A kind of lubricating grease for industrial robot and preparation method thereof
An industrial robot and grease technology, which is applied in the petroleum industry, lubricating compositions, etc., can solve the problems of grease oxidation resistance, water resistance and colloidal stability, large friction coefficient, and weak extreme pressure and fretting wear resistance. , to achieve the effect of improving the anti-fretting wear performance, reducing the friction coefficient and excellent anti-fretting wear performance
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Embodiment 1
[0042] The invention provides a lubricating grease for industrial robots, which is composed of a base oil, a tetrapolyurea-composite calcium sulfonate thickener, an antioxidant, a solid additive, an extreme pressure antiwear agent, an antirust agent and an antifoaming agent. In the lubricating grease for industrial robots, the percentage by weight of the base oil one is 55%, the percentage by weight of the tetrapolyurea-complex calcium sulfonate is 35%, and the weight percentage of the antioxidant The percentage is 2%, the weight percentage of the described solid additive is 3.99%, the weight percentage of the described extreme pressure antiwear agent is 3%, the weight percentage of the described rust inhibitor is 1%, and the described antifoam The weight percent of agent is 0.01%.
[0043] Further, the base oil one is a mixture of polyether oil and ester oil with a weight ratio of 4:1, and the kinematic viscosity at 40°C is 50-60mm 2 / s.
[0044] Further, the polyether oil ...
Embodiment 2
[0063] The invention provides a lubricating grease for industrial robots, which is composed of a base oil, a tetrapolyurea-composite calcium sulfonate thickener, an antioxidant, a solid additive, an extreme pressure antiwear agent, an antirust agent, and an antifoaming agent . In the lubricating grease for industrial robots, the percentage by weight of the base oil one is 60%, the percentage by weight of the tetrapolyurea-complex calcium sulfonate is 30%, and the weight percentage of the antioxidant The percentage is 2%, the weight percentage of the described solid additive is 3%, the weight percentage of the described extreme pressure antiwear agent is 3%, the weight percentage of the described rust inhibitor is 1.98%, and the described antifoam The weight percent of agent is 0.02%.
[0064] Further, the base oil one is a mixture of polyether oil and ester oil with a weight ratio of 5:2, and the kinematic viscosity at 40°C is 50-60mm 2 / s.
[0065] Further, the polyether o...
Embodiment 3
[0084] The invention provides a lubricating grease for industrial robots, which is composed of a base oil, a tetrapolyurea-composite calcium sulfonate thickener, an antioxidant, a solid additive, an extreme pressure antiwear agent, an antirust agent, and an antifoaming agent . In the lubricating grease for industrial robots, the percentage by weight of the base oil one is 50%, the percentage by weight of the tetrapolyurea-complex calcium sulfonate is 40%, and the percentage by weight of the antioxidant The weight percentage is 1%, the weight percentage of the described solid additive is 3%, the weight percentage of the described extreme pressure antiwear agent is 3.97%, the weight percentage of the described rust inhibitor is 2%, and the weight percentage of the described anti-rust agent The weight percent of foaming agent is 0.03%.
[0085] Further, the base oil one is a mixture of polyether oil and ester oil with a weight ratio of 3:2, and the kinematic viscosity at 40°C is...
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