METHOD AND INSTALLATION FOR ULTRASOUND INSPECTION OF BUTT-WELDING OF TWO TRANSVERSE ENDS OF TWO METAL STRIPS,申请号KR20127027465-传众专利搜索

METHOD AND INSTALLATION FOR ULTRASOUND INSPECTION OF BUTT-WELDING OF TWO TRANSVERSE ENDS OF TWO METAL STRIPS

申请公布号：KR20130094176(A)

申请号：KR20127027465

申请日期：2010.08.12

申请公布日期：2013.08.23

申请人：

SIEMENS VAI METALS TECHNOLOGIES SAS

发明人：MICHAUT MARC

分类号：G01N29/24;B23K11/00;B23K11/25;G01N29/04

主分类号：G01N29/24

摘要：<p>A method and installation for inspecting a butt weld of transverse ends of metal strips held together between first and second jaws along the ends, include leaving an interstice between the jaws for passage of a first transmission channel of incident waves generating ultrasound waves on one surface of the first strip and enabling passage of a second transmission channel of waves emerging from the surface of the second strip. The incident waves of the first channel are generated using laser pulses in an operating state implementing a third channel of waves generated on the surface of the first strip, passing through the weld, and emerging in the second channel. Weld inspection characteristics are identified by analyzing the operating state related to the pulses and a measurement of a signature of a vibration state of the surface of the second strip upon emergence of the waves in the second channel.</p>