METHOD OF ULTRASONIC CHECKING MULTICHANNEL PULSE-REFLECTION FLOW DETECTOR

摘要

The invention relates to non-destructive inspection and may be used to control the quality of products in various industrial fields. The purpose of the invention - improved performance monitoring multichannel zhoimpulsnym flaw by reducing the probing pulse repetition period pri- appropriate choice of the order raspolo- piezoelectric voltage converters in block or have their switching order. When multichannel immersion zhokontro- le probing pulse repetition period to approximate duration time interval between the echo from the bottom surface of the article and scrap ehosigma- and subsequent Coy that excite the piezoelectric transformer in a block that is spaced from the previous one by a distance that ensures tightening Haniyeh fishing ehosigna- reverb to a level lower echo amplitude reference reflector minimum size (L