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阐述了模具质量及挤压和时效工艺对铝合金氧化着色质量的影响.对铝合金型材上诸多表面缺陷产生的原因进行了剖析.介绍了国内外在模具制造及挤压和时效工艺方面的发展动向.“,”The effect of die quality, extruding and aging technology on the quality ofaluminium alloy anodizing and coloring is reviewed. The causes of many defects on aluminium profileare analyzed. The current tendency of die, extruding and aging technology is intruduced.