共查询到11条相似文献,搜索用时 46 毫秒
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针对热轧带钢停车斑的质量缺陷,分析了停车斑产生的原因,提出了新增倒车系统消除停车斑的改造方案,解决了酸轧联合机组长期难以解决的产品质量问题。 相似文献
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Transversal distribution of the steel strip thickness in the entry section of the cold rolling mill seriously affects to the flatness and transversal thickness precision of the final products. Pattern clustering method is introduced into the steel rolling field and used in the patterns recognition of transversal distribution of the steel strip thickness. The well-known k-means clustering algorithm has the advantage of being easily completed, but still has some drawbacks. An improved k-means clustering algorithm is presented, and the main improvements include: (1) the initial clustering points are preselected according to the density queue of data objects; and (2) Mahatanobis distance is applied instead of Euclidean distance in the actual application. Compared to the patterns obtained from the common k-means algorithm, the patterns identified by the improved algorithm show that the improved clustering algorithm is well suitable for the patterns' recognition of transversal distribution of steel strip thickness and it will be useful in on-line quality control system. 相似文献
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根据当前市场用户对普碳产品低材高用的要求,通过对罩式炉机组实际生产情况和现行退火工艺分析,对炉台装炉量及退火工艺中的加热温度、保温时间进行调整,在生产实践的基础上,进行了一系列工艺优化实验,进而提高DC01产品延伸性能,满足客户使用要求,建立一套完善的退火工艺制度。 相似文献