Welding machine service water cold type torch

摘要

PURPOSE: To provide a water-cooled type torch for welding machine having a structure, in which aligning of a cooling water hose is quickly executed without requiring other parts of a shim, etc., and trouble of a torch due to misalignment in the rotating direction of cooling water hose is prevented. ;CONSTITUTION: A conduit tube 20 for supplying a welding core wire and electric current and a hose 21 for supplying shield gas are connected to a torch main body 1. Two hoses 25, 26, which supply/drain cooling water to the space inside nozzle, are connected to a nozzle 6 mounted to a tip holder 4 through an adapter 5. A female screw part 19b arranged on the inner face of coupling nut 10 is screwed to a male screw part 1c arranged on the outer face of either one of the tip holder 4 and torch main body 1, by means of a face fixing structure to lock the locking part arranged to the coupling nut 10, the tip holder 4 and torch main body 1 are connected to the locking part arranged at other end.;COPYRIGHT: (C)1996,JPO