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首页> 外文期刊>Journal of Manufacturing Processes >Improvement of the milling process performance by using cutting fluids prepared with nano-silver and boric acid
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Improvement of the milling process performance by using cutting fluids prepared with nano-silver and boric acid

机译：使用用纳米银和硼酸制备的切削液改进铣削过程性能

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摘要

Today, it is aimed to produce high quality products and reduce energy consumption in metal cutting processes. For this purpose, it is necessary to use cutting fluids with high tribological performance in metal cutting processes. With the use of these fluids, the lubrication and cooling functions required in metal removal processes will be provided effectively. In addition, minimal and effective use of fluids will reduce processing costs and energy consumption. In this study, tribological performances of cutting fluids consisted of nano-silver and boric acid were investigated comprehensively in the milling process of AA7075-T6 material. First, colloidal suspensions were prepared in ethylene glycol medium using nano-silver as a cooling and surface film-forming agent and boric acid as a lubricating agent. Secondly, milling experiments were performed according to semi factorial design method. Surface roughness (R-a) and cutting forces were considered as performance criteria. Visual and elemental analyses of chips were performed via scanning electron microscopy (SEM) and energy-dispersive X-ray (EDX) spectroscopy. Tool wear and build-up-edge (BUE) formation was examined by optical microscope. According to the results, the cutting fluid prepared with nano-silver (nAg) and boric acid (BA) in a medium of ethylene glycol (EG) decreased surface roughness by 14.59% more than the nAg and EG mixture and by 5.27% more than the BA and EG mixture. In addition, cutting forces of EG + BA + nAg was observed 0.846% and 0.115% lower than the EG + nAg and EG + BA, respectively. In terms of tool wear and chip morphology, EG + BA + nAg cutting fluid showed better results than other cutting fluids.
机译：如今，旨在生产高质量的产品，降低金属切削过程中的能耗。为此目的，有必要在金属切削过程中使用具有高摩擦性能的切削液。通过使用这些流体，将有效地提供金属去除过程中所需的润滑和冷却功能。此外，最小化的流体利用将降低加工成本和能耗。在该研究中，在AA7075-T6材料的研磨过程中，全面研究了由纳米银和硼酸组成的切削液的摩擦性能。首先，使用纳米银作为冷却和表面膜形成剂和硼酸制备胶体悬浮液，作为润滑剂。其次，根据半因子设计方法进行研磨实验。表面粗糙度（R-A）和切割力被认为是性能标准。通过扫描电子显微镜（SEM）和能量分散X射线（EDX）光谱进行芯片的视觉和元素分析。通过光学显微镜检查刀具磨损和构建边缘（BUE）形成。根据结果​​，在乙二醇（例如）的介质中用纳米银（NAG）和硼酸（BA）制备的切削液将表面粗糙度降低14.59％，比纳格（例如混合物）（例如混合物超过5.27％） BA和例如混合物。另外，观察到例如+ Ba + nag的切割力分别比例如+ nag和例如+ ba低0.846％和0.115％。就工具磨损和芯片形态而言，例如+ BA + NAG切削液显示出比其他切削液更好的结果。

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