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    • 4. 发明授权
    • Process for early detection of damage to machine parts
    • 早期检测机器零件损坏的过程
    • US5058434A
    • 1991-10-22
    • US485586
    • 1990-02-27
    • Jorg Zaschel
    • Jorg Zaschel
    • G01N29/12G01N29/44G01N29/52
    • G01N29/4436G01N29/12G01N29/449G01N29/52
    • In a process for early detection of damage top machine parts, particularly rolling element bearings, vibrations are detected by means of a vibration pickup in order to make it possible to describe the present condition of the machine part as well as to estimate the remaining service life of the machine part. The picked-up signals are broken down into periodically determined stochastic and generally stochastic signal components. The signal components for determining the parameters for the stress of the machine part are examined as a function of time and the ascertained stress parameters are compared with characteristics values for the permissible stress of the machine part for purposes of determining the type of damage and/or for determining the extent of the damage.
    • 在早期检测损坏顶部机器部件,特别是滚动元件轴承的过程中,通过振动拾取器检测振动,以便能够描述机器部件的当前状态以及估计剩余使用寿命 的机器部分。 拾取的信号被分解为周期性确定的随机和通常的随机信号分量。 用于确定机器部件的应力参数的信号分量作为时间的函数进行检查,并且将确定的应力参数与用于确定损坏类型的目的的机器部件的允许应力的特性值进行比较和/或 用于确定损坏的程度。