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本文对3A21.0状态铝合金板带表面产生油斑的问题进行了分析讨论,从冷轧过程、润滑剂性质及最终热处理三个方面查找出了产生油斑的原因,并给出了防止油斑产生的具体措施。
In this paper, the problem of oil spots on the surface of 3A21.0 aluminum alloy strip was analyzed and discussed. The causes of oil spots were found from three aspects of cold rolling process, lubricant properties and final heat treatment. Spot specific measures.