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Wuhan Shangda Hengjing Heat Treatment Technology Co., Ltd.
Contact：Cai 18271487005
Gao 17307101490 / Wang 18627088061E-mail：caipeng_ok@126.com
ADD：No. 88, Fengshu South Street, Wuhan Economic Development Zone
IPSEN multi-purpose furnace
Heating is one of the important processes of heat treatment. There are many heating methods for metal heat treatment, the earliest is the use of charcoal and coal as a heat source, and the use of liquid and gas fuel. The use of electricity makes the heating easy to control and no environmental pollution. The use of these heat sources can be directly heated, can also be through the molten salt or metal, as well as floating particles for indirect heating.
- Commodity name： IPSEN multi-purpose furnace
Product Details
Heat treatment process generally includes heating, heat preservation, cooling three processes, sometimes as long as the heating and cooling two processes. These processes are interlinked and uninterrupted.
Heating is one of the important processes of heat treatment. There are many heating methods for metal heat treatment, the earliest is the use of charcoal and coal as a heat source, and the use of liquid and gas fuel. The use of electricity makes the heating easy to control and no environmental pollution. The use of these heat sources can be directly heated, can also be through the molten salt or metal, as well as floating particles for indirect heating.
When the metal is heated, the workpiece is exposed to the air, and oxidation and decarburization often occur (that is, the carbon content of the steel parts is reduced), which has a very negative effect on the appearance of the parts after heat treatment. Therefore, the metal should generally be heated in a controlled atmosphere or maintenance atmosphere, molten salt and vacuum, and can also be used for maintenance heating by coating or packaging.
The heating temperature of heat treatment processing is one of the important process parameters of heat treatment process, and the selection and control of heating temperature is the main problem to ensure the quality of heat treatment. The heating temperature varies with the metal material being treated and the purpose of the heat treatment, but is generally heated above the phase transition temperature to achieve a high temperature arrangement. In addition to change the demand for a certain time, so when the metal workpiece surface reaches the required heating temperature, it must also adhere to a certain time at this temperature, so that the temperature inside and outside are common, so that the microscopic arrangement can be completely changed. This time is called the heat preservation time. When using high-energy density heating and external heat treatment, the heating speed is extremely fast, generally there is no heat preservation time, and the heat preservation time of chemical heat treatment is often longer.
Cooling is also a process that cannot be short in the process of heat treatment. The cooling method varies from process to process, mainly to control the cooling speed. Generally, the cooling rate of annealing is the slowest, the cooling rate of normalizing is faster, and the cooling rate of quenching is faster. However, there are different requirements due to different steel types. For example, air-hard steel can be hardened with the same cooling rate of normalizing.
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