ROLLER LEVELER AND A METAL PLATE PROCESSING APPARATUS AND METHOD USING THE SAME TO PREVENT LEVELING ROLLS FROM BEING SCRATCHED DURING TRANSFER OF METAL PLATES

摘要

PURPOSE: A roller leveler and a metal plate processing apparatus and method using the same are provided to prevent scratch on leveling rolls due to slip between the leveling rolls and backup rolls by separating the leveling and backup rolls from each other during high-speed passage of a metal plate.;CONSTITUTION: A roller leveler comprises a plurality of leveling rolls(6,8), a plurality of backup rolls(7,9), a pressing cylinder(4), and a separating and contacting unit. The plurality of leveling rolls are arranged zigzag at the top and bottom of a passing line of metal plates to be corrected and rotate to correct and pass the metal plates. The pressing cylinder is interposed with the leveling rolls to press metal plates. The separating and contacting unit makes the leveling rolls separate from or in contact with the backup rolls.;COPYRIGHT KIPO 2013;[Reference numerals] (25) Control device