The MIG/MAG ES5 & PL5 Series Pulse Welding Machines are advanced industrial-grade gas shielded welders, engineered for reliable, high-efficiency welding across carbon steel, stainless steel, alloy steel, and aluminum alloys. With digital control, 100% duty cycle, and robot integration capability, these welders are ideal for heavy-duty applications in steel structures, shipbuilding, machinery, and transportation industries.
1. Product Overview & Key Specifications
- The series includes two main lines, each tailored to different welding requirements:
Series | Model Range | Welding Modes | Rated Current | Duty Cycle |
ES5 | NR-350ES5 / NR-500ES5 / NR-630ES5 | CO₂/MAG Welding | 350/500/630A | 100% |
PL5 | MIG-350PL5 / MIG-500PL5 / MIG-630PL5 | CO₂/MAG / MAG Pulse / MIG Pulse / MIG Double Pulse | 350/500/630A | 100% |
2. Core shared specifications:
- Input Power: 3~380V±10% / 50/60Hz
- Efficiency: ≥85% (Class 1 energy efficiency)
- Protection Class: IP23S, Insulation Class H
- Wire Compatibility: Solid/Flux-cored Carbon Steel (1.0/1.2/1.6mm), Stainless Steel (1.2/1.6mm)
- Cooling: Air-cooled design for reliability in field and factory use
3. ES5 Series: Integrated Gas Shielded Welders
- The ES5 Series (NR-350ES5/NR-500ES5/NR-630ES5) delivers robust MAG/CO₂ welding performance for general to heavy industrial use.
- Integrated Parameter Management: Quick setup for common welding processes via digital control.
- Fast Response Digital Control: Faster arc response and consistent welding results.
- Long-Duration Welding: 100% duty cycle enables continuous high-current welding.
- MES & Automation Ready: Upgradable for factory WPS data management and seamless robot integration.
4. PL5 Series: Pulsed Gas Shielded Welders
- The PL5 Series (MIG-350PL5/MIG-500PL5/MIG-630PL5) adds advanced pulse welding capabilities, ideal for precision and low-spatter applications.
- Multi-Pulse Control: Supports MAG Pulse, MIG Pulse, and Double Pulse modes for spatter-free welding and beautiful fish-scale beads.
- High-Current Stability: Precise pulse frequency control ensures low spatter and smooth arc even at high currents.
- 100+ Expert Programs: Pre-set welding recipes for different materials/gases save setup time and ensure consistency.
- Remote & Field Use: Stable welding performance up to 50 meters, compatible with generators for on-site construction.
- Enhanced Durability: IGBT module design with intelligent power protection for long service life.
5. Core Advantages in Welding Production
- Reduced Operating Costs: Lower wire, gas, and cleaning material consumption.
- High-Quality Welds: No cracks, porosity, or incomplete fusion; meets ultrasonic testing standards.
- Easy Operation: One-knob control for parameter selection and adjustment; 100+ memory channels eliminate manual process recording.
- Robot Compatibility: Designed for seamless integration with welding robots, enabling fully automated production lines.
6. Applications
- These welders are widely used in industries requiring reliable gas shielded welding:
- Steel structure fabrication
- Shipbuilding and heavy industry
- Transportation equipment manufacturing
- Machinery parts production
- Aluminum and stainless steel component welding
7. Operation & Control
- The intuitive control panel features dual digital displays and one-knob adjustment for quick setup:
- Select welding process (MIG/MAG, MMA)
- Set wire diameter and shielding gas type
- Adjust arc parameters (start/end current/voltage, arc force, hot start)
- Save and recall up to 100 custom welding programs