Posted: November 3rd, 2024

Several methods of cylindrical roller bearing failure handling

Assessment Brief According to FAG formation mechanism of grinding badness layer of bearings working surface, the main factors influencing the grinding metamorphic layer is a function of grinding and grinding force. The analysis about the causes of failure of cylindrical roller bearing.1. The main purpose of the preload: the main purpose of the preload and representative examples can cite some examples to prove look at:Vibrations cause the overall eccentric bearing failure reason(1) the right decision radial direction and axial direction of the axis position at the same time, inhibition of the shaft.(2) improve the FAG bearing rigidity. Machine tool spindle with the bearings, cycling differential pinion bearing.(3) to prevent vibration and axial direction due to the resonance caused by the different sound. With small motor bearings.For cylindrical roller bearing under combined load function, due to the number of rolling element load increasing, the friction resistance increases, the amount of fever, lubrication and cooling conditions, but also increases, the force applied to keep the rack, therefore, must according to FAG bearing type and the size of the load Angle, cut bearing limit speed multiplied by a coefficient of f2 to regulate them.If selected the limit velocity speed cylindrical roller bearing application requirements cannot be satisfied, can use some method of improvement skills progress, to get to meet the request. Such as increasing bearing poor tolerance level; Appropriate increase clearance; Use special materials and improved in frame structure; Shift the lubrication method, such as oil and gas, oil mist with jet lubrication; Improved cooling conditions, etc.In the process of using a FAG bearing is easy to appear the phenomenon of temperature rise. When the temperature rise of cylindrical roller bearing, first of all determine whether wrong operation, such as really rise, should do the followingProcessing:(1). Check the cooling water pressure, water flow and pipeline system is normal. If water is likely to be lower filter blockage, cannot be handled in a timely manner, to stop treatment, when confirm can work, then put into use.(2). Check the governor oil pressure, if the low oil pressure may lead to water hydraulic valve closed.(3). Check for different FAG bearing, cylindrical roller bearing and testing degrees whether there are abnormal.(4). Is sample observation oil color have change, and tests to see if metamorphism. If confirm the degradation new oil should be replaced downtime.(5). Check the oil standard oil level is normal, if abnormal, check that the sump oil discharge valve is shut. If the matter, should fill oil, if is the sealant mat permeability oil, should stop processing.

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