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Structure/ process/ part quality relationship for BMC injection molding

机译:BMC注塑成型的结构/过程/部分质量关系

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Thanks to its qualities and performances, BMC injection molding has nowadays reached a satisfactory maturity level. But nevertheless, this technology remains complex. Thus, the aim of the present study is to determine the technological parameters capable of improving the surface quality of the molded parts. The experiments are performed with a semi-industrial mold for rectangular plate. A first Taguchi Design Of Experiments was used in order to quantify the effect of the feeding, filling, holding and curing parameters on the surface quality. It was completed by a second hybrid DOE, the aim of which was to estimate more precisely the incidence of the main key factors (mold surface temperature, injection flow rate and holding pressure) previously identified. These results have been then confirmed with a different gate location and a modified geometry.
机译:由于其素质和性能,BMC注塑成型现在达到了令人满意的成熟度。但是,这项技术仍然很复杂。因此,本研究的目的是确定能够改善模塑部件的表面质量的技术参数。实验用矩形板的半工业模具进行。使用第一个Taguchi设计的实验设计,以定量饲料,填充,保持和固化参数对表面质量的影响。它由第二次混合DOE完成,其目的是更精确地估计先前鉴定的主要关键因素(模具表面温度,注射流速和保持压力)的发生率。然后用不同的栅极位置和修改的几何形状确认了这些结果。

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