Microcomputer-controlled Semco SI MWN 3000A table-top AC pulse spot welder for power lithium battery modules, 3C packs, Ni-MH packs, hardware parts and metal jewellery. Offers double-spot pneumatic welding head, precise 1–10 kg pressure control, single/multi/double-pulse modes, up to 3600 A welding current and 0.02–0.2 mm nickel capability for reliable mass production and maintenance work.
The Semco SI MWN 3000A AC pulse spot welder is an industrial-grade, microcomputer-controlled solution for power lithium-ion battery modules, 3C lithium packs, Ni-MH packs, wire terminals, stainless steel parts, electronic components, small hardware and metal jewellery. Its double-spot horizontal welding head driven by pneumatic pressure ensures stable welding current and uniform nugget size, ideal for both production lines and maintenance/proofing work.
Critical welding parameters are easy to set and repeat: welding pressure 1–10 kg, energy adjustment via “+ / – / #”, air pressure regulation, welding needle length and left-right pin spacing. An independent spring-buffered welding needle design gives accurate pressure control and compensates surface tolerances.
Intelligent control is based on an imported precision chip, providing microsecond-level response, fully digital parameter setting and stable long-duration operation. The system supports single, multi and double-pulse welding, with dual-section multi-pulse shaping to optimise the output waveform for stronger, cleaner and more aesthetic weld spots.
High-quality components – alumina copper electrodes, pure copper cables and clamps, and a pure copper high-power transformer (3 kW / 7 kW / 12 kW options) – deliver durability and suitability for long-term mass production. The welder supports up to 3600 A current and 0.02–0.2 mm nickel sheet (power-dependent), with a maximum speed of 1 weld/second.
Industrial-grade safety features include a robust circuit design, over/under-voltage alarm with LED indication, universal power connector and clear workflow: power on → set parameters → place pack → pedal → weld → head returns. Standard configuration includes spot welder, foot switch, power cable, air tube, SNAP-IN welding needles and tools. Regular electrode polishing, tightening checks, dust cleaning and lubrication, combined with strict no-unauthorised-disassembly practice, ensure stable performance and long service life.
| Parameter | Value |
|---|---|
| Input Voltage | 220 V, 50/60 Hz |
| Welding Current (Max) | 3600 A |
| Welding Power Options | 3 kW / 7 kW / 12 kW |
| Nickel Thickness Range | 0.02–0.2 mm |
| Welding Head | Double-spot, pneumatic horizontal head |
| Welding Speed | Up to 1 weld/second |
| Product Size / Weight | 640 × 200 × 360 mm / ~20 kg (7 kW) |
The Semco SI MWN 3000A is a high-precision Pneumatic Gantry Spot Welding Machine designed for power lithium-ion battery modules, 3C lithium-ion battery packs, and nickel-metal hydride battery packs. This advanced welding system ensures strong, consistent welds, making it ideal for battery manufacturing, electronics, and metal fabrication industries.
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