Main Production Vacuum hardware and customized equipment Thermal vacuum test facility (TVACF)

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Thermal vacuum test facility (TVACF)

TVACF-2 is designed for optical and physical measurement of parameters while creating and on-ground qualification of on-board equipment, as well as other optical and electronic systems.

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Description

Specifications

The effective diameter of the vacuum chamber is 5000 mm, the height is 10000 mm.

Moreover, the test facilities are designed to test electric and radio components, especially microchips and discrete modules in non-standard conditions. Commonly such facilities are used to test exposure to extreme temperatures and change of pressure in order to check the opportunity to use products in industry.

Depending on its purpose, the test facility can be a multifunctional system, chamber, bench or area. Test facilities are operated using a high-tech interface that enables to control the process and keepthe test results recorded by the computer at the same time.

TVACF cryogenic components:

Vacuum chamber
Vacuum system
Optical system for simulating radiation from point objects
Optical system to simulate point-type object radiation
Solar radiation simulation system
Thermal flux simulation system
High-precision hexapod to move and tilt objects

The thermal vacuum chamber consists of separate sections manufactured from corrosion resistive steel (AISI 3211). Its internal surfaces are polished, the roughness rate is Ra = 0.63 µm, the welded seams roughness is equal to Ra = 2.5 µm. Section are connected by flanges with seals – elastic viton cord with additionally vacuumed space between them. TVACF is mounted on vibration isolating supports to protect the TVACF-2 facility from any other outer vibrations.

To load and unload the equipment under testinside the vacuum chamber we have designed a loading port with sliding leak-tight gates 2500 mm wide and 3500 mm height. The port is sealed by two elastic viton cord with additionally vacuumed space between them. The vacuum system uses serially produced vacuum pumps. TVACF-2 is a system of cryogenic screens with heat-exchange units cooled down my liquid nitrogen supplied by cryogenic system.

Heat simulation of vacuum environment is ensured by the system of cryogenic screens that pump through the liquid nitrogen with the help of gas-lift effect. The liquid nitrogen supply system includes cryogenic storage tanks, fueling nodes, cryogenic pipes with thermal blanket, as well as the liquid nitrogen separating device that ensures the coolant circulation. The optical system to simulate point-type object radiation is a two-channel cooling collimator with its components mounted on special movable supports to adjust and aim the system.

Solar radiation imitator is designed to create inside the vacuum chamber an almost parallel radiation beam with spectrum as close as possible to the extra atmospheric solar one with the cross-sectional irradiance from 1350 to 1900 W/m².

Heat flux imitator (HFI) is to simulate heat fluxes in vacuum at cryogenic temperatures.

HFI includes:

Infrared heater system of power supply units
Set of cables

Other components of the TVACF-2 are managed by an automated control system. The architecture of the ACS, the associated software ensures development and upgrade of the control system by the user while operation by changing the hardware, devices, module and software configuration.

Our experts will gladly answer your questions.

Property	Meaning
Residual operating pressure inside the vacuum chamber, Pa	1*10⁴
Pumping device type	Oil free
Average temperature of the IR cryogenic screen, K	(85±51)
Specific thermal capacity of the test facility adjusted within range, W/m²	от 1350 до 1900
TF Light flux homogeneity, %	15
TF Main reflector temperature, К	from 25З to 27З
FU axis slide in two mutually perpendicular directions	от 0^o до ±12^o
Rotation around FU vertical axis	±1850
FU lifting capacity, кг	1500
Dimensions of objects mounted on FULL (WLH), mm	200020003500
FU drive temperature, ^oС	+40
FU Thermal flux density within the infrared band, W/m²	from О to 500
FU thermal flux homogeneity per irradiated surface, %	15
HFI irradiation area on the object surface	90^o+ 10^o
Dimensions, mm: Diameter of the thermal vacuum chamber (no connection pipes), m Height of the vacuum chamber, m Internal diameter of the thermal vacuum chamber, m	5.3 10.0 5.0

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Why choose us?

Affordable prices. The cost is calculated depending on requirements set forth in technical assignment.

Qualified personnel. Our well-trained staff will complete a task of any complexity.

High quality. We use only high-quality raw materials and keep up with the relevant technologies.

Full service cycle. Apart from production itself, we provide additional services, from comissioning to subsequent maintenance.

Wide range of products. Thanks to our long-standingand well-alligned cooperation with numerous companies, we constantly look for new challenges.

One-of-the-kind customized products. We work on approved technical assignment based on relevant standards and regulation.

Why choose us? Industrial thermal equipment

The NPO GKMP LLC is a renowned expert in customized design and production of industrial thermal equipment. We work on approved technical assignment based on relevant standards and regulation.

Cooperation with the NPO GKMP LLC stands for:

We work on approved technical assignment based on relevant standards and regulation.

Thanks to our long-standingand well-alligned cooperation with numerous companies, we constantly look for new challenges.

Apart from production itself, we provide additional services, from comissioning to subsequent maintenance.

We use only high-quality raw materials and keep up with the relevant technologies.

Our well-trained staff will complete a task of any complexity.

The cost is calculated depending on requirements set forth in technical assignment.

We use only high-quality raw materials and keep up with the relevant technologies.

Apart from production itself, we provide additional services, from comissioning to subsequent maintenance.

Our well-trained staff will complete a task of any complexity.

We work on approved technical assignment based on relevant standards and regulation.

Thanks to our long-standingand well-alligned cooperation with numerous companies, we constantly look for new challenges.

The NPO GKMP LLC sells industrial thermal equipment, as well as other thermal equipment with non-standard dimensions based on Customer’s specification.