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Wireless Transmission Pipe Ultrasonic Flaw Detector

The system is suitable for the automatic detection of various internal and external defects of steel pipes. The principle of ultrasonic flaw detection is that after the ultrasonic wave is coupled into the steel pipe through water, the incident propagation will cause ultrasonic reflection when there is a defect in the pipe. The ultrasonic instrument will alarm the ultrasonic reflected signal after realizing the signal to realize the automatic detection of the defect; Transmission ultrasonic equipment is currently the advanced detection equipment in China.

 

Wireless Transmission Ultrasonic Pipe Testing Equipment Introduction

 

Rotating probe configuration

 

  1. Probe configuration on the spindle section 1

 

A total of 3 probe adjustment frames are placed on section 1 at 120°apart.  Each of the adjustment frames is equipped with a 2-channel combined ultrasonic line focusing longitudinal probe to detect longitudinal defects of the steel tube in a clockwise direction.

 

Detection of defects: Vertical and vertical defects in the steel pipe are detected in a clockwise direction.

 

Center frequency: 5.0MHz±10%

 

Coupling method: water immersion method

 

Quantity: 3 sets of probes, each consisting of 2 wafers. These 3 sets of probes are evenly distributed in the circumferential direction of the workpiece, spaced 120° apart, on the same section. A total of 6 channels of water immersion probes.

 

2.Probe configuration on the main shaft section2

 

A total 3 probe adjustment frames are placed on section2, separated by120°, and a 2-channel combined ultrasonic line focusing longitudinal probe is arranged on each adjustment frame to detect longitudinal defects of the steel pipe counterclockwise.

 

Detection of defects: counter-clockwise detection of longitudinal defects inside and outside the steel pipe.

 

the center frequency: 5.0MHz ± 10%

 

coupling method: water immersion method

 

Quantity: 3 sets of probes, each consisting of 2 wafers. These 2 sets of probes are evenly distributed in the circumferential direction of the workpiece, spaced 120° apart, on the same section. A total of 6 channels of water immersion probes.

 

Defect detection standard

 

Inspection of Longitudinal and Transverse Defects in Ultrasound Steel Pipe: GB/T5777-2008 L2(C5) Standard

 

Wireless Transmission Pipe Ultrasonic Flaw Detector Performance 

 

Number of channels

12 channels

Flaw detection speed

40m / min

Total gain

100dB,step 0.5dB

Working mode

Single probe transmitting, receiving or dual probe

transmitting and receiving separately

Sensitivity margin

≥50dB

resolution

≥26dB

Dynamic range

≥30dB

Scanning range

0~5000mm

Frequency range

0.5~20MHz

Sampling range

250MHz

Repeat frequency

Signal channel100Hz~4KHzadjustable

Vertical linearity

≤2%

Horizontal linearity

≤1%

Detection method

Full-wave, positive half-wave , negative half-wave

Gate setting

3 gates per channel, A and B are defect gates, and c is an

Interface tracking gate

Alarm indication

Alarm color display and audible alarm for each

channel A, B, C

Delay alarm

Two ways, Delay time0.1~10S, step 0.1S waveform storage,

the unlimited number for waveform playback, printing

and report generation

 

BKN is an eddy current testing benchmark enterprise and has long been committed to the development and production of bearing hardness and crack eddy current screening equipment. Always feel free to inquiry!

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