Proceedings of the Korean Society for Technology of Plasticity Conference (한국소성가공학회:학술대회논문집)

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
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DYNAMIC SET-UP CONTROL OF TANDEM COLD MILL

연속압연기에서 OFF GAUGE 저감을 위한 DYNAMIC SET-UP 제어기술

  • 노호섭 (광) 냉연부, 포항제철(주)) ;
  • 최병조 (광) 냉연부, 포항제철(주)) ;
  • 조뇌하 (광) 냉연부, 포항제철(주)) ;
  • 이재훈 (광) 냉연부, 포항제철(주)) ;
  • 김익준 (광) 냉연부, 포항제철(주)) ;
  • 진철제 (광) 전기제어설비부 냉연제어팀, 포항제철(주)) ;
  • 박기영 (광) 전기제어설비부 냉연제어팀, 포항제철(주))
  • Published : 1999.08.01
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Abstract

In order to reduce the length of off-gauge at FGC(Flying gauge change) point, We adopted dynamic set up in No. 4 cold rolling mill. The conventional set-up of FGC(Flying gauge change) was calculated on the basis of preset values in the process control computer, so the difference between actual strip thickness and preset thickness cause long off-gauge. The dynamic SET-UP control was calculated on the basis of actual strip thickness of FGC(Flying gauge change) point from X-ray gauge of mill entry and No.i stand. We applied dynamic SET-UP control in September last year. Compare to the previous result, the length of off-gauge is reduced by about 36%.

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