Crossbow correction device, molten metal plating facility, and crossbow correction method
AssigneePrimetals Technologies Japan, Ltd.
InventorsTakashi YONEKURA, Masao TAMBARA, Masashi YOSHIKAWA
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Abstract
A crossbow correction device 16 for correcting crossbow of a steel strip S by a magnetic force during conveyance includes a plurality of electromagnets 57a to 57d, 67a to 67d arranged in a strip width direction of the steel strip S and facing each other so as to sandwich the steel strip S in a strip thickness direction, a moving mechanism 51 to 54, 61 to 64 capable of moving the electromagnets 57a to 57d, 67a to 67d relative to the steel strip S, and a controller 17 configured to operate the moving mechanism 51 to 54, 61 to 64, based on a current value flowing through the electromagnets 57a to 57d, 67a to 67d.
Claims13
A crossbow correction device for correcting crossbow of a steel strip by a magnetic force during conveyance, comprising:
- a plurality of electromagnets arranged in a strip width direction of the steel strip and facing each other so as to sandwich the steel strip in a strip thickness direction;
- a moving mechanism capable of moving the electromagnets relative to the steel strip;
- and
- a controller configured to operate the moving mechanism, based on a current value flowing through the electromagnets.
A crossbow correction method for correcting crossbow of a steel strip by a magnetic force during conveyance, comprising:
- arranging a plurality of electromagnets in a strip width direction while the plurality of electromagnets face each other so as to sandwich the steel strip in a strip thickness direction, and
- moving the electromagnets relative to the steel strip, based on a current value flowing through the electromagnets.
Dependencies are inferred from the claim text.