工艺与制造英文2024被引 14
通过测量制造工艺变差源预测自动铺纤复合材料的间隙和搭接
Predicting gaps and overlaps in Automated Fiber Placement composites by measuring sources of manufacturing process variations
Siddharth Pantoji, Christos Kassapoglou, Daniël Peeters · Delft University of Technology
摘要整理
自动铺纤（AFP）工艺中的制造变差是导致间隙和搭接缺陷的主要原因之一。这些制造变差可能源于机器人精度不足、纤维束在压实辊上的横向移动、纤维束宽度变化或纤维束压实不足。本研究建立了一套实验装置，用于测量和研究各种制造变差源及其对间隙和搭接缺陷的相对贡献。该装置由配备额外传感器的商用AFP铺头组成。在所有测量的变差源中，纤维束在压实辊上的横向移动对间隙和搭接的影响最大。这些变差源的分布采用概率密度函数进行拟合。利用这些拟合函数生成的随机样本模拟相邻纤维束，预测间隙和搭接缺陷的发生。预测间隙的分布与实验测量的间隙分布高度相关。因此，该方法通过利用制造工艺变差源的统计信息来预测铺层中缺陷的频率和幅度，得到了有效验证。该研究为AFP工艺质量控制和缺陷预测提供了重要的理论基础和实验依据。
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