Parameters

1. Limit vacuum: 5.0x10-4Pa;

2. The system leakage rate is less than 5.0x10-8Pa.l/S;

3. The system starts pumping air from the atmosphere and can reach 5x10-3 Pa in 20 minutes;

4. Vacuum ≤30Pa after 12 hours of pump shutdown.

5. Maximum melting temperature of 3000℃。

Model

NBD-VAP3000-35

Arc melting vacuum chamber assembly

Vertical cylindrical vacuum chamber size: φ280mmX350mm, front door, double water-cooled structure, made of stainless steel, argon arc welding, surface electrochemical polishing treatment, the interface is sealed by metal washer or fluorine rubber ring.

Vacuum chamber top cover

1. Arc gun interface 1 (arc melting cathode);

2. Vacuum pressure gauge interface flange 1.

Arc smelting cathode

Water-cooled electric arc gun: 1 set (non-contact arc initiation)

Water cooled copper crucible set

The arc melting anode has 4~6 stations, stations (30mm), and a melting degassing station (20mm); Melting sample weight (Fe calibration) : the maximum weight of the sample 50 grams;

mechanical arm

For flipping alloy ingot under vacuum; The robot component has a water cooling device.

Window and flange interface

1. φ50 arc automatic protection device;

2. LED lighting window;

3. The nozzle of the observation window is equipped with a water cooling device.

Vacuum acquisition

 Molecular pump + mechanical pump

Install frame and waterway

1. High quality square steel profile (40mmX40mm X4) welded, coaming surface spray treatment; The machine surface is decorated with stainless steel skin; Four casters, can be fixed, movable;

2. Cable bracket;

3. Water pipe and water inlet and return device;

4. Water flow relay

Installation requirements

1. Power supply 380V 50Hz power is greater than 10KW, fluctuation range: less than ± 6%, equipped with multiple wiring sockets;

2. Reliable ground wire, ground resistance is less than 2ω;

3. With civil tap water or circulating cooling water, the water temperature is less than 25℃, the water pressure is less than 2.5×105Pa, the flow rate is required to reach 12 liters/min, and the return water channel;

4. The installation area must be greater than 3M2 and the height must be higher than 2.4M.

5. The standard temperature of the installation site is 20℃ ~ 24℃, and the standard relative humidity is 50% ~ 60%;

6. Ordinary nitrogen is required, and the pressure should be between 2 and 3 atmospheres;

7. External exhaust pipe.