量控制提供了重要参考。
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