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Aluminium base material hot continuous rolling process used in PS plate

An aluminum base material, hot continuous rolling technology, applied in printing process, printing plate, metal rolling, etc., can solve the problems of compound uniformity, electrolytic corrosion uniformity, corrosion metal shedding, local corrosion speed fluctuation, etc. Achieve the effect of fiber structure refinement, reduction of rolling times, improvement of shape and distribution

Active Publication Date: 2007-10-24
SOUTHWEST ALUMINUM GRP
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

The aluminum base material for PS plate produced by this production process is not very ideal in terms of compound uniformity and electrolytic corrosion uniformity, so there are still uneven corrosion phenomena such as local corrosion rate fluctuations and corrosion metal shedding, which makes the production process There is still room for improvement in the finished PS printing

Method used

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  • Aluminium base material hot continuous rolling process used in PS plate
  • Aluminium base material hot continuous rolling process used in PS plate
  • Aluminium base material hot continuous rolling process used in PS plate

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Embodiment Construction

[0016] The hot continuous rolling process of the aluminum base material for PS plates of the present invention will be further described below in conjunction with the accompanying drawings and specific examples.

[0017] 1. The hot continuous rolling process of aluminum base material for PS plate is as follows:

[0018] After the 520mm thick aluminum ingot is milled with 15mm on each side, it is heated in a pusher type continuous heating furnace to a metal temperature of 460-480°C, generally 470°C, and then kept for 1 hour and then rolled out of the furnace.

[0019] The hot rough rolling initial rolling temperature is 470°C, and the ingot is rolled from 495mm to 35mm plate after 11 rollings, and the 11 rolling process is as follows:

[0020] 495mm-475mm-450mm-415mm-365mm-305mm-245mm-185mm-135mm-95mm-60mm-35mm, the final rolling temperature is controlled at 360-380°C.

[0021] The hot finish rolling is rolled four times, and the process is as follows:

[0022] 35mm-20mm-11mm...

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Abstract

The invention relates a PS version aluminum base material heat rolling, then heat rough rolling then fine rolling, with previous rolling temperature starting from 470deg.C to 360-380deg.C finally after 11 times rolling, till 230-250deg.C after 4 times fine rolling. The aluminum base thermal rolling process is even in distribution and evasive, with electrolytic corrosion obviously better than that of traditional one.

Description

technical field [0001] The invention relates to a production method of an aluminum base material for a PS plate. By improving the hot continuous rolling process of the aluminum base material, the quality of the PS aluminum base material can be improved, and the sand required for the PS plate produced by it can be ensured. Mesh structure, size and uniform distribution. Background technique [0002] In the process of producing PS plates with aluminum substrates, the most important process is to electrolytically roughen the aluminum substrates to form the required grain structure, size and uniform distribution, so as to ensure the image restoration of printed products printed with the produced PS plates Good performance, high definition, rich colors. The quality of PS plate, especially the grain quality after electrolytic corrosion directly affects the quality of printed matter. [0003] At present, Southwest Aluminum Industry (Group) Co., Ltd. adopts the hot continuous rolli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B37/74B21B37/16B21B1/26B41N1/04
Inventor 赵世庆陈昌云尹晓辉游江海黄平卢永红郭金龙明文良陈代伦
Owner SOUTHWEST ALUMINUM GRP
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