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wyb2020
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Beiträge: 2 | Punkte: 950 | Zuletzt Online: 13.01.2021
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    • wyb2020 hat den Blog-Artikel "High quality vacuum furnace" geschrieben. 13.01.2021

      High quality vacuum furnace

      The vacuum furnace eliminates the oxidation and decarburization of the workpiece surface in the heating process, and can obtain a clean surface without deterioration layer. The heating chamber of the vacuum furnace is made of high-quality heat insulation materials with heat insulation walls and barriers, which can highly concentrate the electric heating energy in the heating chamber, with remarkable energy-saving effect. The following is a professional analysis of the functions of the vacuum furnace:

      Vacuum quenching (tempering, annealing) is a treatment method to achieve the expected performance by heating and cooling the material or parts in vacuum according to the process specification.

      Vacuum brazing is a welding process in which a group of weldments are heated to a temperature above the melting point of the filler metal but below the melting point of the base metal in vacuum, and a weld is formed by the wetting and flowing of the filler metal to the base metal (the brazing temperature varies with different materials).

      Vacuum sintering is a method of heating metal powder products in vacuum to make adjacent metal powder grains form parts by adhesion and diffusion. Vacuum magnetization is mainly used for magnetization of metal materials.

    • wyb2020 hat das Thema "Parts processing technology of oil quenching vacuum furnace" erstellt. 13.01.2021

    • wyb2020 hat den Blog-Artikel "Influence of working conditions on the service life of slurry pump" geschrieben. 29.09.2020

      Influence of working conditions on the service life of slurry pump

      Slurry pump in different industries play a different role, then the wear conditions are different, so the service life is also different. Slurry pump has been used in mineral processing, electric power, coal washing, sand separation and other fields. In the mineral processing industry, the working condition of ore primary separation is bad, so the service life of slurry pump is low. Of course, different ores have different abrasivity.

      For example, in the concentrate transportation section, the relative abrasion resistance is reduced, and the overall service life of the pump is longer. In the field of coal washing, larger coal block and coal gangue are easy to block the slurry pump, which is also easy to reduce the service life of slurry pump. In the fields of electric power, sand selection and other fields, due to the different working environment, there are different degrees of abrasion on the special pump of aerated concrete, which has a certain impact on the service life of the submerged slurry pump. Therefore, in the purchasing process, the general user often asks the service life of the supplier's products.

      Strictly speaking, any manufacturer will not promise an accurate service life cycle for users without any basis, because the service life of flow passage components depends on many different factors, and the diversity and complexity of working conditions lead to different service life of materials with the same quality. But in the early selection aspect, we can let the powerful manufacturers help to select the type. The use of aerated concrete pump is easy to wear, and its service life is also greatly affected. However, the use efficiency of slurry pump can be higher through reasonable design, correct operation and regular maintenance.

    • wyb2020 hat das Thema "Working environment requirements of vacuum pump" erstellt. 29.09.2020

    • wyb2020 hat den Blog-Artikel "hydraulic pump is cooled" geschrieben. 18.08.2020

      1) Cooling the hydraulic pump and motor shell with oil, avoid making the pressure inside the shell high. It is sometimes necessary to provide oil to the casing of the hydraulic pump and motor in order to cool them. But remember not to make the oil pressure on the high side of the case, otherwise, it will cause the damage of hydraulic pump and motor shaft seal, together with some plunger pump will add oil suction chamber plunger out of the resistance.

      2) When the hydraulic pump is often in zero bias or the working pressure of the system is lower than 8MPa, so that the hydraulic pump leakage is too small and cause the pump body heat, you can choose the oil forced circulation cooling.
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