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

The Korean Society for Technology of Plasticity and materials processing (한국소성∙가공학회)
권호 표지

Development of Rollgap Simulator and Its Application to Draft Schedule Adjustment

롤갭 시뮬레이터의 개발과 패스스케쥴 개선

  • Ahn Jaehwan (Automation R&D Team, Tech. Research Labs., Dongbu Steel) ;
  • Lee Youngho (Automation R&D Team, Tech. Research Labs., Dongbu Steel) ;
  • Lee In-Woo (Cold Rolling Part, Surface Treatment Team, Incheon Works, Dongbu Steel)
  • 안재환 (자동화연구팀, 기술연구소, 동부제강) ;
  • 이영호 (자동화연구팀, 기술연구소, 동부제강) ;
  • 이인우 (냉연 파트, 표면처리강판팀, 인천공장, 동부제강)
  • Published : 2004.08.01
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Abstract

A fast, accurate model for calculating roll gap variables are critical to the implementation of computer based automation systems for cold rolling mills. Based on the work of Fleck and Johnson, rollgap simulator with non-circular arc model was developed using the influence function. This developed model is capable of predicting values of force, torque and slip which can be applied over the wide range of rolling conditions including cold rolling/DR/temper mill with high execution speed. Friction coefficient was obtained as a function of operation conditions through analyzing measured data. After combination of rollgap simulator with production strategy, draft schedule for No.3 RCM (Reversible Cold Rolling Mill) in Incheon works of Dongbu Steel was developed. This draft schedule will be installed in the setup computer of No.3 RCM replacing old Hitachi model.

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