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首页> 外文期刊>SAMPE Journal >Development and Modeling of Novel Roving Impregnation Process Inside Closed Sinusoidal Cavity
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Development and Modeling of Novel Roving Impregnation Process Inside Closed Sinusoidal Cavity

机译：正弦腔内新型粗纱浸渍工艺的开发与建模

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摘要

Filament winding, is the most widespread process for the manufacturing of fiber reinforced pressure vessels. Impregnation is a key step in this manufacturing process. Properties like resin and fiber content, or quality criteria like void fraction are controlled by the impregnation process and have a strong impact of the mechanical properties of the produced vessels. On the other hand, the impregnation affects the processing costs. Major cost factors such as process speed, resin type and roving tex, are chosen according to the impregnation process. The present work is focusing into the development of a new technology for the impregnation of carbon fiber rovings. The developed impregnation unit consists of a sinusoidal cavity without any moving parts. Due to the constant flow of "fresh" resin and the restricted volume of the cavity, the unit provides stable processing conditions and eliminates the possibility of resin cure during the process. The paper focuses on the modelling of the impregnation process inside the developed apparatus. The model takes into account all relevant material and process parameters. An experimental set-up based on a filament winding machine was used for the validation of the model. Trials under different conditions were performed. The results proved that the model can accurately simulate the impregnation process. The very good impregnation degree of the filament wound samples confirmed the efficiency of this novel technology
机译：纤维缠绕是制造纤维增强压力容器的最广泛的过程。浸渍是该制造过程中的关键步骤。诸如树脂和纤维含量之类的特性，或诸如空隙率之类的质量标准都由浸渍过程控制，并且对所生产容器的机械性能有很大影响。另一方面，浸渍会影响加工成本。根据浸渍工艺选择主要的成本因素，例如加工速度，树脂类型和粗纱特质。目前的工作集中在碳纤维粗纱浸渍新技术的开发上。先进的浸渍装置由一个正弦腔组成，没有任何活动部件。由于“新鲜”树脂的恒定流动和模腔的受限体积，该装置可提供稳定的加工条件，并消除了加工过程中树脂固化的可能性。本文着重于开发设备内部浸渍过程的建模。该模型考虑了所有相关的材料和工艺参数。基于纤维缠绕机的实验设置用于模型验证。在不同条件下进行了试验。结果证明，该模型可以准确模拟浸渍过程。细丝缠绕样品的良好浸渍度证实了这项新技术的有效性

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