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Device for manufacturing aluminum alloy plate for lithographic printing plate

An aluminum alloy plate and aluminum alloy technology, applied in the manufacture of aluminum alloy plates for lithographic printing plates, and in the field of manufacturing devices for aluminum alloy plates for lithographic printing plates, can solve problems such as continuous casting plate failures, and achieve the effect of improving surface quality

Inactive Publication Date: 2010-06-23
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] Although adopting such a mechanism can prevent the TiB moving near the bottom of the molten metal 2 Agglomerated particles are mixed into the cast plate, but there is still a problem of continuous cast plate failure

Method used

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  • Device for manufacturing aluminum alloy plate for lithographic printing plate
  • Device for manufacturing aluminum alloy plate for lithographic printing plate
  • Device for manufacturing aluminum alloy plate for lithographic printing plate

Examples

Experimental program
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Embodiment Construction

[0039] Hereinafter, the present invention will be described with reference to the drawings.

[0040] figure 1 It is a front view showing one embodiment of the continuous casting rolling apparatus used in the manufacturing method of the aluminum alloy plate for lithographic printing plates of this invention. exist figure 1 In , the wall surface on the front side of the figure is omitted. Furthermore, this also applies to all front views of the application.

[0041] exist figure 1 In the shown continuous casting and rolling apparatus 1, aluminum alloy molten metal (hereinafter referred to as "Al molten metal") that is adjusted to a desired composition by melting raw aluminum and adding Fe, Si, etc. is stored in a melting and holding furnace 2. ”)100. As a method of adding Fe, Si, etc., methods such as adding a master alloy of Al—Fe (25 wt %) and a master alloy of Al—Si (25 wt %) are mentioned, for example. A preferable composition of the Al molten metal will be described l...

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Abstract

The invention provides a device for manufacturing an aluminum alloy plate for a lithographic printing plate which can avoid the faults on a continuous casting plate which are not caused by mixing TiB2 cohesion grains moving near to the bottom of a molten metal. A continuous casting device for the aluminum alloy plate at least comprises a molten metal supplying nozzle having a molten metal flow path inside, a pair of cooling rollers supplied with aluminum alloy molten metal by the molten metal supplying nozzle, and a container for supplying the aluminum alloy molten metal to the molten metal supplying nozzle. The continuous casting device for the aluminum alloy plate is characterized in that the upstream side of the molten metal supplying nozzle is provided with a mechanism for capturing the foreign matters existed on the surface of the aluminum alloy molten metal.

Description

technical field [0001] The present invention relates to a manufacturing device of an aluminum alloy plate for lithographic printing plates. Moreover, this invention relates to the manufacturing method of the aluminum alloy plate for lithographic printing plates using this manufacturing apparatus of the aluminum alloy plate for lithographic printing plates. Furthermore, this invention relates to the aluminum alloy plate for lithographic printing plates obtained by the manufacturing method of the support body for lithographic printing plates. Background technique [0002] The method of manufacturing an aluminum alloy plate for lithographic printing plates based on the continuous casting method is to produce a plate thickness of 0.1 to 0.5 through the following casting process, cold rolling process, intermediate annealing process, finish cold rolling process, and flatness correction process. The manufacturing method of an aluminum alloy plate for a lithographic printing plate ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D11/06B21B1/46B41N1/08
Inventor 松浦睦泽田宏和上杉彰男
Owner FUJIFILM CORP
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