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Ultrasonic Flaw Detector, Ultrasonic Flaw Detector, Manufacturing Method of Welded Steel Pipe, and Quality Control Method of Welded Steel Pipe
Ultrasonic Flaw Detector, Ultrasonic Flaw Detector, Manufacturing Method of Welded Steel Pipe, and Quality Control Method of Welded Steel Pipe
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机译：超声波探伤仪，超声波探伤仪，焊接钢管的制造方法以及焊接钢管的质量控制方法
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摘要
The ultrasonic flaw detecting apparatus 1 is provided with an ultrasonic welding apparatus 1 for welding a focused ultrasonic wave in a tube axis direction through a wedge 3 at a position on the outer circumferential surface of a welded steel pipe S capable of making an ultrasonic wave incident perpendicularly to the welding root surface, A matrix array probe 2 for transmitting the ultrasound waves reflected from the welding route surface to the root plane and receiving the ultrasonic waves reflected on the welding route plane, and an ultrasonic transmission / reception unit 2 for controlling the matrix array probe 2 to receive reflected waves of the ultrasonic waves reflected on the welding route plane And an evaluation unit 5 for detecting plane defects based on reflected waves of the ultrasonic waves received by the ultrasonic transmitting and receiving unit 4. [
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