Gear oil for hybrid vehicle and preparation method of gear oil
A technology for gear oil and vehicles, applied in the field of lubricating oil, can solve the problems of unable to keep the tooth surface clean, gear oil dispersion and poor anti-wear performance, etc., achieve the effect of safe use, reasonable composition, and guaranteed anti-wear performance
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Embodiment 1
[0024] Embodiment 1: (in terms of 100 kilograms, the same below)
[0025]
[0026] The composite additive package contains 27.5% sulfur, 1.54% phosphorus and 0.9% nitrogen.
[0027] The preparation method of this synthetic vehicle gear oil adopts the following steps:
[0028] (1) Pump the oil-soluble polyalkylene glycol and synthetic ester base oil of the above weight into the blender with a gear pump, heat and stir, and mix evenly at a constant temperature of 60°C to obtain a mixed oil A;
[0029] (2) Add the compound additive package of the above weight to the mixed oil A prepared in step (1), and continue to mechanically stir for 2 hours at a constant temperature of 60°C to prepare mixed oil B;
[0030] (3) Filter the mixed oil B prepared in step (2), and filter it through a filter with a filter bag device under a pressure of 0.2 MPa to obtain a clear and transparent synthetic vehicle gear oil.
Embodiment 2
[0032]
[0033] The composite additive package contains 36.1% sulfur, 1.22% phosphorus and 2.5% nitrogen.
[0034] The preparation method of this synthetic vehicle gear oil adopts the following steps:
[0035] (1) Pump the oil-soluble polyalkylene glycol and synthetic ester base oil of the above weight into the blender with a gear pump, heat and stir, and mix evenly at a constant temperature of 55°C to obtain a mixed oil A;
[0036] (2) Add the compound additive package of the above weight to the mixed oil A prepared in step (1), and continue to mechanically stir for 1.5 hours at a constant temperature of 55°C to prepare mixed oil B;
[0037] (3) Filter the mixed oil B prepared in step (2), and filter it through a filter with a filter bag device under a pressure of 0.15 MPa to obtain a clear and transparent synthetic vehicle gear oil.
Embodiment 3
[0039]
[0040]
[0041] The composite additive package contains 36.5% sulfur, 1.21% phosphorus and 0.9% nitrogen.
[0042] The preparation method of this synthetic vehicle gear oil adopts the following steps:
[0043] (1) Pump the oil-soluble polyalkylene glycol and synthetic hydrocarbon base oil of the above weight into the blender with a gear pump, heat and stir, and mix evenly at a constant temperature of 50°C to obtain a mixed oil A;
[0044] (2) Add the compound additive package of the above weight to the mixed oil A prepared in step (1), and continue mechanical stirring for 1 hour at a constant temperature of 50°C to prepare mixed oil B;
[0045] (3) Filter the mixed oil B prepared in step (2), and filter it through a filter with a filter bag device under a pressure of 0.1 MPa to obtain a clear and transparent synthetic vehicle gear oil.
PUM
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Abstract
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