AI Online Inspection & Automatic Welding Repair for Laser Weld Joints of Aluminum Extruded Crossbars for Battery Packs

Cycle time: 38 seconds per piece (95 pieces per hour)

Soldering positioning: ±0.15 mm, rework rate reduced to 0.8%

Save 2 quality inspection personnel + 1 soldering worker, ROI within 10 months

The weld length is 1.2 meters. Manual inspection takes 5 minutes per piece. The positioning error during re-welding is 1 mm, resulting in 12% rework.

Key technologies:

Eston ER50 six-axis + Hikvision 4K line sweeping laser profile instrument, scanning speed 1.5 m/s

The Siren platform immediately sends the defect coordinates back to Eston, guiding the 2 kW laser head to complete the re-welding within 0.8 seconds

The Hikvision model can identify 3 major categories (brazing defects, porosity, and pits) and 12 levels of defects