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METHOD OF MANUFACTURING ALUMINUM ALLOY PLATE FOR LITHOGRAPHIC PRINTING PLATE, ALUMINUM ALLOY PLATE FOR LITHOGRAPHIC PRINTING PLATE OBTAINED THEREBY AND LITHOGRAPHIC PRINTING PLATE SUPPORT
METHOD OF MANUFACTURING ALUMINUM ALLOY PLATE FOR LITHOGRAPHIC PRINTING PLATE, ALUMINUM ALLOY PLATE FOR LITHOGRAPHIC PRINTING PLATE OBTAINED THEREBY AND LITHOGRAPHIC PRINTING PLATE SUPPORT
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机译:制造用于石版印刷板的铝合金板,由此获得的用于石版印刷板的铝合金板以及石版印刷板支持的制造方法
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摘要
In a method of manufacturing an aluminum alloy plate for a lithographic printing plate by continuous casting which includes feeding an aluminum alloy melt through a melt feed nozzle between a pair of cooling rollers and rolling the aluminum alloy melt while solidifying between the pair of cooling rollers, a vessel for feeding the aluminum alloy melt to the melt feed nozzle contains the aluminum alloy melt which is adjusted in such a manner that a vertical amplitude at a level of the aluminum alloy melt existing within the vessel is 10 mm or less. This manufacturing method is capable of obtaining an aluminum alloy plate for a lithographic printing plate with a uniform surface composition and manufacturing a lithographic printing plate support having no surface defect.
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