Wireless Transmission Steel Bar Ultrasonic Flaw Detector

Steel bar is a conventional product with high density, moderate noise. The system is suitable for the automatic detection of internal and external defects of various steel bars.

The principle of UT ultrasonic flaw detection is that after the ultrasonic wave is coupled into the steel rod by water, the incident propagation will case ultrasonic reflection when there is a defect in the bar. The ultrasonic instrument will alarm the ultrasonic reflected signal after the amplified signal to realize the automatic detection of the defect.

Wireless Transmission Steel Bar Ultrasonic Flaw Detector Brief Introduction

There are two probe regulators in section 1,180 degrees apart. Each regulator is equipped with a two-channel combination of ultrasonic line focus probes, and the transverse wave incident clockwise.

Detection of defects: detection of round subcutaneous defects in a rounded clockwise direction

Center frequency: 5.0MHz ± 10%

Coupling method: water immersion method

Quantity: 2 sets of probes, each set consisting of 2 combined wafers, which are evenly distributed in the circumferential direction of the workpiece, 180° apart, on the same section. A total of 4 independent channels.

A total of 2 probe adjustment frames are placed on section 2, each separated by 180°, and a 2-channel combined ultrasonic line focusing probe is arranged on each adjustment frame, and the longitudinal wave is incident.

Detection of defects: metallurgical defects inside the steel bar,

Detection range: center transverse hole.

Center frequency: 5.0MHz ± 10%

Coupling method: water immersion method

Quantity: 2 sets of probes, each consisting of 2 combined wafers. These 2 sets of probes are evenly distributed in the circumferential direction of the workpiece, 180° apart, and there are 4 independent channels in the same section.

A total of 2 probe adjustment frames are placed on section 3, each separated by 180°, and a 2-channel combined ultrasonic line focusing probe is arranged on each adjustment frame, and the transverse wave is incident counterclockwise.

Detection of defects: counter-clockwise detection of round subcutaneous defects

Center frequency: 5.0MHz ± 10%

Coupling method: water immersion method

Quantity: 2 sets of probes, each consisting of 2 combined wafers. These 2 sets of probes are evenly distributed in the circumferential direction of the workpiece, 180° apart, and there are 4 independent channels in the same section.

Defect detection standard

GB/T4162-2008 Ultrasonic testing method for forged steel bar.

Wireless Transmission Steel Bar Ultrasonic Flaw Detector Parameters

Channel number	12 channels
Flaw detection speed	30m/min
Total gain	100dB，step0.5dB
Working mode	Single probe transmitting, receiving or double probe transmitting and receiving respectively
Sensitivity margin	≥50dB
Resolving power	≥26dB
Dynamic range	≥30dB
scan range	0～5000mm
Frequency range
Sampling range	250MHz
Repetition range	Single channel100Hz～4KHzadjustment
Vertical linearity	≤2%
Horizontal linearity	≤1%
Detection mode	Full-wave, positive half-wave, negative half-wave
Gate setting	Each channel has three gates, A and B are defective gates and C are interface tracking gates.
Alarm indication	Color Display and Sound Alarm of A, B and C Gate Alarm on Each Channel
Delayed alarm	Two path,delay time 0.1-10s,step 0.1s
Waveform storage, unlimited number, waveform playback, printing and report generation.

BKNprovides ndt device,ultrasonic metal testing equipment,ultrasonic bar testingand ultrasonic metal testing,contact us now.

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