PLASMA HARDENING DEVICE Russian patent published in 2022 - IPC C21D1/09 

FIELD: products plasma hardening.

SUBSTANCE: invention relates to devices for plasma hardening of products. The device comprises a plasma torch with a nozzle and an electrode installed in the nozzle holder, a monoblock with an indication panel in which a quenching current generation unit is installed, a plasma torch cooling unit with coolant supply and drain hoses, an inert gas supply unit, and the quenching current formation unit contains a unit control, and an inverter, an oscillator and an inert gas supply unit connected to it, while the device also contains a vehicle for placing and moving this device, made with the possibility of placing and fixing a monoblock with sleeves and cables on it, as well as with the possibility of placing and fixing on this vehicle of an inert gas cylinder and a burner with a nozzle holder, the thread pitch of which is 1.25 mm, and the inverter contains eight power stages on IGBT modules, while the control unit contains a control circuit for the rise and fall of the hardening current and an electronic delay relay.

EFFECT: increasing the convenience of its movement and operation while improving the reliability of its operation.

8 cl, 4 dwg