Plate width control method by edger roll

  • Inventors:
  • Assignees: Mitsubishi Electric Corp
  • Publication Date: September 03, 1980
  • Publication Number: JP-S55114412-A


PURPOSE: To let the width control of high accuracy be effected by setting the rough rolling mill edger roll opening in each edgering pass by considering the dog bone part width return amount of the rolling material. CONSTITUTION: In each edging pass, correct edger roll openings are calculated by using the respective parameters of the simple width spreading amount of the rolling material with rough rolling mill horizontal rolls, the various specifications of the finishing rolling mills and the respective edgering pass weight components of the rough rolling mill exit side target width determined from the exit side target plate width thereof and the dog bone part width return amount of the rolling material by the abovementioned rough rolling mill horizontal rolls, and based on these calculated values, the edger roll openings are set. According to this method, the more precise plate width controlling as compared to before may be done. COPYRIGHT: (C)1980,JPO&Japio




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