The 737DH is a dual-head spot welding machine designed for high-efficiency battery pack assembly. It provides stable, precise, and consistent welding for multiple cells simultaneously, improving productivity and reliability.
Delayed welding function with 3-level power adjustment for precise welding.
Real-time current display to monitor output.
Supports fixed and mobile spot welding methods.
External foot switch for precise control.
Adjustable welding head pressure for reliable welds.
2/4/6/8 pulse selection for strong welding points.
Automatic inductive discharge for fast welding of large battery packs.
Lithium battery pack
Strain gauge
Stainless steel mesh
Circuit board
Portable charger| Double pulses time | 1~10ms |
| Welding thickness | 0.15~0.35mm(fixed head)/0.05~0.25mm(spot welding pen) |
| Welding current | 120~1200A |
| Welding needle spacing | 2~7mm |
| Size of welding pin | ∅1.5mmX7mm |
| Total length of | ≈580mm |
| Welding pen cable area | 16mm2 |
| Weight | Approx. 1.4 kg |
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