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• 28

  2021-03

  Types and principles of vacuum furnaces

  Vacuum electric furnace is a kind of metal smelting equipment, mainly used for the production of new materials. Vacuum electric furnaces are divided into vacuum resistance furnaces···

• 26

  2021-03

  Baking and degassing in ultra-high vacuum system (4)

  Ultra-high vacuum systems vary in size and internal structure, and it is difficult to use a unified baking program to meet the requirements of various users. When the user conducts···

• 26

  2021-03

  Baking and degassing in ultra-high vacuum system (3)

  The unbaked part at the inlet of the pump is an important factor affecting the ultra-high vacuum. The area of the part that cannot be baked in the system is related to the type of ···

• 26

  2021-03

  Baking and degassing in ultra-high vacuum system (2)

  In addition to the high temperature baking required in the vacuum chamber, commonly used ultra-high vacuum pumps, such as turbomolecular pumps, sputter ion pumps, titanium sublimat···

• 26

  2021-03

  Baking and degassing in ultra-high vacuum system (1)

  In the vacuum technology, the term "baking" refers to heating the vacuum system or a part of the system to bake for a period of time during the operation of the vacuum sy···

• 25

  2021-03

  Design requirements for metal vacuum flanges

  The basic requirements for designing metal flanges are: ①It is required to provide an airtight interface with good performance, usually by high-strength metal extruding soft metal ···

• 25

  2021-03

  Important technical indicators of vacuum material performance

  The most important indicator of the vacuum performance of the components used in the ultra-high vacuum system is the outgassing rate of the material. Almost all materials that have···

• 22

  2021-03

  The role of thermocouple vacuum connector

  Thermocouple is the most common temperature measuring element. Because of its wide temperature measurement range, high temperature measurement accuracy, simple structure, and low c···

• 22

  2021-03

  How to wire the vacuum electrode and vacuum connector?

  Vacuum electrode and vacuum connector are essentially a kind of connector, but different from other ordinary connectors, they are given the function of vacuum sealing. At present, ···

• 21

  2021-03

  General characteristics of metal seals

  The main disadvantages of rubber seals are that they are not resistant to baking and have a large amount of outgassing at room temperature, so many require high-temperature baking ···

• 20

  2021-03

  Vacuum drying stress

  Vacuum drying is different from atmospheric drying in that the material will not produce drying shrinkage during vacuum drying. On the contrary, many materials will have volume exp···

• 18

  2021-03

  Classification of vacuum seals

  In order to isolate the air from the atmosphere, the vacuum equipment should have reliable vacuum seals at the connections of its various parts and components, the introduction of ···

• 18

  2021-03

  Vacuum sealing technology

  In vacuum sealing, air leakage is mainly due to the leakage between the metal surface and the gasket, in addition to the material itself and welding (which can be handled by leak d···

• 15

  2021-03

  Ultimate pressure of vacuum chamber

  The ultimate pressure (ultimate vacuum) of the vacuum device is the main parameter of the vacuum chamber of the device. Due to the wide variety of vacuum devices, the ultimate pres···

• 15

  2021-03

  The structure of the vacuum electrode

  There are many types of vacuum electrodes. According to the electrode sealing materials, they can be divided into glass metal sealing electrodes and ceramic metal sealing electrode···

• 15

  2021-03

  Sealing design requirements for vacuum electrodes

  The vacuum seal of the electrode lead device mostly uses rubber sealing rings, so water cooling should be added to the high current and high temperature to prevent the temperature ···

• 15

  2021-03

  Vacuum electrode introduction

  There are many processes in a vacuum chamber that require the introduction of electrodes into the chamber. Usually made into electrode lead-in parts (including electrode structure,···

• 13

  2021-03

  What is a vacuum leak?

  Vacuum chamber (vacuum container) refers to a space that can maintain a certain range of vacuum. If it cannot maintain the vacuum range, we are accustomed to call it "leak". What's···

• 13

  2021-03

  Surface purification and polishing of vacuum materials

  The surface purification of the vacuum material is to remove the oil on the surface and reduce the gas emission of the material in the vacuum. The basic methods of surface cleaning···

• 13

  2021-03

  Materials in a vacuum give off gas

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