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  2021-03

  The working principle of vacuum coating

  The vacuum coating process is a process in which gaseous atoms or molecules are transported and deposited like a substrate in a vacuum environment. It usually includes the formatio···

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  2021-03

  Reasons for poor vacuum

  1) Poor pumping. That is, there is a problem with the pumping system itself. For example: Diffusion pump is not working properly, this may be due to too much or too little pump oil···

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  2021-03

  The task of vacuum leak detection

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  2021-03

  Factors affecting leak rate

  Factors affecting leak rate.1) The influence of ambient temperature The thermal expansion and contraction of the material will cause the change of the geometric size of the leak; t···

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  2021-03

  General requirements for vacuum leak detection

  There are many methods of leak detection, but each has its own characteristics and scope of application. Which method is more appropriate depends on the specific situation. For exa···

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  2021-03

  The principle and characteristics of vacuum drying

  The process of vacuum drying is to place the material in a sealed container, apply a vacuum and heat the material at the same time, so that the water inside the material diffuses t···

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  2021-03

  Vacuum electrode introduction

  To input current into the vacuum system or the vacuum envelope, the vacuum electrode lead-in should be used. Between these wires and wires, and between wires and the wall of the va···

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  2021-03

  How to select the vacuum connector?

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  2021-03

  The effect of high vacuum on materials

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  2021-03

  Structural materials of vacuum materials

  Structural materials are the materials that constitute the main body of the vacuum system, including shell materials and materials used in various structures and mechanisms inside ···

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  2021-03

  Vacuum flange (NW KF CF ISO)

  The vacuum flange connection is a non-permanent sealed connection, which is characterized by maintaining the sealing performance after multiple disassembly and assembly, and it can···

• 10

  2021-03

  Types of vacuum sealing

  Vacuum sealing includes metal-ceramic sealing, metal-glass sealing, glass-glass sealing, and glass welding. Metal-ceramic sealing and metal-glass sealing are usually used for vacuu···

• 09

  2021-03

  Permanently sealed by vacuum

  Vacuum sealing is the basic technology to maintain the vacuum state, which can be divided into two types: motion sealing and fixed sealing. The motion seal mainly refers to the sea···

• 09

  2021-03

  Vacuum flange (NW KF CF ISO)

• 08

  2021-03

  The principle and characteristics of vacuum drying

  The process of vacuum drying is to place the material in a sealed container, apply a vacuum and heat the material at the same time, so that the water inside the material diffuses t···

• 08

  2021-03

  What are the names of feedthroughs in the industry?

  Vacuum connectors, that is, connectors used in a vacuum environment, are widely used in vacuum containers, equipment, and scenarios where connector sealing is required. Due to the ···