The VIP-NK-R-300 vacuum melting furnace is designed to produce castings from heat-resistant and other alloys.
The VIP-NK-R-300 melting furnace can operate using the technology of casting parts with a directional structure using movable screens for ceramic molds.

The VIP-NK-R-300 furnace includes the following main units:
- melting chamber;
- lock chamber;
- loading device;
- mechanisms for vertical and horizontal movement of ceramic molds;
- rollback block;
- mold heating furnace;
- liquid metal crystallizer;
- crystallization screens;
- alternative crystallizer;
- vacuum system;
- control system;
- water cooling system.

Design of the VIP-NK-R-300 installation.

The design of the unit and its mechanisms ensure ease of maintenance and free access to the main units and elements, such as the PPF, inductor, etc.
The design of the VIP-NK-R-300 includes a rotating crucible with adjustable rotation speed and the ability to programmatically control the metal drain.
The mechanism for loading charge materials into the crucible is carried out without depressurizing the melting chamber using a process container.
The cover and body of the working chamber are equipped with process windows for visual observation of the melting and pouring of metal and the movement of molds during crystallization.
The design of the VIP-NK-R-300 unit includes 2 movable screens made of dense graphite with a flexible material at the working end. The screens fit tightly to the mold during the entire crystallization cycle and repeat the outer contour of the molds.
It is possible to place a water-cooled screen at the height of the crystallized casting H = 400 mm, under the block of movable screens.
The metal temperature is controlled during the melting process by a pyrometer. A control immersed thermocouple is provided to control the readings of the photopyromometer. The heating of the forms in the PPF is carried out at a given speed.