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    • 1. 发明专利
    • METHOD AND DEVICE FOR ALIGNING STRIP METAL COIL
    • JPH09267127A
    • 1997-10-14
    • JP7580296
    • 1996-03-29
    • KAWASAKI STEEL CO
    • IIZUMI TAKECHIKAAKIZUKI TOSHIOSAITO TERUHIRO
    • G01B21/24B21C47/24
    • PROBLEM TO BE SOLVED: To correctly enable aligning even when there is a disorder on the outer peripheral shape of the coil by measuring the weight and the width of the strip metal coil, operating the outside diameter of the coil by using measured values, giving an alignment distance to a coil lifter by using an operated result, and controlling elevating and lowering. SOLUTION: The coil 1 is placed on a weighting part 4 and coil weight W is measured. Next, the coil 1 is placed on a coil transfer means 6, and when it passes through a width measuring part 5, after a coil width B is measured, it is placed on a coil lifter 9. The measured coil weight W and coil width B are sent to an arithmetic and control part 7, and an alignment distance X is found by the arithmetic and control part 7. The alignment distance X is given to an actuator 12, and control to the coil lifter 9 is started. Simultaneously with the control start, the pisition of a hydraulic cylinder 11 is elevated and lowered by the alignment distance X and is stopped. Consequently, the coil lifter 9 is elevated and lowered by the alignment distance X and alignment is completed.
    • 2. 发明专利
    • METHOD FOR JETTING DETERGENT
    • JPH09262607A
    • 1997-10-07
    • JP7454296
    • 1996-03-28
    • KAWASAKI STEEL CO
    • MATSUNAGA MITSUMASAOGAWA MITSURUAKIZUKI TOSHIO
    • B08B3/02B21B1/22B21B28/04
    • PROBLEM TO BE SOLVED: To remove foreign matters in a short time by jetting roll detergent to the contact part between a work roll and a back-up roll from the downstream side of the work roll, forming liquid pools and removing the foreign matters by dissolving the foreign matters on the roll surfaces. SOLUTION: The surface of a sheet is inspected on the outlet side of a strip 10 to which temper rolling is applied and the dirt on the roll is detected. Jetting nozzles 5 are provided on the back sides of the contact parts 13 between the work rolls 11 and the back-up rolls 12 of stands 1, 2 and the detergent is fed from a roll-detergent tank 7 with a pump 6. When the information of the dirt of the roll is outputted, automatic valves 4 are opened and the roll detergent is jetted from the nozzles 5 to the rolls, the liquid pools 9 are formed in the contact parts 13 between the work rolls 11 and the back-up rolls 12 and the dirt on the rolls are dissolved and removed. Like this, the foreign matters removing action is begun immediately after confirming the sticking of the foreign matters, so defects are minimized and dangerous manual works in a rolling mill are eliminated.