This Round Flange Automatic Welding Machine is a specialized device for round ventilation flange welding, boasting wide applicability in HVAC duct fabrication. It accommodates inner frame sizes of 150–950mm, with roller section widths of 30/40/50mm (customizable) and effective welding lengths of 150–950mm (customizable), processing profile thicknesses from 1–5mm.

    The machine features a human-machine switching system and a single welding torch, with a maximum welding diameter of 1000mm and mechanical welding accuracy of ±0.2mm. Its repeated positioning precision reaches ±0.1mm, supported by numerical control equipment with an accuracy of ±0.1%. Powered by 380V 10% 50Hz working power and 380V 10% 50Hz total power (18kW), the compact unit measures 1250×1000×1950mm, ensuring efficient, precise and automated welding for round flanges in ventilation projects.