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Automotive Industry
Laser welding is widely used in the automotive industry, including body welding (aluminum alloy doors, trunk lids), exhaust pipes, etc. It is suitable for multi-part welding in the auto parts industry and can meet the diversified needs of automobile manufacturing. Compared with traditional welding, laser welding produces narrow and deep weld seams (with a depth-to-width ratio of up to 5:1), reducing thermal deformation.
Sealing and welding of new energy battery trays
| Comparison Items | Traditional MIG Welding Solution | Laser Welding Solution |
|---|---|---|
| Applicable Workpieces | Aluminum alloy battery trays (thickness 1.5-3.0mm) | Aluminum alloy battery trays (thickness 1.5-3.0mm) |
| Thermal Deformation | Large thermal deformation | Deformation ＜ 0.5mm; tray flatness meets 0.3mm/m (data from a battery factory) |
| Sealing Effect (Air Tightness) | Seal failure (＜50kPa) | Zero leakage; passes 100kPa air tightness test (national standard GB/T 31467.3) |
| Welding Configuration | – | Handheld laser welding with oscillating welding head; adding AlMg5 welding wire |
| Welding Speed | – | 1.5m/min |
| Welding Depth | – | 2.0mm |
| Efficiency and Yield Rate | Yield rate 85% | Welding time reduced by 60%; yield rate increased to 99.5%… |
Sealing and welding of new energy battery trays
| Comparison Items | Traditional MIG Welding Solution | Laser Welding Solution |
|---|---|---|
| Applicable Workpieces | Aluminum alloy battery trays (thickness 1.5-3.0mm) | Aluminum alloy battery trays (thickness 1.5-3.0mm) |
| Thermal Deformation | Large thermal deformation | Deformation ＜ 0.5mm; tray flatness meets 0.3mm/m (data from a battery factory) |
| Sealing Effect (Air Tightness) | Seal failure (＜50kPa) | Zero leakage; passes 100kPa air tightness test (national standard GB/T 31467.3) |
| Welding Configuration | – | Handheld laser welding with oscillating welding head; adding AlMg5 welding wire |
| Welding Speed | – | 1.5m/min |
| Welding Depth | – | 2.0mm |
| Efficiency and Yield Rate | Yield rate 85% | Welding time reduced by 60%; yield rate increased to 99.5%… |
