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한국생산제조학회 학술지 영문 홈페이지
[ Papers ]
Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 31, No. 4, pp.263-270
ISSN: 2508-5107 (Online)
Print publication date 15 Aug 2022
Received 07 Jul 2022 Revised 22 Jul 2022 Accepted 26 Jul 2022
DOI: https://doi.org/10.7735/ksmte.2022.31.4.263

진동을 고려한 보빈 홀더의 전산모사 모델의 개발

김종윤a ; 강지완a ; 김성걸b, *
Development of a Computer Simulation Model for Bobbin Holders Considering Vibrations
Jong Yun Kima ; Ji Wan Kanga ; Seong Keol Kimb, *
aDepartment of Mechanical Design and Robot Engineering, Seoul National University of Science and Technology
bDepartment of Mechanical System Design Engineering, Seoul National University of Science and Technology

Correspondence to: *Tel.: +82-2-970-6855 E-mail address: rhett@seoultech.ac.kr (Seong Keol Kim).

Abstract

The goal of this study is to develop an FE model for bobbin holders which wind the fiber. It comprised 25 components. Under mechanical assumption, it was simplified and approximated to 8 components. The equivalent stiffness of three types of bearings in a bobbin holder were obtained using compression tests. The main natural frequency of a precision model without a chuck was 17.82 Hz in mode 1 and 102.95 Hz in mode 3. The results of simulation and experimental analysis by modal testing were very similar within 2%. To obtain a more precise FE model, optimization for equivalent stiffness of the 6011 bearing was applied to modal analysis in the ANSYS. Finally, an FE model of a bobbin holder considering vibrations was developed.

Keywords:

Modal analysis, Bobbin holder, FE model, Vibration, Optimization

Acknowledgments

이 연구는 2022년도 정부(산업통상자원부)의 재원으로 한국산업기술진흥원의 지원을 받아 수행된 연구입니다(P0012744, 2022년 산업혁신인재성장지원사업).

본 연구는 ㈜일진의 지원받아 진행된 연구입니다.

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Jong Yun Kim

M.Sc. candidate in Department of Mechanical Design and Robot Engineering, Seoul Tech. His research interest is Machine Dynamics.

E-mail: 20510044@seoultech.ac.kr

Ji Wan Kang

Doctorial Graduate Student in Department of Mechanical Design and Robot Engineering, Seoul Tech. Her research interests are Machine Dynamics and Precision machining.

E-mail: jwkangims@gmail.com

Seong Keol Kim

Professor in Department of Mechanical System Design Engineering, Seoul Tech. His research interest is Machine Dynamics.

E-mail: rhett@seoultech.ac.kr