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|Title:||Experimental study on ultrasonic elliptical vibration cutting of hardened steel using PCD tools||Authors:||Zhang, X.
Senthil Kumar, A.
Ultrasonic elliptical vibration cutting
|Issue Date:||Nov-2011||Citation:||Zhang, X., Senthil Kumar, A., Rahman, M., Nath, C., Liu, K. (2011-11). Experimental study on ultrasonic elliptical vibration cutting of hardened steel using PCD tools. Journal of Materials Processing Technology 211 (11) : 1701-1709. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jmatprotec.2011.05.015||Abstract:||Diamond tools cannot usually be applied for machining hardened steels while applying conventional cutting technique. As an alternative, ultrasonic elliptical vibration cutting (UEVC) technique was successfully applied for obtaining mirror surface on such steels using single crystal diamond (SCD) tools. In order to reduce production cost without compromising mirror surface quality, polycrystalline diamond (PCD) tools may be tested against highly expensive SCD tools. However, study on machining of hardened steel using PCD tools applying the UEVC technique has not yet been reported. The current research presents an experimental study on UEVC of hardened stainless steel (a typical Stavax, hardness 49 HRC) using the PCD tools. Face turning experiments were carried out to investigate the effects of three machining parameters: nominal depth of cut, feed rate, and nominal cutting speed on output performances such as cutting force, tool flank wear, surface roughness, and chip formation. Experimental results show that nominal cutting speed has very strong influence on the output performances, compared to the other two parameters. The surface roughness improves with a decrease in cutting speed. A mirror-like surface of approximately 804 mm2 with a roughness value Ra of 11 nm was achieved at a lower cutting speed. Theoretical explanations have been given to support the results drawn from the UEVC experiments. It can be concluded that, while applying the UEVC technique, the inexpensive PCD tools instead of the SCD tools can be effectively applied to obtain optical surface for producing precise molds from the hardened steel. © 2011 Elsevier B.V. All rights reserved.||Source Title:||Journal of Materials Processing Technology||URI:||http://scholarbank.nus.edu.sg/handle/10635/85184||ISSN:||09240136||DOI:||10.1016/j.jmatprotec.2011.05.015|
|Appears in Collections:||Staff Publications|
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