M500 Smart Inverter Professional CO₂/MIG/MAG Welding Machines

OTC DAIHEN M500 Digital Welder

The M500 is a high-performance digital welding machine from OTC DAIHEN, featuring Welbee technology. A dedicated LSI performs ultra-high-speed sampling of current and voltage for precise waveform control and superior weld quality. The proprietary CBT-EX ultra-low spatter technology makes CO₂ welding perform like conventional MAG, significantly saving gas and grinding costs. The machine maintains excellent arc stability from low to high current ranges, with expanded welding condition envelopes and stable voltage even at high speeds, ensuring uniform bead width. USB enables easy management of welding conditions and results. Smart features like torch-trigger current adjustment and high-speed arc spot welding boost productivity. Seamless integration with OTC robots delivers efficient automated welding. With a 100% duty cycle, it meets heavy-duty demands; robust dust-proof design ensures long-term reliability.

✨ Key Technology Advantages

• Welbee dedicated LSI — Ultra-high-speed sampling, precise waveform control, exceptional weld quality.

• CBT-EX ultra-low spatter — CO₂ welding with spatter levels close to MAG, saving gas and grinding time.

• Wide current stable arc — Excellent arc stability from low to high currents.

• USB data management — Easy storage and retrieval of welding conditions and results.

• Stable high-speed welding — Wide condition range, minimal voltage fluctuation, uniform beads.

• Robot integration — Perfectly mates with OTC robots for efficient automated welding.

• 100% duty cycle — Suitable for heavy-duty continuous operation.

• High durability & easy maintenance — Effective dust protection, simple servicing.

• Smart functions — Torch-trigger current adjustment, high-speed arc spot welding.

• Extensive optional modes — Optional software for special materials.

🔧 Primary Applications

Automotive manufacturing, motorcycle frames, steel structures, pipe welding, general machinery, metal furniture – CO₂/MAG welding of mild steel and stainless steel, especially in robotic welding lines.

📊 OTC DAIHEN M500 Technical Specifications & Accessories