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DIAGNOSTIC METHOD FOR A BALL BEARING, IN PARTICULAR FOR AN ANGULAR-CONTACT BALL BEARING, A CORRESPONDING DIAGNOSTIC SYSTEM, AND USE OF THE DIAGNOSTIC SYSTEM
DIAGNOSTIC METHOD FOR A BALL BEARING, IN PARTICULAR FOR AN ANGULAR-CONTACT BALL BEARING, A CORRESPONDING DIAGNOSTIC SYSTEM, AND USE OF THE DIAGNOSTIC SYSTEM
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机译:球轴承的诊断方法,特别是角接触球轴承的诊断方法,相应的诊断系统以及诊断系统的使用
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摘要
In a diagnostic method for at least one ball bearing, in particular for an angular-contact ball bearing for bearing a rapidly rotating spindle, mechanical vibration caused by the respective angular-contact ball bearing is acquired by at least one vibration sensor and outputted as a corresponding vibration signal. At least one bearing characteristic, fundamental kinematic frequency dependent on a current bearing rotational frequency is determined by computation. A corresponding bearing frequency in a measurement frequency spectrum of the respective vibration signal is determined by measurement. A first diagnostic message is output when at least one of the determined bearing frequencies deviates by a respective prescribed frequency deviation from the corresponding computational fundamental kinematic frequency.
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