Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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The Evaluation of Wear Characteristics Depending on Components of Surface Treatment for Cemented Carbide Endmill

초경엔드밀 적용 표면처리 조성별 마모특성 영향 평가

  • Yoon, Il Chae (Division of manufacturing industry innovation, Daegu Mechatronis & Materials Institute) ;
  • Kim, Dong Bae (Division of manufacturing industry innovation, Daegu Mechatronis & Materials Institute) ;
  • Youn, Guk Tae (Division of manufacturing industry innovation, Daegu Mechatronis & Materials Institute) ;
  • Yoon, In Jun (Department of Research & Development, OSG Korea Corporation) ;
  • Lee, Ji Hyung (Department of Research & Development, OSG Korea Corporation) ;
  • Ko, Tae Jo (Department of Mechanical Engineering, Yeung Nam University)
  • 윤일채 (대구기계부품연구원 뿌리산업혁신본부) ;
  • 김동배 (대구기계부품연구원 뿌리산업혁신본부) ;
  • 윤국태 (대구기계부품연구원 뿌리산업혁신본부) ;
  • 윤인준 (한국 OSG 기술연구소) ;
  • 이지형 (한국 OSG 기술연구소) ;
  • 고태조 (영남대학교 기계공학부)
  • Received : 2014.03.14
  • Accepted : 2014.05.12
  • Published : 2014.06.01
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Abstract

For depth machining in die and mold, Electrical Discharge Machining (EDM) is used generally. To make deep hole and deep shape efficiently, cemented carbide endmill for depth machining is necessary. For this purpose, cemented carbide endmill was designed using design of experiment (DOE). To improve cutting performance, endmill was coated with multilayer surface treatment, TiAlCrSiN and TiAlCrN, for higher wear resistance. In order to evaluate the endmill, Transverse Rupture Strength (TRS) test was tried for investigating the relationship between surface treatment and strength in endmill body. Scratch test was also used for measuring adhesion force of each surface treatment. To evaluate hardness of surface treatment, Atomic Force Microscope (AFM) analysis was carried out. Wear test was executed for characteristics of each surface treatment in high temperature. Consequently, TiAlCrSiN was superior to the TiAlCrN coating in case of high temperature environment such as cutting.

Keywords

References

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