HOME>>TECHNOLOGY

• 23

  2021-04

  Graphite properties and applications

  The performance of graphite is closely related to the impurities contained. Natural graphite has a large impurity content, so artificial graphite is generally used. Recently, pyrol···

• 20

  2021-04

  Where is the three-wire split vacuum connector used? Why is it designed like thi···

  The three-wire vacuum connector is a vacuum connector specially developed by Huipu Technology after analyzing the domestic and foreign markets. At present, only Huipu Technology pr···

• 19

  2021-04

  Design principles of ceramic-metal sealing structure

  (1) Matching principle of linear expansion coefficient The linear expansion coefficients of metal parts and ceramic parts in ceramic metal sealing should be consistent or close. Th···

• 18

  2021-04

  Sealing material requirements

  The sealing material should meet the requirements of the sealing function. Due to the different media to be sealed and the different working conditions of the equipment, the sealin···

• 16

  2021-04

  Vacuum sealing auxiliary materials

  Vacuum sealing auxiliary materials are mainly divided into vacuum sealing wax, vacuum sealing grease, vacuum sealing mud and vacuum sealing paint according to the vacuum sealing po···

• 16

  2021-04

  How to choose vacuum sealing rubber?

  To solve the vacuum rubber seal, in addition to the correct seal structure design, a reasonable selection of the sealing material is the key. Rubber's heat resistance, compress···

• 15

  2021-04

  The requirements of the vacuum system on the physical properties of glass

  Pay attention to the following physical properties when manufacturing and using glass vacuum systems and components. (1) Viscosity. Since glass does not have a fixed melting point,···

• 15

  2021-04

  Kovar

  Kovar is an iron-nickel-cobalt alloy, which is the most commonly used alloy in the glass-to-metal hermetic sealing of vacuum connectors. Its expansion coefficient matches with seve···

• 15

  2021-04

  Other characteristics of vacuum materials

  In the field of vacuum engineering, there are not only requirements for the physical, chemical and mechanical properties of materials, but also requirements for vacuum properties, ···

• 14

  2021-04

  Gas composition in the vacuum chamber

  (1) Atmosphere in the vacuum chamber (2) The surface degassing in the vacuum chamber is also called surface desorption gas. The degassing amount is related to factors such as mater···

• 12

  2021-04

  Can ordinary connectors be used for thermocouples?

  Thermocouple connector, we refer to the connector specially made to transmit thermocouple signal. We have found that many people just use ordinary connectors because they don’t und···

• 09

  2021-04

  Why does the vacuum connector suddenly discharge and spark when it is used?

  Vacuum connectors, also called vacuum electrodes, are used for power supply or signal transmission in a vacuum chamber, and are an indispensable basic device for vacuum equipment o···

• 01

  2021-04

  The life of the heater

  Resistance furnaces have various types of heating bodies (heaters). It converts electrical energy into thermal energy and transfers it to the heated workpiece by means of radiation···

• 01

  2021-04

  Problems to be considered in the design of vacuum resistance furnace

  The original conditions of vacuum resistance furnace design and issues to be considered: First, determine the furnace design scheme according to the user's requirements for fur···

• 31

  2021-03

  Gas discharge phenomenon

  Different working conditions will produce different gas discharge phenomena and have different discharge properties. When studying the phenomenon of gas discharge, the discharge is···

• 30

  2021-03

  Vacuum insulation

  The purpose of vacuum insulation is to eliminate gas convection heat exchange, reduce gas heat conduction and heat exchange, and reduce radiation heat exchange. There are three mai···

• 29

  2021-03

  The working principle of intermittent exhaust

  In obtaining the vacuum of the cryogenic container, the pumping is usually carried out continuously. The study found that continuous pumping for a long time has no obvious effect o···

• 29

  2021-03

  Characteristics of rare gas transport phenomenon

  The density of rare gas molecules is small, the mean free path of molecules is large, the collision probability between molecules is small, and the momentum exchange and energy exc···

• 28

  2021-03

  Cleaning treatment of electric vacuum process

  Since various pollutions can deteriorate the quality of the electric vacuum device and affect the service life and reliability, the electric vacuum process has particularity. Gener···

• 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···