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Cause Analysis of Redundant Hot Rolled Pickled Sheet by Contract and Improvement Measures
Author(s): 
Pages: 32-34
Year: Issue:  5
Journal: BAOSTEEL TECHNOLOGY

Keyword:  合同余材材料申请投料系数;
Abstract: 热轧酸洗板合同余材的控制主要采用事后余材匹配(成品材料挂合同)以减少余材量.由于酸洗板品种规格不断拓展,通过成品匹配消化的余材有限.立足历史数据对热轧酸洗板合同余材产生原因进行深入分析,找出影响合同余材的主要因素有2个:材料申请计划板坯块数控制原则和酸洗工序投料系数.对材料申请计划流程详细分析后提出了板坯申请块数的优化方案,并统计分析了2004年新酸洗机组的合同规格和投料比数据,提出优化投料系数的改进方案.方案实施后,2005年月平均合同余材量较2000年降低484 t,降幅15.9%.
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