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介绍了数字式超声波探伤仪K值的测量方法。重点论述了时基线的精确调试及距离-波幅曲线制作过程,用实例加以说明。并对时基线调试中产生偏差的原因进行了分析。
The method of measuring K value of digital ultrasonic flaw detector is introduced. This article focuses on the precise debugging of the time base line and the process of making the distance-amplitude curve. The reasons for the deviation in the debugging of the baseline are analyzed.