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薄壁紫铜管(φ9.8×0.35mm)在拉制过程中往往会出现裂缝、折迭、铁夹杂以及通孔等缺陷。利用涡流法检查这些缺陷,具有较好的效果。
Thin-walled copper pipe (φ9.8 × 0.35mm) in the drawing process often appear cracks, folding, iron inclusions and through holes and other defects. The use of eddy current inspection of these defects, with good results.