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Select the lubricating oil according to different Impact crusher bearing

Date: 12/06/2012   Print   collection 　　Select the lubricating oil according to different Impact crusher bearing
        Impact crusher bearing lubrication also may have a fluid lubrication, boundary lubrication and mixed lubrication and in three cases.These three situations can be transformed into each other under certain conditions.In the oil viscosity is constant, the friction properties and friction between the value of qualitative analysis.
　　If the choice of the appropriate N/P value, you can get better lubrication.Assumed to be a constant value, can pass through the reasonable selection of N (i.e. a line shaft speed V) and axial pressure F to get the best lubrication condition.Of course, in the P and V have been determined, then through the reasonable selection of spoon value to adjust its friction properties, this is we need a reasonable selection of lubricant under the theory of.
　　In running state, impact crusher shaft and the bearing gap is filled with hydraulic fluid, thus forming an oil film, but now the oil film thickness must be greater than the allowable requirements of oil film thickness, commonly used in sliding bearing of impact crusher the minimum oil film thickness of allowable value of the minimum film thickness and oil the shaft and the bearing of impact crusher machining accuracy, which requires the minimum oil film thickness must be larger than the shaft and the bearing of impact crusher surface finish and, otherwise, to ensure good lubrication.
　　When the oil viscosity is determined, then consideration should be given to the selection of oil product.When used according to impact crusher bearing working conditions, mechanical condition and equipment requirements, control oil performance, specifications.The general should first consider the acid value, mechanical impurity, pour point, flash point, water soluble acid or alkali, water resistance, abrasion resistance, extreme pressure property, oxidation resistance etc..
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