Modified gear oil
A gear oil and modification technology, applied in the petroleum industry, additives, lubricating compositions, etc., can solve the problems of reducing friction coefficient and increasing cost.
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Embodiment 1
[0024] Worm oil is one of the important branches of gear oil. The preparation of extreme pressure worm oil A: First, add 75kg of MVI 150BS bright oil with medium viscosity index and 25kg of 750SN neutral oil into the blending kettle with agitator. Stir at 75-80°C for 1-2 hours, and blend into 460 base oil. Then add 450g of 102 detergent (calcium petroleum sulfonate with medium alkali value), 1080g of 202 anti-oxidant and anticorrosion agent (thiophosphobutyloctyl zinc salt), 270g of 1001 anti-emulsifier (condensate of amine and epoxy oxide), 270g of 901 anti-corrosion agent Foaming agent (methyl silicone oil) 1g, 405 oily agent (sulfurized olefin cottonseed oil-1) 1900g, 306 extreme pressure antiwear agent (tricresyl phosphate) 1100g, continue to keep warm and stir for 1-2 hours, and prepare N460 extreme pressure worm Oil. The mass fraction of oily agent and extreme pressure antiwear agent in oil is 2.86%.
[0025] Preparation of extreme pressure worm oil B: 206g of nano-ca...
Embodiment 2
[0028] The above two oils were still used for comparative experiments. Experimental equipment: VWA42 worm reducer produced by Tianjin Beixin Miniature Reducer Factory; use JC torque speed sensor to measure transmission torque, and use PC201 mechanical efficiency meter to test mechanical efficiency. The output torques are 4.0 and 14.0Nm, respectively. Using EPWO B with 0.2% nanodiamonds increased the mechanical efficiency by 2.84% over EPWO A in both load cases.
Embodiment 3
[0030] In Royal 85w / 140 synthetic gear oil C, nano-carbon (mass fraction is 0.1%) was added, wherein diamond accounted for 60%, and oil D was made.
[0031]Oil D and synthetic gear oil C were used for comparative experiments. Equipment: AW lubrication and wear testing machine. Start the motor, add 2 weights and remove the oil box, so that the friction pair is in an oil-poor state. The load without weights is 65.3N, and the load with each weight is 117.6N. Add a weight every 10sec after the equipment is running. Start timing after the 12th weight is added until it gets stuck, and compare the time intervals during the period. Gear oil C was 113 sec, while gear oil D with 0.1% nanodiamond added was 310 sec. The latter is 2.74 times that of the former.
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