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Wireless transmission steel bar ultrasonic flaw detector

Wireless transmission steel bar ultrasonic flaw detector

Steel bar is a conventional product with high density, moderate noise. The system is suitable for automatic detection of internal and external defects of various steel bars. The principle of ultrasonic flaw detection is that when the ultrasonic wave is coupled into the steel bar by water, the incident propagation will cause the ultrasonic reflection when there is a defect in the bar. The ultrasoni...

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Product introduction

Probe configuration
1. Probe Configuration on Spindle Section 1
There are two probe regulators on 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 Defects: Clockwise Detection of Subcutaneous Defects of Round Steel
Central Frequency: 5.0MHz + 10%
Coupling mode: water immersion method
Quantity: Two groups of probes, each containing two combinations of wafers, the two groups of probes are distributed in the circumferential direction of the workpiece, with an interval of 180 degrees, on the same cross-section. There are four independent channels.

2. Probe Configuration on Spindle Section 2
There are two probe regulators on section 2, each 180 degrees apart. Each regulator is equipped with a two-channel combination of ultrasonic line focus probes, longitudinal wave incidence.
Testing defects: metallurgical defects inside steel bars.
Detection range: central cross-hole.
Central Frequency: 5.0MHz + 10%
Coupling mode: water immersion method
Quantity: Two groups of probes, each consisting of two combinations of wafers, are distributed in the circumferential direction of the workpiece with an average interval of 180 degrees and four independent channels on the same cross-section.

3. Probe Configuration on Spindle Section 3
There are two probe regulators on section 3, each 180 degrees apart. Each regulator is equipped with a two-channel combination of ultrasonic line-focus probes, which incident transverse waves counterclockwise.
Detection Defects: Detection of Subcutaneous Defects of Round Steel Counterclockwise
Central Frequency: 5.0MHz + 10%
Coupling mode: water immersion method
Quantity: Two groups of probes, each consisting of two combinations of wafers, are distributed in the circumferential direction of the workpiece with an average interval of 180 degrees and four independent channels on the same cross-section.



Defect detection standard
Ultrasound Testing Method for Forged Rolled Steel Bars GB/T4162-2008

Performance

Channel number
12 channels
Flaw detection speed
30m/min
Total gain
100dB,side size 0.5dB
Operation mode Single-probe transmitting, receiving or double-probe transmitting and receiving respectively
Sensitivity margin
≥50dB
Resolving rate ≥26dB
Dynamic range
≥30dB
Scan range
 0~5000mm
Frequency range
0.5~20MHz
Sampling range
 250MHz
Repetition rate
Single channel 100Hz~4KHz adjustable
Vertical linearity
≤2%
Horizontal linearity
≤1%
Detection mode
Full wave, positive half wave and 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 in Each Channel
Delayed alarm
Two paths, delay time 0.1-10S, step 0.1S
Waveform storage, unlimited number, waveform playback, printing and report generation
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