SYSTEM FOR CONTROL OF ELECTRIC HOLDER WITH ELECTRODE OF ELECTROSLAG MELTING SETTING, WELDING AND OVERLAYING Russian patent published in 2012 - IPC C22B9/187 B23K25/00 

FIELD: metallurgy.

SUBSTANCE: system to control an electric holder with an electrode for setting of an electroslag melting, welding and overlaying comprises a hydraulic cylinder, a control unit, providing for immediate displacement of the electric holder with the hydraulic cylinder connected with the electric holder, a hydraulic station and oil lines with electrically controlled valves - a valve of oil supply into a hydraulic cylinder and a valve of oil drainage from a hydraulic cylinder. The system is equipped with a controller and an oil line with a double-sided electric valve connected with the hydraulic cylinder, at the same time the controller is arranged as capable to supply signals to valves with electric control and an electric valve.

EFFECT: higher reliability of plant operation by exclusion of human factor influence and increased efficiency.

2 dwg