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http://dx.doi.org/10.7735/ksmte.2012.21.6.871

A Study on Surface Integrity in Hard Turning  

Lee, Han Gyo (한국폴리텍대학 김제캠퍼스 컴퓨터응용기계과)
Shin, Hyung Gon (전북대학교 기계시스템 공학부)
Yoo, Seung Hyeon (전북대학교 대학원 기계시스템공학과)
Kim, Tae Young (전북대학교 기계시스템 공학부)
Publication Information
Journal of the Korean Society of Manufacturing Technology Engineers / v.21, no.6, 2012 , pp. 871-877 More about this Journal
Abstract
New materials widely used for automobile related industry, aircraft, space development area are mostly high hardness materials. The hardness value of some hardened materials is over HRC45 and machining of this hardened materials is called as hard turning. Hard turning has its advantage on processing flexibility, cycle time and tool cost reduction. Also this process obtains high efficiency in processing and precise surface roughness through application of the CBN tools. In hard turning process with CBN tool, surface integrity is the important factor for considering the design of machine part and component under high stress and load conditions. A purpose of this study is to analyze optimal condition in hard turning process of AISI 52100 steel (HRC62) with high CBN and low CBN on turning characteristics, tool wear mechanism comparison and surface integrity.
Keywords
Tool wear; Hard turning; CBN tool; Surface integrity;
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