期刊
JOURNAL OF CLEANER PRODUCTION
卷 129, 期 -, 页码 212-222出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2016.04.080
关键词
Grinding; Minimum quantity lubrication; Nanofluids; Ultrasonic assisted machining
Optimization of grinding process from the viewpoint of surface integrity and production cost is of the primary interest in grinding technology. Previous studies have shown that ultrasonic vibration assisted grinding (UAG) improves the grinding performance. These improvements are attributed to the change of the nature of the cutting process in UAG. On the other hand, minimum quantity lubrication (MQL) method has also been shown to increase the effect of lubrication characteristics of cutting fluid, and to minimize consumption of cutting fluid and reduce its environmental impact. Furthermore, it is perceived that adding nanoparticles to the cutting fluid, will improve its effectiveness. This paper reports an experimental investigation of the vibration assisted grinding process combined with MQL using oil-based nanofluids with MoS2 nanoparticles. Results are presented in terms of normal and tangential forces, force ratio and ground surface roughness. The results show that imposed horizontal ultrasonic vibration significantly decreases the grinding normal force. Also, MQL using nanofluid significantly decreases the grinding tangential force. Finally, simultaneous application of both techniques reduced forces by around 60%, which is very substantial. It also improved the surface quality. (C) 2016 Elsevier Ltd. All rights reserved.
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