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Method and device for monitoring chatter in twin drives of roll stands
Method and device for monitoring chatter in twin drives of roll stands
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机译:轧机机架双传动中颤振的监测方法和装置
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摘要
In chatter monitoring of twin drives of roll stands, vibrations of an upper drive and a lower drive are detected and monitored to determine whether a predetermined amplitude has been exceeded. If the amplitude has been exceeded, a chatter detection signal is generated. In order to prevent the chatter detection signal from being generated erroneously due to an operational pass vibrations, the frequencies of the vibrations of the upper drive and the lower drive are monitored for identity; when the frequencies are identical, the chatter detection signal is suppressed.
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