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LBCC of Transient State for High Strength Steel in Hot Strip Mills

열연 고강도강의 비정상부 온도제어를 위한 LBCC 개발

  • 박철재 (대구대학교 기계자동차공학부) ;
  • 윤강섭 (대구대학교 기계자동차공학부)
  • Received : 2010.11.30
  • Accepted : 2011.01.17
  • Published : 2011.04.01

Abstract

In this paper, a LBCC (Latter Bank Cooling Control) for the high strength steel is proposed to obtain the desirable temperature and the property of the material along the longitudinal direction of the steel on the ROT (Run-Out Table) process. A cooling valve is modeled to analyze the response of the ROT banks. The control concept is derived from a field data, a valve model considering the valve response and a TTT (Time-Temperature Transformation) diagram. The proposed control is verified from the simulation results under the various carbon quantities. It is shown through the field test of the hot strip mill that the deviation of the CT (Coiling Temperature) is considerably decreased by the proposed temperature control.

Keywords

References

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