WELDING TORCH AND SUBMERGED ARC WELDING PROCESS TECHNIQUE IN ONE SINGLE PASS FOR EACH LAYER AND AT LIMITED VOLUMES OF WELDING WITH HIGH WALLS

摘要

PROBLEM TO BE SOLVED: To provide a submerged arc welding torch which ensures correct position of welding passes and is adapted to perform welding in one single pass for each layer on high walls, of the type constituted by a support body.;SOLUTION: Provided is a submerged arc welding torch, characterized in that two wire-guiding lances, held in reciprocal engagement by screws and pins, depart from the support body, each of the lances being provided with an internal cavity for the insertion of a welding wire, at the end of which lance a welding material delivery nozzle 15, 16 is provided, and further departing from which support body are a feeler lance support 7 and a centrally arranged flow delivery duct 8, the wire-guiding cavities being incorporated into the pair of lances.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2018,JPO&INPIT