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In-Process Fiber Orientation Measurement and Foreign Object Damage (FOD) Prevention for Complex Preform or Prepreg Lay-ups

机译:复杂预成型坯或预浸料叠层的过程中纤维取向测量和异物损坏(FOD)预防

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摘要

Process control in both automated and manual production of composites structures is essential to ensure that the "as-built"part is an accurate realization of the characteristics chosen by the part designer. Manufacturing variations from the nominal design can result in compromised part performance or even structural failure. The lack of efficient, near-real-time, quantitative reporting of part characteristics during part fabrication results in an uncertainty requiring overdesign, with corresponding extra material and weight. An in-process vision system that compares design model and as-built characteristics has been operated on a complex preform as well as hand laid prepreg material. The system and its operation are described along with results achieved in initial applications.
机译:复合材料结构的自动和手动生产中的过程控制对于确保“竣工的”零件能够准确实现零件设计者选择的特性至关重要。标称设计的制造偏差可能会导致零件性能下降甚至结构故障。在零件制造过程中缺少有效,近乎实时的零件特性定量报告会导致不确定性,需要进行过度设计,并增加相应的材料和重量。在复杂的预成型坯以及手工预浸料上运行的可比较设计模型和建成特性的过程可视化系统。描述了该系统及其操作,以及在初始应用中获得的结果。

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