Gearbox lubricating agent composition and preparation method thereof
A technology of lubricant composition and gearbox, which is applied in the fields of gearbox lubricant composition and its preparation, anti-leakage lubricant composition and its preparation, and can solve the problem of unreasonable structural design of the reducer and leakage of the seal in the gearbox To achieve excellent low-speed and heavy-load shear stability, reduce heat, and inhibit tooth surface pitting
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[0039] The present invention also provides a preparation method of a gearbox lubricant composition, comprising the step of mixing the components of the composition.
[0040] Preferably, the method comprises the steps of:
[0041] (1) Pour the base oil into the stainless steel blending kettle, stir evenly, and heat up to 70-90°C;
[0042] (2) Pour the adhesive into the stainless steel mixing kettle, keep warm and stir evenly for 20-30 minutes;
[0043] (3) Pour polyurea-based grease into a stainless steel blending kettle, keep warm and stir evenly for 30-40 minutes;
[0044] (4) Cool down to 45-55°C, put anti-micropitting additives, extreme pressure anti-wear agents, antioxidants, and friction modifiers into the stainless steel blending kettle, keep warm and stir evenly for 30-40 minutes;
[0045] (5) The material in the stainless steel blending kettle is beaten out, and the finished composition is obtained after grinding.
Embodiment 1
[0048] Mix 42 parts of pentaerythritol ester base oil (U.S. Hatco company, brand: HATCOL3320, the same below) with 5 parts of cyclohexane diisocyanate (Yutai Haina Environmental Protection Technology Co., Ltd., brand: MDI-100), and heat to Dissolved at 75°C to obtain the first solution; 45 parts of pentaerythritol ester base oil and 4 parts of octadecylamine (Sichuan Tianyu Oleochemical Co., Ltd., brand: 9518) were mixed, heated to 75°C, and then 2 parts of aniline ( Dongying Longxing Chemical Co., Ltd., brand: aniline) and 2 parts of methylaniline (Shanghai Yiji Industrial Co., Ltd., brand: methylaniline), stir evenly to obtain the second solution; inject the first solution into the second solution Mix and stir at a constant temperature, then raise the temperature to 160°C, heat and stir to obtain polyurea-based grease.
[0049] Pour 23.5 parts of base oil polyalphaolefin (ExxonMobil Company of the United States, brand SPEOTRASYN40, the same below) and 25 parts of dipentaeryt...
Embodiment 2
[0051] Pour 23.5 parts of base oil polyalphaolefin and 25 parts of dipentaerythritol ester into a stainless steel blending kettle, stir evenly and raise the temperature to 80°C; put 8 parts of adhesive polyisobutylene PB24000 and double ester Priolube39867 parts into a stainless steel blending kettle, and heat evenly Stir for 30 minutes; put 30 parts of polyurea-based grease (preparation method is the same as in Example 1) into the blending kettle, keep warm and stir evenly for 40 minutes; 2.5 parts of phosphoric acid, 1 part of extreme pressure anti-wear agent methylene bis-dibutyl dithiocarbamate (Vanderbilt Company of the United States, brand Vanlube7723, the same below), 1 part of amine phosphate compound, antioxidant P, 1 part of p-octyl diphenylamine (Vanderbilt Company of the United States, brand Vanlube81, the same below), 1 part of friction modifier epoxy oleate (Wroda Company of the United Kingdom, brand PerfadFM3339, the same below), and inject The blending kettle w...
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