DM350 Robot-Dedicated Professional CO₂/MIG/MAG Welding Machines

OTC DAIHEN DM350 Digital Inverter Welder

The DM350 is a high-performance digital welding machine from OTC DAIHEN, featuring unique IGBT soft‑switching inverter technology with a main frequency of 80kHz for precise arc control and high efficiency. It is frequently used with OTC robots and can easily expand welding performance via CAN communication. The new 4‑roll wire feeder with encoder feedback ensures accurate and stable wire feeding. OTC’s newly developed digital reactor control enables high‑speed stable welding across the entire current range, with a wide selection of arc characteristics to meet various process requirements—excellent arc stability even in all‑position welding. Whether for robotic automation or manual operation, the DM350 delivers superior weld quality.

✨ Key Technology Advantages

• IGBT soft‑switching inverter — 80kHz main frequency for precise control and high efficiency.

• 4‑roll encoder feedback wire feeder — Accurate and stable wire feeding for consistent arc.

• Digital reactor control — High‑speed stable welding across all currents, adjustable arc characteristics.

• CAN communication — Seamless integration with PCs, robots, and dedicated machines; performance expansion.

• Wide arc characteristic selection — Adapts to various processes, excellent all‑position stability.

• Compact & lightweight — Dimensions 250×640×430mm, weight only 30kg, easy to integrate.

🔧 Primary Applications

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

📊 OTC DAIHEN DM350 Technical Specifications & Accessories