NSM welding machines are commonly used for arc welding (SMAW/MMAW).
They are robust, reliable, and widely used in construction, fabrication, and repair work.
Portable and durable design
Suitable for stick welding (electrode welding)
High efficiency with stable arc performance
Overload protection for safety
Steel fabrication
Pipeline welding
Shipbuilding
Maintenance and repair
Component | Description |
---|---|
Transformer | Steps down voltage for welding current |
Rectifier (if DC) | Converts AC to DC for smoother welding |
Cooling Fan | Prevents overheating |
Control Panel | Adjusts current settings (Amps) |
Electrode Holder | Holds the welding rod |
Ground Clamp | Connects to workpiece for circuit completion |
Cables | Heavy-duty wires for current transfer |
Casing | Protects internal components |
Parameter | Specification |
---|---|
Model | NSM-250A (example) |
Input Voltage | 220V / 380V (AC) |
Output Current | 50A - 250A (adjustable) |
Duty Cycle | 60% @ 200A |
Open Circuit Voltage | 50-70V |
Efficiency | ≥ 85% |
Insulation Class | Class F |
Protection | Overload & thermal cut-off |
Weight | ~15-25 kg (portable) |
Welding Rod Compatibility | 1.6mm - 5.0mm electrodes |
NSM welding machines are simple, efficient, and cost-effective for stick welding.
Suitable for beginners and professionals in construction and repair.