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구조용 파이프 생산을 위한 새로운 점진적 롤 성형 공정 개발에 관한 기초 연구

Fundamental Study on the Development of a New Incremental Roll Forming Process for Structural Pipe Manufacturing

Journal of the Korean Society for Precision Engineering 2017;34(3):217-224.
Published online: March 1, 2017

1 전남대학교 기계공학과

2 ㈜금성산업 기술개발팀

3 한국생산기술연구원 그린가공공정그룹

1 Department of Mechanical Engineering, Chonnam National University

2 Research and Development Head Office, Keum Sung Industry

3 Green Manufacturing Process Technology Center, Korea Institute of Industrial Technology

#E-mail: imagineer@kitech.re.kr, TEL: +82-62-600-6200, FAX: +82-62-600-6099
• Received: September 13, 2016   • Revised: January 26, 2017   • Accepted: February 9, 2017

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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  • Effects of manufacturing methods and production routes on residual stresses of rectangular and square hollow steel sections: a review
    Mehari Zelalem Abathun, Jingtao Han, Wang Yu
    Archives of Civil and Mechanical Engineering.2021;[Epub]     CrossRef

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Fundamental Study on the Development of a New Incremental Roll Forming Process for Structural Pipe Manufacturing
J. Korean Soc. Precis. Eng.. 2017;34(3):217-224.   Published online March 1, 2017
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Fundamental Study on the Development of a New Incremental Roll Forming Process for Structural Pipe Manufacturing
J. Korean Soc. Precis. Eng.. 2017;34(3):217-224.   Published online March 1, 2017
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Fundamental Study on the Development of a New Incremental Roll Forming Process for Structural Pipe Manufacturing
Image Image Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Schematic diagrams of new incremental roll forming technology
Fig. 2 Principles of incremental pipe forming
Fig. 3 FE modeling for incremental roll forming
Fig. 4 True stress-strain curve of SUS304 material
Fig. 5 Simulation results for various pipes
Fig. 6 Evaluation of the proposed FE model
Fig. 7 FE simulation for multi-step forming
Fig. 8 Deflected wall
Fig. 9 Effect of number of roll sets on the cross-sectional forming
Fig. 10 Deflection according to number of roll sets
Fig. 11 Plastic strain on cross section of deformed pipe (3 roll sets and 6 roll sets with 200 mm spacing)
Fig. 12 Deflections at different distances between roll sets
Fig. 13 Comparison of plastic strain according to roll set spacing
Fig. 14 Experimental results of cross-sectional forming
Fig. 15 Experimental results of twisting and two dimensional bending with cross-sectional forming
Fundamental Study on the Development of a New Incremental Roll Forming Process for Structural Pipe Manufacturing
Material SUS304
Young’s modulus 136 GPa
Yield strength 214 MPa
Tensile strength 948 MPa
Uniform elongation 43%
Total elongation 45%
Table 1 Material properties of SUS304