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  • Comprehensive and detailed! Complete knowledge of steel quenching!

    Comprehensive and detailed! Complete knowledge of steel quenching!

    The definition and purpose of quenching The steel is heated to a temperature above the critical point Ac3 (hypoeutectoid steel) or Ac1 (hypereutectoid steel), kept for a period of time to make it fully or partially austenitized, and then cooled at a speed greater than the critical quenching spee...
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  • PJ-Q1288 Vacuum gas quenching furnace installed in South africa

    PJ-Q1288 Vacuum gas quenching furnace installed in South africa

    In March 2024, our first vacuum gas quenching furnace was installed in south africa. This furnace is made for our customer veer aluminium company, a top aluminium manufacturer in africa. it is mainly used for the hardening of moulds made by H13, which is used for the aluminium extrusion. it is a ...
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  • Shandong Paijin Intelligent Equipment Co., Ltd. Celebrates Successful Post-CNY Orders

    Shandong Paijin Intelligent Equipment Co., Ltd. Celebrates Successful Post-CNY Orders

    Shandong Paijin Intelligent Equipment Co., Ltd., a leading producer of vacuum air quenching furnaces, oil quenching vacuum furnaces, water quenching vacuum furnaces, and more, has seen a remarkable start to the year with the successful fulfillment of orders after the Chi...
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  • Why does the quenching temperature of box vacuum furnace not rise? what is the reason?

    Why does the quenching temperature of box vacuum furnace not rise? what is the reason?

    Box-type vacuum furnaces generally consist of a host machine, a furnace, an electric heating device, a sealed furnace shell, a vacuum system, a power supply system, a temperature control system and a transport vehicle outside the furnace. The sealed furnace shell is weld...
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  • How to safely operate a vacuum sintering furnace?

    How to safely operate a vacuum sintering furnace?

    Vacuum sintering furnace is a furnace that uses induction heating for protective sintering of heated items. It can be divided into power frequency, medium frequency, high frequency and other types, and can be classified as a subcategory of vacuum sintering furnace. The v...
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  • Factors Affecting the Price of Vacuum Furnaces

    Factors Affecting the Price of Vacuum Furnaces

    The factors that affect the price of vacuum furnace mainly include the following aspects: Specifications and functions of equipment: The specifications and functions of a vacuum furnace directly affect its price. The standard includes parameters such as the size, power, heating temperature range,...
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  • Test process of vacuum furnace

    Test process of vacuum furnace

    The vacuum furnace has a high degree of automation and can be operated automatically when in use. However, in order to better complete the work under automatic control, the automatic control system needs to detect the vacuum degree, temperature parameters, process operating parameters and the wor...
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  • Matters needing attention in the use of vacuum sintering furnace

    Matters needing attention in the use of vacuum sintering furnace

    The innovation of science and technology is of great help to the improvement of productivity. Vacuum sintering furnace is a good example. It is widely used in modern industrial production. The use of vacuum sintering furnace has greatly improved the mechanical and chemical properties of materials...
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  • Vacuum furnace cooling method

    Vacuum furnace cooling method

    Vacuum furnace annealing is a metal heat treatment process, which refers to the heat treatment method of slowly heating the metal to an appropriate temperature, keeping it for a sufficient time, and then cooling it at an appropriate speed, sometimes natural cooling, sometimes controlled speed coo...
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  • Welcome Russia customers visit our factory.

    Welcome Russia customers visit our factory.

    Last week. Two respective customers from Russia visited our factory, and have checked our manufacture progress. The respective customers are interested in our Vacuum Furnace. They need a Vertical type furnace for the vacuum brazing of stainless steel ...
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  • Vacuum quenching furnace process and application

    Vacuum quenching furnace process and application

     Vacuum heat treatment is a key process to improve the physical and mechanical properties of metal parts. It involves heating the metal in a closed chamber to a high temperature while maintaining a low pressure, which causes the gas molecules to evacuate and enables a more uniform heating process...
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  • Last saturday, Pakistan customers come to PAIJIN for furnace Preshipment inspection Gas quenching furnace Model PJ-Q1066

    Last saturday, Pakistan customers come to PAIJIN for furnace Preshipment inspection Gas quenching furnace Model PJ-Q1066

    On Last Saturday. March 25,2023. Two honorable expericed engineers from Pakistan visited our factory for the Preshipment Inspection of our product Model PJ-Q1066 Vacuum Gas Quenching Furnace.    In this inspection. Customers checked the structure, materials, components, brands, and capaciti...
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