DISK-SHAPED ELECTRODE HOLDER Russian patent published in 2018 - IPC B23K11/10 B23K11/30 

FIELD: valves industry.

SUBSTANCE: invention can be used to produce armature from bar stock. Bolt pin is installed in transverse holder mortice. Disk-shaped electrode is fixed to threadless part of bolt stem protruding from mortice, having a longitudinal channel in which tube with axial clearance is located at its bottom in region of bolt head. On outer surface of the rod, an annular groove is made with sealing element installed therein sealing front part of transverse mortice of holder. Holder has front longitudinal cavity for supplying coolant that is open to said annular groove on the bolt rod and connected to the annular gap through transverse windows, formed in area of this groove, and rear longitudinal cavity for withdrawing coolant, which is open to rear part of transverse mortice of the holder, free from the bolt rod.

EFFECT: formed in electrode longitudinal slot provides its connection without a gap with bolt rod, and cooling of rod and bolt head increases resistance of the electrode.

2 cl, 1 dwg