| 摘要 |
PURPOSE: A nondestructive examination is provided to examine the welding state of two iron boards after cloth-explosion welding another iron board. CONSTITUTION: An automatic nondestructive examination device comprises:a measuring area scanned by a robot installed an impact exciter, micrometer, and a micro-phone; a defective part checked by the difference of a vibration power or a decrease vibration to an impact; and a discontinuity or a defect of a structure searched by automatically painting.
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