The metal powder and other mechanical impurities used in the oil circuit of the hydraulic system to keep the oil circuit clean and prolong the life of the hydraulic system.The filter layer of the filter element adopts non-composite glass fiber filter material, which has high strength, high temperature and corrosion resistance, large dirt holding capacity and good filtering performance.The inner support net of the filter element is a 1.5MM thick spiral welded round hole net, which has large supporting force and strong resistance to pressure.There are three main factors that affect the life of Hedeke filter element: Filter element filtration performance 1. Filtration accuracy: Filtration accuracy refers to the ability of filter materials to filter particles of different sizes.The filtration accuracy is high, and the life of the filter element is short.2. Pollution holding capacity The pollution holding capacity refers to the weight of the particulate pollution that a unit area of â??â??the filter material can hold when the pressure drop of the filter material reaches the specified value during the test.The filter element hole is susceptible to the accumulation of particulate pollutants through the channel, which increases the pressure difference. When the pressure difference reaches the specified value, the service life is terminated.The direct parameter reflection of the end of life of the filter element is that the pressure difference between the upstream and downstream of the filter element has reached the pressure at which the bypass valve is opened. At this time, the dirt holding capacity of the filter element has also reached a large value. Ability, that is, to increase the life of the filter element.3. In terms of the process parameters of the filter element, the wave height, wave number and filter area should be changed under the premise that the shape of the filter element has been determined. The process parameters such as wave number should increase the effective filter area of â??â??the filter material as much as possible, which can reduce the flux and per unit surface of the filter material. Increase the dirt holding capacity of the entire filter element and improve the life of the filter element.By increasing the filter area of â??â??the filter element, the service life of the filter element tends to increase faster. If the wave number increases too much, the crowded folding wave will reduce the hydraulic oil flow space between the waves and increase the pressure difference of the filter element! The time for the differential pressure alarm is short, and the service life is reduced.Generally, it is advisable to keep the wave spacing at 1.5-2.5mm.
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