1, the oil needs. For example, insulating oil, filter through in order to achievehigh-precision high insulation value, and large module gears on the requirements of the impurities is much more extensive.
2, the oil viscosity. High-viscosity oil through a fine strainer is not required to reduce accuracy.
If the one-sided emphasis on cleanliness and the use of precision oil filter, oil filter will increase operating costs. Because:
(1) filter is often clogged and require frequent cleaning or filter replacement.
(2) increasing the axial compression, so the oil can rapidly through the filter, butoften so crushed filter.
(3) the addition of warm-up tank, raising the temperature, lower viscosity.
In general, the fine filter stage of filtration options are:
(1) insulating oil, choose 1 ~ 5μm.
(2) 46 # The following lubricating oil, turbine oil, election 10 ~ 20μm.
(3) engine oil, gear oil selected 20 ~ 50μm.
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