Method and device for measuring oxidation resistance of lubricating oil
A technology of anti-oxidation and lubricating oil, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of reducing the oxidation rate of lubricating oil, inaccurate anti-oxidative ability of lubricating oil, inability to simulate, etc., and achieve the effect of accurate measurement results
Inactive Publication Date: 2017-03-15
FOSHAN UNIVERSITY
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Problems solved by technology
However, the temperature of lubricating oil in mechanical equipment changes: when flowing through the surfaces of the friction pairs to be lubricated, the temperature is high due to shear and pressure, and the temperature will decrease when flowing through the oil tank to take away the oil flowing through the friction pairs. The heat generated or absorbed during the process can reduce the oxidation rate of the lubricating oil and prevent the heat from adversely affecting the transmission performance of the friction pair
Therefore, it is not accurate to simply measure the oxidation resistance of the lubricating oil after heating, and it is impossible to simulate the actual working situation
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[0028] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0029] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.
[0030] figure 1 A flow chart of a method for measuring the oxidation resistance of lubricating oil according to an embodiment of the present invention is shown.
[0031] Such as figure 1 Shown, according t...
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The invention provides a method and a device for measuring oxidation resistance of lubricating oil. The method comprises: step 1, filling a container with the lubricating oil to be measured; step 2, enabling the lubricating oil in the container to reach first temperature and keeping the temperature for time t1; heating the lubricating oil in the container to second temperature and keeping the temperature for time t2; step 3, cooling the lubricating oil in the container to the first temperature; step 4, judging whether a pre-set end condition is reached or not; if the end condition is reached, then carrying out step 5; if the end condition is not reached, continually returning back to carry out step 2; step 5, measuring oxidability parameters of the lubricating oil to obtain oxidation resistance capability of the lubricating oil. By adopting the method provided by the invention, an oxidization temperature change process of the lubricating oil in an actual machine can be simulated very well, so that a measured result has better actual guiding significance, and the measured result is more accurate.
Description
technical field [0001] The invention relates to the field of testing properties of lubricating oil for mechanical equipment, and more specifically, relates to a method and a device for measuring the oxidation resistance of lubricating oil. Background technique [0002] During use, lubricating oil will be oxidized due to contact with oxygen, which will increase its viscosity and increase its corrosion resistance, thereby affecting its lubricating performance on mechanical equipment. Generally, the stronger the anti-oxidation ability of lubricating oil, the longer its service life. Therefore, when developing lubricating oil, selecting lubricating oil for equipment, and comparing the performance of different brands of lubricating oil, it is often necessary to know the size of its antioxidant capacity. [0003] Temperature is the main factor affecting the oxidation rate of lubricating oil. The existing lubricating oil oxidation determination method (such as SH / T 0196 and SH / T 0...
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IPC IPC(8): G01N17/00
CPCG01N17/00
Inventor 刘峰璧沈自林吕梅香陈就李纪雄袁庆丹张定
Owner FOSHAN UNIVERSITY