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Working principle and components of high temperature experimental furnace |
Příspěvek od: yanyan - 2021-01-25, 07:41:43 - Fórum: Důležité informace pro studia a modelky!
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Working principle and components of high temperature experimental furnace
To understand the working principle and components of high temperature experimental furnace, we will answer the following questions according to the above two points:
1. The working principle of high-temperature experimental furnace: using electricity as the heat source, the electric energy is transformed into heat energy through the electric heating element, and the metal is heated in the furnace. Resistance furnace and flame ratio, high thermal efficiency, up to 50-80 ℅, thermal system is easy to control, good working conditions, long furnace life, suitable for the heating of demanding workpieces.
2. Components: the furnace shell is made of high-quality cold-rolled steel plate folded and welded, the working room is made of high-quality silicon carbide refractory, and the high-quality insulation material is used as the insulation layer between the furnace and the furnace shell. In order to reduce the heat loss at the furnace mouth and improve the temperature uniformity in the furnace, a heat shield made of high-quality refractory material is installed inside the furnace door.
SPS Spark Plasma Sintering System
M42 High Cobalt Toughness High Speed Steel Vacuum Heat Treatment Process
vacuum furnace
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How to implement brazing process in vacuum furnace |
Příspěvek od: yanyan - 2021-01-25, 07:39:21 - Fórum: Důležité informace pro studia a modelky!
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How to implement brazing process in vacuum furnace
When brazing in the vacuum furnace, put the brazed weldment into the furnace (or into the brazing container), close the furnace door (or close the brazing container cover), and pre vacuum before heating. Start the mechanical pump first, turn the steering valve after the vacuum reaches 1.35pa, turn off the direct channel between the mechanical pump and the brazing furnace, make the pipeline connect with the brazing furnace through the diffusion pump, rely on the mechanical pump and the diffusion pump to work within a limited time, pump the brazing furnace to the required vacuum, and then start the power on heating. During the whole process of heating, the vacuum unit should work continuously to maintain the vacuum degree in the furnace, offset the air leakage at various interfaces between the vacuum system and the brazing furnace, release the gas and water vapor absorbed by the furnace wall, fixture and weldment, and volatilize the metal and oxide to reduce the vacuum drop.
There are two kinds of vacuum brazing: high vacuum brazing and partial vacuum brazing. High vacuum brazing is very suitable for brazing base metal (such as nickel base superalloy) whose oxide is difficult to decompose. Part of vacuum brazing is used for base metal or brazing material volatilizing under brazing temperature and high vacuum conditions.
When special precautions must be taken to ensure high purity, vacuum cleaning method should be used before dry hydrogen brazing. In the same way, using dry hydrogen or inert gas purification method before vacuumizing will help to obtain better resources in high vacuum brazing.
Vacuum Heat Treatment Furnace
Aluminum Vacuum Brazing Furnace
Vacuum Sintering Furnace
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Characteristics of box resistance furnace |
Příspěvek od: yanyan - 2021-01-25, 07:32:12 - Fórum: Důležité informace pro studia a modelky!
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Characteristics of box resistance furnace
The characteristics of lower box resistance furnace are briefly introduced. Box type resistance furnace is a kind of heating equipment for laboratory, industrial and mining enterprises, scientific research institutions to do element analysis and general small steel quenching, annealing, tempering and other heat treatment.
Characteristics of box type resistance furnace:
1. The shell of box type resistance furnace is made of high quality steel plate with electrostatic spraying on the surface and beautiful appearance;
2. The workroom is an integral furnace made of high alumina refractory. The heating wire is wound into a spiral shape and then wound in the four walls of the furnace. It has the characteristics of fast temperature rising, good heat preservation performance and uniform furnace temperature;
3. The electric furnace temperature controller used with the electric furnace adopts the new single chip microcomputer technology, which has the advantages of accurate temperature control and convenient use.
Vacuum Oil Quenching Furnace
Vacuum Carburizing Furnace
industrial vacuum pumps,vacuum furnaces
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