Canning patch null of horizontal arc welding process and non-magnetic metal make for horizontal arc welding

摘要

PURPOSE: To prevent a worker from complaining of eye disorders by suppressing the amount of the stuck spatter and the generation of pits. ;CONSTITUTION: A coated backing 3 which is provided with a contact point 5 of the force based on the gravity and a contact means 6 which does not act as the mass point of the force to the base metal, made of non-magnetic metal, and provided with venting holes 4 communicating with each other vertically of the sectional direction is provided on the surfaces of fire cracker welding material 2 divided by the line (Y axis) connecting the center 21 of the fire cracker welding material 2 to the intersection 22 of the fillet-welded corner part of the base metal 1. One end part of the coated backing 3 is embedded in the slag layer 26 to be generated as the welding is started, or one end part is brought extremely close to the surface 27 of the slag layer, and the fire cracker welding is executed while the fire cracker welding material 2 and its arc generating part being toward the intersection of the corner part to be welded of the base metal.;COPYRIGHT: (C)1994,JPO