Technical Briefs

Environment-Friendly Strategies for Efficient Utilization of Cutting Tools in Finish Turning

[+] Author and Article Information
D. K. Sarma, U. S. Dixit

Department of Mechanical Engineering, Indian Institute of Technology Guwahati, Guwahati 781 039, India

J. Manuf. Sci. Eng 131(6), 064506 (Dec 04, 2009) (5 pages) doi:10.1115/1.4000618 History: Received February 18, 2009; Revised November 03, 2009; Published December 04, 2009; Online December 04, 2009

A number of experiments was conducted on the dry and air-cooled turning of steel with TiN coated carbide tool, and Weibull distribution was fitted on the tool life data. It is observed that the tool life (based on surface roughness) in dry turning is more than that in air-cooled turning. However, the tool consumed in air-cooled turning can be reused in dry turning. Further utilization of tool is possible by reusing the failed tool at reduced feed. These strategies of enhancing the tool life require only compressed air as a coolant, and hence, they are environment-friendly. A simple heuristic method is proposed for optimizing the finish turning process that is not dependent on a priori knowledge of tool life.

Copyright © 2009 by American Society of Mechanical Engineers
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Grahic Jump Location
Figure 1

Probability distributions of the tool life at various cutting conditions: (a) dry turning at a cutting speed of 300 m/min; (b) air-cooled turning at a cutting speed of 300 m/min; (c) dry turning at a cutting speed of 270 m/min; and (d) air-cooled turning at a cutting speed of 270 m/min

Grahic Jump Location
Figure 2

Probability distributions of the tool life when dry turning followed air-cooled turning: (a) cutting speed=300 m/min (b) cutting speed=270 m/min

Grahic Jump Location
Figure 3

Probability distributions of the tool life when tool was initially used at 0.1 mm/rev feed, and after failure at this feed, the feed was reduced to 0.07 mm/rev: (a) cutting speed=300 m/min (b) cutting speed=270 m/min




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