Application Areas
This equipment is mainly used in the aerospace and aviation and other fields of the bar raw material testing.
Testing process
Adopting the detection method of rotating the bar in place and advancing the probe along the axial direction of the bar in a straight line. Using a group of focusing probes with different focal lengths, a certain range of overlapping coverage in the depth direction, to ensure that the entire detection depth covered by focusing beam.
Testing Standards
◆ GB/T 9445 Accreditation and certification of non-destructive testing personnel
◆ GB/T 18694 Non-destructive testing Ultrasonic inspection probes and their sound field characterization
◆ GB/T 36439 Non-destructive testing Qualification and certification of aviation non-destructive testing personnel
◆ ASTM E1065 Ultrasound Probe Performance Evaluation Methods Guide
◆ GB/T 40324 Non-destructive testing Focused ultrasonic testing method for large diameter round bars
◆ AMS-STD-2154 Ultrasonic Inspection Procedure for Forged Metal
◆ AMS-STD-2154 Ultrasonic Inspection Procedure for Forged Metal
◆ AMS 2628 Ultrasonic Liquid Immersion Inspection of High Grade Titanium and Titanium Alloy Billets
Mechanical structure form
It adopts the method of rotating roller conveyor embedded in the water tank, with a linear track attached to the water tank. During the process, the flaw detection vehicle is set up on the track and the bars rotate in place on the rotating roller conveyor.
System software
The software has independent C-scan imaging function for each partitioned probe and C-scan imaging function for the whole probe.
With secondary evaluation function
Equipped with probe beam measurement function
Compensation for differences in material attenuation
With data analysis function
Technical specification
Bar diameter: φ100~600mm
SNR ratio: ≥12dB
Stability: ≤1dB
Omission rate: 0
Technical Advantages
◆ Can realize the detection of bars made of various materials (titanium, titanium alloy, high temperature alloy).
◆ Can realize A, B, C, D scanning, can be analyzed offline, change the discrimination rules of data reprocessing.
◆ Adoption of double curvature special probe realizes high precision detection of large range surfaces (up to FBH0.4mm).
◆ Realize static and dynamic defective wave height variation of 1dB.
◆ It can realize the determination of the effective acoustic beam of the probe and has the function of material attenuation compensation.
◆ The detection vessels can be moved outside the sink for easy maintenance of the probe and probe holder section.
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