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棒材经天车磁盘吊运后,出现了大量的剩磁,通过对采集的现场数据进行分析,找到了剩磁产生的原因和分布特点,结合生产实际,采取了反向去磁,有效解决了棒材的剩磁问题。
A large amount of residual magnetism appeared after the bar was hoisted by the crane. By analyzing the collected field data, the causes and distribution characteristics of residual magnetism were found. Combining with the actual production, the reverse demagnetization was adopted to effectively solve the problem Remaining bar problems.