Date: 2013-08-22

The thickening agent of fiber structure and shape effects on SKF bearing vibration and noise

In the test of grease, the grease thickener fiber structure and shape were observed by scanning electron microscopy. Both thickener fiber small urea grease or lithium base grease, or thickener fiber thick composite lithium and lithium base grease, vibration and noise of their thickener fiber shape and SKF bearing no direct relationship. The relationship can be understood as the lubricating principle and thickening of the grease SKF bearings agent shape is not obvious, that is to say with properties of base oil of lubricating grease on the oil film is greater than the effect of thickening agent. But in the bearing machining accuracy and is not high, the relative density of the thickeners fiber structure can to a certain extent damping roller in the axial movement, contribute to reduce the overall noise bearing. The relationship between performance of greases and grease SKF bearings vibration performance is system dependent, when the system elements are changed, the main contradiction in the system changed. Same precision bearings of different models of the same type of bearing, bearing different at different speed and different test instrument results are not all the same. But can clearly draw such a conclusion: through the control of low noise grease in a certain range of colloidal properties and rheological properties, can successfully produce low noise is relatively excellent SKF bearing noise performance of seal bearing grease.  

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