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Board warp correction device, molten metal plating equipment, board warp correction method

A warpage and plate thickness direction technology, applied in metal processing equipment, metal processing, metal material coating technology, etc., can solve problems such as plate warpage correction that cannot be made of steel plates

Active Publication Date: 2021-09-10
PRIMETALS TECHNOLOGIES JAPAN LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, there is a problem that, when the load applied to the part of the electromagnet reaches the maximum magnetic force that the electromagnet can generate, the warping of the steel plate cannot be properly corrected.

Method used

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  • Board warp correction device, molten metal plating equipment, board warp correction method
  • Board warp correction device, molten metal plating equipment, board warp correction method
  • Board warp correction device, molten metal plating equipment, board warp correction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] refer to Figure 1 to Figure 4 The structure of the hot metal plating facility equipped with the plate warpage correction|amendment apparatus of Example 1 of this invention is demonstrated.

[0034] Such as figure 1 As shown, in the molten metal plating apparatus 1, a plating bath 11 storing molten metal (molten metal) M is provided. The molten metal M adheres to the surface of the steel sheet S by the steel sheet S being transferred in the molten metal plating apparatus 1 traveling in the plating bath 11 (molten metal M).

[0035] In the plating bath 11, a sinker roll 12 supported rotatably and a plurality of ( figure 1 There are two) rollers 13,14 in the bath. The sinker roll 12 is one of a plurality of rolls around which the steel sheet S is wound, and the steel sheet S travels continuously through the plurality of rolls (including the sinker roll 12 ). It should be noted that, the steel sheet S traveling in the plating bath 11 (molten metal M) changes its travel...

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PUM

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Abstract

A plate warp correcting device (16) for correcting plate warp of a steel plate (S) being transported by magnetic force, comprising: a plurality of electromagnets (57a-57d, 67a-67d), which vary in thickness The way of sandwiching the steel plate (S) in the direction is opposed and arranged side by side along the plate width direction of the steel plate (S); the moving mechanism (51~54, 61~64), they can make the electromagnet (57a~57d, 67a to 67d) move relative to the steel plate (S); and a control unit (17) that controls the moving mechanism (51 to 54, 61~64) to control the action.

Description

technical field [0001] The present invention relates to a warpage correcting device for correcting warpage of a steel sheet, a molten metal plating facility provided with the warpage correcting device, and a warpage correcting method for correcting warpage of a steel sheet. Background technique [0002] In a facility for manufacturing a steel sheet, the steel sheet wound around a plurality of rolls is continuously advanced, and various treatments are applied to the continuous steel sheet. In such a steel sheet wound around a plurality of rolls, deformation (warping deformation) in the sheet width direction occurs due to contact with the rolls, tension, and the like. For this reason, in the above-mentioned facilities, a plate warpage correcting device for correcting the shape (plate warpage) of the steel plate in the plate width direction is provided. [0003] For example, in molten metal plating equipment that performs plating by immersing a steel sheet in molten metal, a s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C2/26B21D1/00B65H23/34
CPCB21D1/00B21D26/14C23C2/003C23C2/06C23C2/16C23C2/20C23C2/00344B21C51/00B65H23/34
Inventor 米仓隆丹原正雄吉川雅司
Owner PRIMETALS TECHNOLOGIES JAPAN LTD