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Portable HF Pulse Inverter 500A DC TIG MMA 400A Welding Machine from China Suppliers and Factory - High Performance & Stability
Detailed Information
Argon protection isolates adverse effects of oxygen, nitrogen, and hydrogen, reducing alloy element burning loss to obtain dense, spatter-free, high-quality welds.
Stable arc combustion with highly concentrated heat and high arc column temperature. Narrow heat-affected zone minimizes stress, deformation, and cracks.
Open arc welding process provides excellent visibility, making it highly convenient for direct operation and observation.
Minimal electrode loss and easily maintained arc length. No flux or coating layer is required, facilitating easy mechanization and automation.
Capable of welding almost all metals, especially refractory and easily oxidized metals like magnesium, titanium, molybdenum, zirconium, aluminum, and their alloys.
Highly versatile welding capability, not restricted by the position of the weldment, allowing for efficient welding in all positions.
Main Features
Welder utilizes brand new electronic components.
Advanced IGBT inverter technology effectively extends the service life.
Dual IGBT module ensures good parameter consistency and reliable operation.
Complete undervoltage, overvoltage, and current protection for safe operation.
Accurate digital display current preset offers easy and intuitive control.
Compatible with acidic, alkaline, and stainless steel welding rods.
Humanized, aesthetically pleasing design that is highly convenient to operate.
Three-proof design for key parts, suitable for various harsh environments.
Working Connection Diagram
Product Parameters
| Model | WSM-400 | WSM-500 |
| Rated Input Voltage | 380V 50Hz/60Hz | 380V 50Hz/60Hz |
| Rated Input Capacity | 13.9/19.2Kva | 20/26.6Kva |
| No Load Voltage | 70V | 74V |
| Current Range | 20-400A | 20-500A |
| Rated Duty Cycle | 60% | 60% |
| Efficiency | 85% | 85% |
| Insulation Class | F | F |
| Power Factor | 0.9 | 0.9 |
| Dimensions | 55*28.5*53cm | 61.5*35*58cm |
| Weight | 27.5Kg | 38.5Kg |
Installation Attentions
Input Voltage: 380V AC±10%, 50/60Hz
Input Cable: ≥6 mm²
Output Cable: 50mm² , welding gun ≤10m
Power Switch: 63A
Ambient Temperature: -10℃ ~ +40℃
Usage Condition: Good ventilation conditions; pay attention to dust, moisture, and waterproofing.
Standard Accessories
1x Electrode Holder
1x Ground Clamp
1x Welding Mask
1x Brush/Hammer
Optional Accessories
Welding Helmet
Welding Gloves
Electrodes E6013
Lift TIG TORCH
Frequently Asked Questions
What are the benefits of using Argon gas protection in this welding machine?
Argon gas protection effectively isolates the weld pool from harmful atmospheric elements like oxygen, nitrogen, and hydrogen. This minimizes the loss of alloy elements and guarantees spatter-free, high-density, and premium-quality welded joints.
What is the difference between WSM-400 and WSM-500 models?
The main differences lie in their rated input capacity, current range, and physical dimensions. The WSM-400 operates within a 20-400A range with a weight of 27.5Kg, while the WSM-500 offers a higher 20-500A range and weighs 38.5Kg to support heavier duty welding requirements.
What electrical input specifications are required for installation?
Both models require a 380V AC±10% (50/60Hz) input voltage. It is critical to use an input cable of ≥6 mm², a 50mm² output cable, and a 63A power switch to ensure stable and safe operation.
Can this machine weld non-ferrous metals like aluminum and titanium?
Yes. Argon arc welding is highly versatile and capable of welding almost all metals. It is especially suited for easily oxidized and refractory metals, including magnesium, titanium, aluminum, zirconium, molybdenum, and their alloys.
What environmental conditions should be maintained during operation?
The machine should be operated in ambient temperatures between -10℃ and +40℃. The working environment must have good ventilation and be kept free from excessive dust, moisture, and direct water exposure to protect internal circuits.