Background
The automotive industry demands extremely high weld strength and flawless appearance. Traditional TIG welding on thin sheet metal suffers from large heat input, workpiece deformation, and low efficiency — leading to high rejection rates and costly rework.
Solution Specs
| Item | Details |
|---|---|
| Machine Model | VELTRA™ MJ-15-BFL handheld laser welder |
| Laser Source | 1500W Keplin / Guangfang / Raycus fiber laser |
| Wire Feeder | Standard auto wire feeder |
| Shielding Gas | Argon Ar |
| Welding Material | Galvanized steel 1.0 – 1.5mm |
| Welding Type | Continuous lap weld on exhaust pipe flanges |
Key Results
| Metric | Before (TIG) | After (Laser) | Improvement |
|---|---|---|---|
| Weld Width | ~ 3.5 mm | ≤ 1.2 mm | 2.9x narrower |
| Welding Speed | ~ 10 mm/s | ≥ 30 mm/s | 3x faster |
| Rework Rate | ~ 8% | ~ 0.5% | 16x lower |
| Post-weld Polishing | Required | Eliminated | 100% labor saved |
| Heat Affected Zone | Large | Very small | No workpiece deformation |
Customer Testimonial
“We replaced three TIG welding stations with one VELTRA™ 1500W laser welder. Output per shift nearly tripled. The laser welds are so clean we completely removed the polishing step. ROI was under 6 months.”
— Production Manager, Chinese auto parts supplier
Recommended Products
- 1500W Handheld Laser Welder — ideal for 0.5–3mm sheet metal automotive work
- 2000W Handheld Laser Welder — for thicker components like chassis brackets and battery trays
Need to weld automotive parts? Contact us for a free test weld →