Welding correction process often can not achieve desired results because advanced measurement method can not be used to obtain accurate welding distortion of the welding sheet, especially in the welding line.An online fullfield noncontact measurement method was presented to measure welding distortion around the welding line. Combining with traditional TIG welding process, this method was gotten of distortion law though tracking key points based on digital image correlation technique. This method of measuring welding distortion provides ideas for revealing distortion mechanisms and getting welding correction method. It has important significance for the welding process.
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陈参,万里瑞,郭楠.焊接焊缝变形的测量研究[J].机床与液压,2016,44(4):137-138. . Research on Measurements of Welding Line Deformation[J]. Machine Tool & Hydraulics,2016,44(4):137-138