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대구경 곡관 두께감소율 제어를 위한 온도점프 벤딩 공정의 최적화에 관한 연구open accessStudy on Optimization of Temperature Jump-Bending Process for Reducing Thickness Attenuation of Large-Diameter Steel Pipe
- Other Titles
- Study on Optimization of Temperature Jump-Bending Process for Reducing Thickness Attenuation of Large-Diameter Steel Pipe
- Issue Date
- 2015
- Publisher
- 한국기계가공학회
- Keywords
- Thickness Attenuation(두께감소율); Bending(벤딩); High Frequency Heating(고주파 가열); Large Diameter Steel Pipe(대구경 강관); Optimization(최적화)
- Citation
- 한국기계가공학회지, v.14, no.4, pp 21 - 27
- Pages
- 7
- Indexed
- KCI
- Journal Title
- 한국기계가공학회지
- Volume
- 14
- Number
- 4
- Start Page
- 21
- End Page
- 27
- ISSN
- 1598-6721
2288-0771
- Abstract
- Induction bending is a method that allows the bending of any material that conducts electricity. This technology applies a bending force to a material that has been locally heated by an eddy current induced by a fluctuating electromagnetic field. Induction bending uses an inductor to locally heat steel through induction. This results in a narrow heat band in the shape to be bent. In general, the reduction of thickness attenuation of a large-diameter steel pipe is not allowed to exceed 12.5%. In this paper, in order to meet the standard of thickness attenuation reduction, a non-uniform heating temperature jump-bending process was investigated. As a result, the developed bending technique meets the requirements of thickness attenuation reduction for large-diameter steel pipes.
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