Extendable filter system for machine tools - special magnetic filter -

basic information

■Removal of fine particles is possible Magnum can capture fine magnetic particles (submicron: 10μm to 0.07μm) that cannot be removed by filters using filter paper or mesh, such as cartridge filters. ■No clogging Due to its special structure, where magnets are sandwiched between special plates, it does not block the flow path in the area where iron powder is captured. Therefore, it does not cause any clogging or pressure loss. Even when the capture capacity limit is reached, it does not hinder the operation of the device. ■Powerful capturing ability The magnets enhance the magnetic flux through a special arrangement, resulting in a significant difference in the capturing ability of iron powder compared to simple magnets. Unlike conventional magnet filters, which can only capture contaminants from liquids close to the magnets, this structure greatly improves the cleanliness of the fluid. ■No re-release Captured contaminants are stored in a powerful accumulation area separate from the flow path. The dangerous phenomenon that can occur with regular magnet filters, where the magnetic force weakens as you move away from the magnet, causing once-captured and solidified contaminants to re-release as clumps, does not happen at all.

Price range

Delivery Time

Applications/Examples of results

By Industry ■ Hydraulic Systems Hydraulic power units for factories / Hydraulic devices for processing machines, etc. / Hydraulic testing equipment / Construction machinery / Ships Mining machinery / Agricultural machinery / Railways / Large transmissions / Transmissions for wind power generation equipment / Transmissions for coal pulverizers in thermal power plants / Transmissions for kilns and coal pulverizers in cement plants / Transmissions for feed roller drives in factories / Transmissions for stirring and calendar machines in factories / Transmissions for crushing, grinding, and refining processes in mines and metal manufacturing plants / ■ Automobiles and Motorcycles Transmission oil / Power steering / Engine oil ■ Water Cooling and Heating Systems Cooling systems for injection molding molds / Industrial and power generation cooling lines Industrial and power generation steam lines (liquid only) / Cooling liquids for steelmaking lines Quenching liquids / Cutting fluids for processing machines and machine tools / Lathes, milling machines, etc. Processing oils for electrical discharge machines / Various cleaning liquids / Hardening cooling liquids

Detailed information

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  The purpose of this test is to determine the total amount of chips that can be collected by the "Magnum." The "Magnum" is installed downstream of the tank and upstream of the cartridge filter. The expected extension of the system's lifespan due to the "Magnum" filter will be measured by the difference in the total amount of accumulated dirt collected during the benchmark test and the evaluation test of the "Magnum" system. Cartridge Filter Alone: Initial flow rate 30 L/min Immediately after operation, the flow rate drastically decreased to 30–27 L/min (equivalent to a dirt accumulation of 200,000 mm³), and by the end of the test, it had dropped to 14 L/min (equivalent to a dirt accumulation of 615,000 mm³). "Magnum" Filter: Initial flow rate 30 L/min Until the dirt accumulation reached 1,445,000 mm³, there was almost no change in the flow rate. After that, when the cartridge filter became full and the test ended, an additional 1,215,000 mm³ of dirt had accumulated.

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  The trend of the change in delivery pressure is similar to the curve of flow rate. However, the degree of change is greater than that of the flow rate, resulting in an observed pressure drop of approximately 80%. For reference, the change in flow rate was about 50%.

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  The degree of pressure change in the cartridge filter progressed consistently in all tests, as verified by "flow rate changes due to dirt accumulation" and "delivery pressure changes due to dirt accumulation." The pressure difference at the point when the filter needed to be replaced was approximately 3 bar (98 mV, 43.5 psi) (5 bar when the machine was stopped). At this time, the pressure fluctuation in the "Magnum" was below 0.15 bar (4.5 mV, 2 psi), which was measured when the dirt accumulation level reached about 80% of what the "Magnum" could tolerate.

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  The "Magnum" filter system has the following two main benefits: 1) It raises the filter's "threshold (limit level)." 2) It reduces the degradation of the filter. Attached is a microscopic photograph of debris taken from "Magnum" (with a 10-micron scale), which shows that the particle distribution is widely spread from approximately 1 micron to several thousand microns.

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  Many parts of the debris are clumped together or tangled, and a typical example can be seen in the sample photo taken from the following "Magnum."

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