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Experimental Investigation on Machinability of Polypropylene Reinforced with Miscanthus Fibers and Biochar

机译：芒草纤维和生物炭增强聚丙烯加工性能的实验研究

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The machinability of composite materials depends on reinforcements, matrix properties, cutting parameters, and on the cutting tool used (material, coating, and geometry). For new composites, experimental studies must be performed in order to understand their machinability, and thereby help manufacturers establishing appropriate cutting data. In this study, investigations are conducted to analyze the effects of cutting parameters and drill bit diameter on the thrust force, surface roughness, specific cutting energy, and dust emission during dry drilling of a new hybrid biocomposite consisting of polypropylene reinforced with miscanthus fibers and biochar. A full factorial design was used for the experimental design. It was found that the feed rate, the spindle speed, and the drill bit diameter have significant effects on the thrust force, the surface roughness, and the specific cutting energy. The effects of the machining parameters and the drill bit diameter on ultrafine particles emitted were not statistically significant, while the feed rate and drill bit diameter had significant effects on fine particle emission.
机译：复合材料的可加工性取决于增强材料，基体属性，切削参数以及所使用的切削工具（材料，涂层和几何形状）。对于新的复合材料，必须进行实验研究以了解其可加工性，从而帮助制造商建立适当的切削数据。在这项研究中，进行了调查，以分析切削参数和钻头直径对干钻新杂化生物复合材料的推力，表面粗糙度，比切削能和粉尘排放的影响。 。实验设计使用了全因子设计。发现进给速度，主轴转速和钻头直径对推力，表面粗糙度和比切削能有显着影响。加工参数和钻头直径对排放的超细颗粒的影响没有统计学意义，而进给速度和钻头直径对细颗粒的排放有显着影响。

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