Inspection of internal defects of castings by the method of ultrasonic testing (UZK) is carried out during the development of the technological process and, if required, in the drawings of the parts. The ultrasonic inspection method has certain advantages: mobility in use to control defects, safety in use, no need for protective chambers. Ultrasonic inspection quality group from 2n to 4n GOST 24507.
Portable ultrasonic flaw detectors and tomographs allow you to monitor defects in castings with wall thicknesses up to 400 mm with the ability to determine the depth of the defects.
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