High Vacuum Directional Solidification Equipment

The system consists of a directional solidification vacuum chamber and an arc melting vacuum chamber, which share a set of vacuum acquisition systems to achieve functions such as directional solidification of samples.

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Product Details

Equipment Composition

The system is mainly composed of directional solidification vacuum chamber, heater system, heating power supply, stretching system, cooling system, working gas circuit, vacuum measurement and electrical control system, installation machine and other parts.

Technical parameters:

HVD-400
Directional Solidification Vacuum Chamber	Double-layer water cooling, top opening, size Ф400x550mm (H)
Vacuum system configuration	Molecular pumps, mechanical pumps, wide-range digital vacuum gauges, valves, etc.
Ultimate pressure	≤6.67x10^-5Pa (after baking and degassing)
Restore vacuum time	5.0x10^-3Pa can be reached in 20 minutes (the system starts to pump air from the atmosphere)
Vacuum degree after stopping the pump for 12 hours	≤15 Pa
Heater system	Adopt tungsten aluminum heater, resistance heating method, size Ф80x230mmDirectional solidification sample heating temperature: maximum temperature 1800℃, long-term use temperature 1600℃Use tungsten-rhenium thermocouples to measure and control temperature, one for temperature measurement, a total of 2 thermocouples
Directional solidification sample moving speed	① Working range: 0.001～1mm/s (chuck moving speed), electric② Fast gear: 1mm～100mm/s (chuck moving speed), electric (can realize fast quenching function)③ Chuck moving stroke ≤ 250mm④ The moving speed is programmable and can achieve gradient changes
Computer Control	10-inch touch screen and PLC control system (installed on the control cabinet): control the lifting mechanism, control the pulling system, heating and temperature control
Waterway components	Water pipe and water inlet and return device: 1 set each; water flow and water pressure relay: 1 each
Water cooling system	1 chiller