METHOD FOR CONTROLLING STRIP TENSION IN PROCESS LINE

• Main Authors: OKAMOTO AKIFUMI, OKA AKIYUKI, YONEYAMA HIDEYUKI, SUMIYA EIJI
• Format: Patent
• Language: English
• Published: 30.03.1988
• Subjects: AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL; CHEMISTRY; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUSMETALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHERTREATMENTS; MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING; MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL; METALLURGY; METALLURGY OF IRON; MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; PERFORMING OPERATIONS; PUNCHING METAL; ROLLING OF METAL; TRANSPORTING

PURPOSE:To stabilize the tension of a strip and to prevent the generation of flaws and rupture, by detecting the load currents of motors for driving rolls in a specific section and operating speed controllers for both the rolls by a speed commander at the time of conveying the metallic strip by many...