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    • 10. 发明授权
    • Weld detecting method and weld detecting apparatus
    • 焊接检测方法和焊接检测装置
    • US09109867B2
    • 2015-08-18
    • US13509847
    • 2010-11-16
    • Masato FukushimaYuji SuzukiShinichi Iwazaki
    • Masato FukushimaYuji SuzukiShinichi Iwazaki
    • G01B5/04G01B11/04G01B7/04G01B5/00G01N19/08
    • G01B5/0037G01B11/046G01N19/08
    • A weld detecting method that detects a weld on a work includes: obtaining in advance at least one correlation, from among a correlation between a width of the neck and an amount of elongation of the work and a correlation between the width of the neck and an amount of change in at least one of a sheet thickness and a sheet width of the work before and after elongation of the work, and calculating the width of the neck based on the at least one correlation by obtaining at least one of the sheet thickness, the sheet width, or the amount of elongation of the work from the obtained at least one correlation; setting a conveying speed, according to the calculated width of the neck; and detecting the neck by measuring the sheet width of the work at predetermined intervals, while conveying the work the set conveying speed.
    • 检测工件上的焊缝的焊接检测方法包括:从颈部的宽度与工件的伸长量的相关性以及颈部的宽度与颈部的宽度的相关性之中预先获得至少一个相关性 在工件伸长前后的工件的片材厚度和片材宽度中的至少一个中的至少一个的变化量,以及通过获得至少一个片材厚度来计算颈部的宽度, 从所获得的至少一个相关性的片材宽度或工件的伸长量; 根据计算出的颈部宽度设定输送速度; 并且通过以预定的间隔测量工件的片材宽度,同时在输送工件时设定传送速度来检测颈部。