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What are the applications of vacuum degassing and solidification assembly lines in the aerospace ind

source：www.st3373611.com | Release time：2025年11月25日

The encapsulation vacuum defoaming and solidification assembly line can eliminate colloidal bubbles through a vacuum environment, combined with encapsulation and solidification processes, to ensure the reliability of aerospace components under extreme working conditions such as high and low temperatures, vacuum, and vibration. Its applications run through core fields such as electronic devices, composite material structures, power and fluid systems, as follows:
1. Packaging of aerospace electronic components
These types of components require high insulation and signal stability, and bubbles can cause poor thermal conductivity, signal interference, and even short circuits. This assembly line can perform bubble free sealing on satellite navigation system circuit boards, MEMS inertial sensors, etc. For example, a certain type of satellite navigation system circuit board adopts a "pre defoaming filling post defoaming" scheme, reducing the product bubble rate to below 0.01%; At the same time, it can also encapsulate various micro electronic modules on spacecraft, completely wrapping the components with colloids to avoid cracking and debonding of the adhesive layer caused by extreme temperature differences in space, ensuring stable signal transmission of electronic devices in space.
2. Bonding and Forming of Composite Material Structures
Carbon fiber and other composite materials are widely used in the aerospace industry to manufacture key structural components such as wings and fuselage. Bubbles can reduce the interlayer bonding strength of materials and easily cause delamination failure. This assembly line can be used for defoaming and infusion of bonding adhesives such as carbon fiber epoxy prepreg. For example, in the manufacturing of composite wings for domestic large aircraft, the equipment can complete the dispersion of nano ceramic fillers under a vacuum degree of 5Pa, allowing the temperature resistance of the adhesive layer to exceed 300 ℃; During the filling process of the honeycomb layer on the wing, it is also possible to achieve bubble free filling throughout the entire process, ensuring the bonding strength of the fuselage, wings, and other structures, and reducing the risk of structural fracture during flight.
3. Protection of key components in power and fluid systems
Long term exposure to high temperature, high pressure, and medium corrosion of components such as engines and fuel pipelines can lead to serious safety accidents due to seal failure. The assembly line can seal and seal micro cracks in the engine fuel pipeline, and the gel used is resistant to corrosion by aviation hydraulic oil; At the same time, it can also be used for sealing various valves, joints and other components around the engine, filling gaps with bubble free gel to achieve good sealing and buffering effects, preventing fuel leakage and hydraulic oil leakage, and ensuring stable operation of the power system.
4. Sealing of special functional components of spacecraft
These types of components often need to cope with the special environment of space, with strict requirements for the density and stability of colloids. For example, the solar panel junction box on a spacecraft can be sealed and solidified by the assembly line to prevent oxidation or loosening of the internal circuit joints caused by space radiation and temperature fluctuations; In addition, the communication antenna related components of the spacecraft can form a uniform adhesive layer after being encapsulated through this assembly line, reducing losses during signal transmission and resisting damage to the components caused by space dust and other debris.
5. Processing of airborne equipment and emergency components
The reliability of various airborne equipment and emergency components is directly related to flight safety. This assembly line can be used for sealing the core modules of airborne radar sensors and flight control systems, eliminating adhesive bubbles to avoid component failures in vibration environments; For key emergency components such as emergency catapults and backup power modules of spacecraft, bubble free sealing can ensure that they will not fail due to gel defects during long-term storage and sudden use, ensuring normal operation in extreme situations.

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