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Recoiling facility of magnesium alloy sheets

A magnesium alloy and sheet technology, which is applied in the field of rewinding equipment for magnesium alloy sheets, can solve the problem of non-leveling, and achieve the effect of preventing cracks and maintaining quality

Inactive Publication Date: 2010-09-01
IHI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the leveler disclosed in this patent document 5 is used for shape correction of thin plate strips, the leveler is used to remove residual stress, but does not perform leveling in a warm state where the billet is heated.

Method used

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  • Recoiling facility of magnesium alloy sheets
  • Recoiling facility of magnesium alloy sheets
  • Recoiling facility of magnesium alloy sheets

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] Hereinafter, one embodiment of the present invention will be described with reference to the drawings.

[0039] figure 1 and figure 2 It is a front view and a plan view showing the structure of the magnesium alloy sheet rewinding facility 100 of this embodiment.

[0040] Such as figure 1 and figure 2 As shown, the rewinding equipment 100 includes an uncoiler 1 , a trimmer 2 , a coiler 3 , a heating furnace 4 , a scrap coiler 5 and a leveler 6 .

[0041] First, the coil C is manufactured by hot-rolling a magnesium alloy sheet, and an extra-long magnesium alloy sheet S is wound around a fixed mandrel.

[0042] The uncoiler 1 includes a support portion rotatably supporting both ends of a fixed mandrel and a drive source for rotating the fixed mandrel in the uncoiling direction of the magnesium alloy sheet S, and holds the coil C so that it can be uncoiled.

[0043] The edge trimmer 2 includes a pair of side edge cutters 2a and 2b facing each other at a predetermined...

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PUM

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Abstract

A recoiling facility of magnesium alloy sheet comprises a rewinding machine (1) for making a coil material (C) of magnesium alloy wound around a fixed mandrel rewindable, a furnace (4) for heating a magnesium alloy sheet (S) rewound from the coil material (C) to a predetermined temperature, a leveler (6) for correcting the poor profile of the magnesium alloy sheet (S), a trimmer (2) for trimming the opposite side edges of the sheet, and a winding machine (3) for rewinding the magnesium alloy sheet (S). The coil material where the magnesium alloy sheet is wound around the fixed mandrel is rewound and the fixed mandrel is removed, and then crack portion and poor profile portion occurring at the plate width end portion by multipass rolling are leveled and trimmed thus producing a high quality production coil.

Description

technical field [0001] The invention relates to rewinding equipment for magnesium alloy thin plates. [0002] This application claims priority based on Japanese Patent Application No. 2007-269059 filed in Japan on October 16, 2007, the contents of which are incorporated herein by reference. Background technique [0003] Thin cast metal sheets that have been rolled through multiple passes often have cracks or poor shapes at both width edges. When such a thin cast metal sheet is shipped as a product, both width edges are trimmed to a predetermined width, and cracks and shape defects are removed, so that it can be shipped as a product. [0004] Conventional examples of apparatuses that perform the above-mentioned processing are disclosed, for example, in the following Patent Documents 1 to 4. [0005] Patent Document 1 discloses a scrap baller capable of simplifying the structure of the device and reducing the manufacturing cost and maintenance management cost of the device. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21C47/26B21C47/08B21C47/18
CPCB21C47/18B21C47/26B21C47/04B23D19/06
Inventor 田添信广本城恒松村英夫箭内胜彦箭内良行
Owner IHI CORP