The problem of grease drying and hardening caused by oil separation, if this process occurs during the operation of machine components, such as bearings and gears, will have adverse consequences for their normal operation. As the grease drys and hardens, the friction intensifies, causing the bearing temperature to rise, and the rising temperature in turn increases the speed of grease drying.
In most cases, the serious dryness of grease is the result of many factors. Let 's start with the main reason of grease dryness.
Once a grease dry cause blockage, thickener will be stuck in the machine, the loss of base oil. In the centralized lubrication system, grease dry blockage is more likely to occur in the pipeline between the oil pump and the nozzle. In order to prevent the problem of dry clogging of grease, the choice of grease is very important. Good quality grease has low oil separation trend and good stability in the mechanical shearing process. In addition, attention should be paid to maintaining the flow rate of grease enough to prevent grease from being static, because it will cause oil separation and blockage. Some grease thickener fiber is longer, such as sodium grease, is more likely to encounter this problem.
Select the appropriate, good reputation grease, and use the grease as recommended.
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Mechanical oil, Chinese full name is ‘ total loss system oil ‘. It is a general quality lubricating oil tobtained by dewaxing, solvent refining and clay treatment of petroleum lubricating oil fractions. It is suitable for gearboxes, bearings and other general lubrication points with operating temperatures below 60 °C.Engine lubricating oil, can play a role…
Lubricating oil = base oil + thickener + additive, in which base oil is the main component of grease. The role of thickener is like sponge, and lubrication is based on base oil. In the process of use, we should pay attention to the condition of grease. If there is oil leakage, we should deal…