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In modern industrial manufacturing, eddy current testing technology has become an important tool for ensuring the surface quality of forged steel rolls. Eddy current roll surface detection is based on...
This system is suitable for automatic detection of various tube and bar defects. The principle of ultrasonic flaw detection is that the ultrasonic wave enters the tube/rod after water coupling, and the incident wave propagates. When there is a defect in the tube, the ultrasonic reflection will be caused. The ultrasonic instrument will report the ultrasonic reflected signal to the real-time alarm after the amplified signal processing,and realize the automatic detection of the defect.
This machine integrates encircle eddy current testing and rotary ultrasonic testing,which is able to test seamless steel pipes and stainless steel weld pipes longitudinal defects,transverse defects on tube external surface, internal surface, and defects within wall thickness. The machine can also check lamination and wall thickness measurement as well as steel grade separation.
TECHNICALPARAMETERS :
Number of channels: 4 ~ 32 channels
Test speed: 2~40m/min
Working mode: single probe transmiting, 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: single channel 100Hz ~ 4KHz adjustable
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 defective gates, and C is interface tracking gate
Alarm indication: A, B, C gate alarm color display and audible alarm
Delay alarm: divided into two ways, delay time 0.1 ~ 10S, step 0.1S
Waveform storage, unlimited number, for waveform playback, printing and report generation
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