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한국생산제조학회 학술지 영문 홈페이지
[ Article ]
Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 32, No. 2, pp.92-100
ISSN: 2508-5107 (Online)
Print publication date 15 Apr 2023
Received 02 Mar 2023 Revised 30 Mar 2023 Accepted 31 Mar 2023
DOI: https://doi.org/10.7735/ksmte.2023.32.2.92

티타늄 합금의 평엔드밀 가공 시 공구 방향에 따른 가공성 평가

박민석a ; 이훈희a ; 윤왕호a ; 김미루a, *
Evaluation of Cutting Performance Based on Tool Orientation during Solid Carbide End-milling of Ti-6Al-4V
Min-Suk Parka ; Hoon-Hee Leea ; Wang-Ho Yuna ; Mi-Ru Kima, *
aDongnam Division, Korea Institute of Industrial Technology

Correspondence to: *Tel.: +82-55-924-0122 E-mail address: mrkim@kitech.ac.kr (Mi-Ru Kim).

Abstract

Titanium alloys are classified as difficult-to-cut materials with poor machinability, leading to a continuous demand for the development of machining methods. For machining titanium alloys, various tool orientations can be employed based on the shape of the workpiece, such as the presence of an inclination angle. In this study, machining tests considering tool orientation were performed using a solid carbide end mill tool. The tool orientation was classified into three categories with inclination angles of 90° (Reference ), 45° (Upward), and 135° (Downward). The machining tests indicated that the Reference orientation exhibits the longest tool life and best surface roughness. Conversely, the Upward orientation exhibited the shortest tool life, while the Downward orientation exhibited the poorest surface roughness. When considering the Upward and Downward cases, the contact length between the cutting edge and the material becomes longer due to the inclination angle during machining, which in turn affects cutting performance.

Keywords:

Tool orientation, Cutting force, Tool wear, Surface roughness, Titanium alloy

Acknowledgments

이 연구는 .한국생산기술연구원 기관주요사업 “현장설비 부착형 극저온 통합가공시스템 개발(4/4) (kitech EH-23-0011)”의 지원으로 수행한 연구입니다.

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Min-Suk Park

Ph.D. Student in the Precision Mechanical Process and Control R&D Group, Dongnam Division, Korea Institute of Industrial Technology. His research interest is Machining Process.

E-mail: msparker8@kitech.re.kr

Hoon-Hee Lee

Senior Researcher in the Precision Mechanical Process and Control R&D Group, Dongnam Division, Korea Institute of Industrial Technology. His research interest is Machine Tool Metrology.

E-mail: hhlee84@kitech.re.kr

Wang-Ho Yun

Researcher in the Precision Mechanical Process and Control R&D Group, Dongnam Division, Korea Institute of Industrial Technology. His research interest is Machining Process.

E-mail: whyun@kitech.re.kr

Mi-Ru Kim

Senior Researcher in the Precision Mechanical Process and Control R&D Group, Dongnam Division, Korea Institute of Industrial Technology. His research interest is Process Monitoring.

E-mail: mrkim@kitech.re.kr