Lü Sihang, Hongchang Ding, Yang Xiang, Yongkun Liu. Surface Welding Defect Detection Based on Michelson Interferometer[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1912005
- Laser & Optoelectronics Progress
- Vol. 58, Issue 19, 1912005 (2021)
Fig. 1. Principle of the surface defect detection system
Fig. 2. Interference signal diagram
Fig. 3. Picture of the weld
Fig. 4. Scanning results of our system. (a) Two-dimensional contour map; (b) welding track map
Fig. 5. Inspection results of welding surface defects
Fig. 6. Inspection result of the pores
Fig. 7. Areas with qualified welding quality
Fig. 8. Missing solder area
Fig. 9. Misalignment welding
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Table 1. Measurement of the welding depth
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