工艺与制造英文2018被引 42
自动化纤维铺放 (AFP) 与增材制造 (ALM) 的结合新方法
A Novel Approach: Combination of Automated Fiber Placement (AFP) and Additive Layer Manufacturing (ALM)
Mohammad Rakhshbahar, Michael Sinapius · Institut for Adaptronics and Function Integration, Technische Universität Braunschweig, Langer Kamp 6, 38106 Braunschweig, Germany
摘要整理
自动化纤维铺放 (AFP) 和自动化铺带 (ATL) 等自动化加工技术已广为人知。然而，这些方法在制造大型复杂复合材料结构方面仍有巨大的改进潜力。本实验工作展示了自动化纤维铺放 (AFP) 工艺中存在的间隙效应，并提出了一种克服这一缺陷的解决方案。间隙在复杂或双曲面结构上尤为明显，会降低复合材料结构的力学性能。为了弥补这种效应带来的不可避免的薄弱区域，传统上会铺设多层纤维复合材料以提高部件的力学性能，但这会增加部件的重量和生产成本。在这种新方法中，纤维带在模具上铺放后，通过轮廓传感器检测间隙。随后，利用3D打印机采用碳连续纤维增强塑料对这些间隙进行填充。通过结合3D打印和AFP技术，可以更均匀地制造复合材料部件。因此，由于避免了额外铺层，部件的生产速度更快、成本更低，并且重量更轻。
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