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Eddy current testing manufacturers follow a wide range of physical knowledge

2020-12-04 11:29:54
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Principle of ultrasonic flaw detector is: ultrasonic spread during the inspection of raw materials as raw materials of the acoustic material characteristics and the change of internal mechanism of ultrasonic spreading cause certain harm, principle of ultrasonic flaw detector is based on the level and the situation of ultrasonic affected detection to master the features of raw materials and the structure change of technical called ultrasonic testing.


The principle of ultrasonic flaw detector ultrasonic detection methods are generally through the method, monopulse reflection method, serial method, etc. There are many types of acoustic frequency flaw detector, but in the whole process of specific flaw detection, the principle of monopulse reflection ultrasonic flaw detector is more common.


Ultrasonic flaw detector principle generally in the symmetry of raw materials, the drawback of the entities will lead to the raw material is not sustained, principle of ultrasonic flaw detector such do not last and often lead to inconsistent of acoustic impedance, ultrasonic flaw detector principle by the law of reflection as we know, ultrasonic wave in two different acoustic impedance of the material to produce the boundary surface reflection, Principle of ultrasonic flaw detector The size of the kinetic energy reflected home is related to the difference of the acoustic impedance of the material on both sides of the interface and the trend and size of the interface. Ultrasonic flaw detector principle of monopulse reflection type ultrasonic flaw detector is designed according to this principle.


Principle of ultrasonic flaw detector of present portable single pulse reflection type ultrasonic flaw detector method is most scanners, bearing manufacturer of eddy current flaw detection principle to put it bluntly scanner dynamic display the screen of X-axis is spreading time of ultrasonic wave on the inspection of raw materials or spread spacing, the ultrasonic flaw detection principle of ordinate is ultrasonic reflection wave amplitude values.


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