Journal of the Japan Society for Technology of Plasticity
Online ISSN : 1882-0166
Print ISSN : 0038-1586
ISSN-L : 0038-1586
Papers
Effects of Ion Processing of Cutting Edge of Tools on Tool Wear and Punching Characteristics in Micropunching Process
Tomomi SHIRATORITomoaki YOSHINOYohei SUZUKIShizuka NAKANOMing YANG
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2019 Volume 60 Issue 698 Pages 58-63

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Abstract

The effectiveness of the punching process to form the nano metric cutting edge of microtools was investigated in this study. To achieve improvement of tool wear and stability of shared surfaces. An argon ion irradiation beam for finishing the cutting edge of a micropunch of nanometric size was developed. Firstly, the cutting edge radius of the micropunch was decgreased from the micrometric to nanometric scale. Secondly, chipping of the WC-Co alloy at the cutting edge of the micropunch was decreased using on ion beam irradiation micropunch. Moreover, the shear droop length in the punched hole was decreased by using ion beam irradiation micropunch. Therefore, ion beam irradiation can effectively improve the cutting edge quality of a micropunch with no apparent damage.

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© 2019 The Japan Society for Technology of Plasticity
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