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首页> 外文期刊>Journal of Manufacturing Processes >Experimental investigation and sustainability assessment to evaluate environmentally clean machining of 15-5 PH stainless steel
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Experimental investigation and sustainability assessment to evaluate environmentally clean machining of 15-5 PH stainless steel

机译：试验调查和可持续性评估，评价15-5 pH不锈钢环保加工

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摘要

This paper aims to present the environmental issues associated with conventional cutting fluids strategy and find out alternative solutions in terms of environmentally friendly cooling and lubrication techniques with high machining performance. In this view, this paper analyses the cleaner cooling and lubrication techniques, namely dry, MQL, and cryogenic machining with conventional lubrication technique, namely wet machining to reduce the usage of non-renewable energy source and recycle process without losing the productivity. In this context, cutting force, co-efficient of friction (CoF), energy consumption, surface roughness parameters and chip reduction coefficient (CRC) are measured for dry, wet, MQL, and cryogenic machining of 15-5 Precipitation Hardened Stainless Steel (PHSS) with variation in cutting speed and feed rate. Also, a previously applied sustainability assessment algorithm has been implemented to study the effectiveness of these cooling and lubrication strategies. The sustainability assessment includes machining performance as well as sustainable indicators (i.e., waste management, environmental impact as well as operational health and safety) in a single integrated analysis to achieve a balance between the machining efficiency and sustainability effectiveness. At higher value of cutting speed (199 m/min) and feed rate (0.333 mm/rev), 29.26 %, 52.68 % and 53.33 % increment in the value of cutting force were observed in dry, wet and MQL machining in comparison with cryogenic machining respectively. The higher values of CoF and CRC found in dry machining suggest more friction and amount of plastic deformation respectively as compared to other cutting fluid strategies. The 6.27 % higher value of energy consumption was observed in dry machining as compared to other cutting environments. At higher cutting parameters, in cryogenic machining, 6.76 %, 1.8 % and 26.62 % lower surface roughness (Ra) were observed as compared to dry, wet and MQL machining, respectively.
机译：本文旨在介绍与常规切削液策略相关的环境问题，并在具有高机械化性能的环保冷却和润滑技术方面找出替代解决方案。在此视图中，本文分析了用常规润滑技术的干净冷却和润滑技术，即干燥，MQL和低温加工，即湿加工，以减少不可再生能源和再循环过程的使用而不会失去生产率。在这种情况下，测量用于干燥，湿，MQL和低温加工的干燥，湿，MQL和低温加工，测量摩擦力（COF），能耗，表面粗糙度参数和芯片还原系数（CRC）的切削力，节省的摩擦力（COF），能量消耗，表面粗糙度参数（CRC）。 PHSS）具有切割速度和进料速率的变化。此外，已经实施了先前应用的可持续性评估算法以研究这些冷却和润滑策略的有效性。可持续发展评估包括在单一综合分析中加工性能以及可持续指标（即废物管理，环境影响以及运营健康和安全性），以实现加工效率和可持续性效率之间的平衡。在与低温下，在干燥，湿的和MQL加工的情况下观察到切削速度（199m / min）和进料速率（0.333mm / ex）的增量（0.333mm / Rev），29.26％，52.68％和53.33％的增量加工。与其他切削液策略相比，干加工中发现的COF和CRC的较高值表明，与其他切削液策略相比，塑性变形的摩擦力和量。与其他切割环境相比，在干燥加工中观察到6.27％的能量消耗值。与干燥，湿和MQL加工相比，在低温加工方面，在低温加工中，观察到6.76％，1.8％和26.62％的下表面粗糙度（RA）。

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