FIELD: electricity.
SUBSTANCE: electrode holder of welding tongs contains two angled rods with channels for the circulation of the refrigerant, at the end of the first of which a shank fixing the elements of the tongs is mounted, and at the end of the second one a cross is done fixing the electrode shank. The lower longitudinal channel for the circulation of the refrigerant consists of the main and additional blind channels connected among themselves by transverse inclined channels intersecting with their bottoms. The additional lower longitudinal channel is connected to the upper longitudinal channel by a transverse channel formed between the receptacle for fixing the electrode shank and the front end of the rod. The upper longitudinal channel is aligned with the transverse channel in the electrode shank. The additional lower longitudinal channel is open to the lower part of the said socket, and the main lower longitudinal channel is configured to remove the refrigerant beyond the rod.
EFFECT: efficiency of cooling the electrode and increasing the reliability of welding.
1 dwg
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