ANORDNING FOR TILLVERKNING AV CYLINDRISKA ROTATIONSKROPPAR

摘要

Apparatus for producing cylindrical bodies by building-up weld material thereon utilizing a submerged arc welding process includes a plurality of welding heads movable along the cylindrical body parallel to the axis thereof, and devices for supplying welding wire and welding powder to respective welding heads of the apparatus. A welding head carriage and a separate supply carriage supporting, respectively, each of the welding heads and the welding wire and powder supply units are provided, and drive mechanisms are also provided separately for each welding head carriage and supply unit carriage.