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What is the main shaft oil leakage of vibrating screen

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According to the analysis of the causes of oil leakage of ultrasonic vibration screen, two points should be done to solve the problem: one is to keep the main shaft bearing at a proper temperature; the other is to eliminate the influence of eccentric part of eccentric shaft on the medium (air or total loss system oil) in the process of rotation. And these two points are complementary, especially the latter has a greater impact on the former.
 What is the main shaft oil leakage of vibrating screen
Through the practical test, it is effective to add grease into the oil cup and fill the full loss system oil into the closed cavity to lubricate the main shaft bearing at the same time. On the one hand, the lubricating grease has good lubricating performance, which can also block the bearing assembly gap and prevent oil leakage; on the other hand, the oil used in the total loss system has good fluidity and good cooling effect, which can ensure that the main shaft bearing is in a good working environment. After finding a good lubrication method for the spindle bearing, how to eliminate the influence of eccentric shaft eccentric part on the medium in the closed cavity (oil for total loss system) in the process of rotation is as follows:
 How to deal with oil leakage of vibrating screen spindle
(1) A sheath is welded to the eccentric shaft at the end of the shaft. The sheath is a cylinder made of 3mm thick Q235 steel plate. The radius of the inner cavity of the cylinder is the sum of the radius of the eccentric shaft and the eccentricity. The purpose of welding the sleeve of eccentric shaft is to give the lubricating oil a relatively calm and relatively uniform annular motion space. When the lubricating oil moves in this annular space, the collision and friction between the oil and liquid are reduced, so as to ensure the stability of the oil temperature. At the same time, the lubricating oil moves in a relatively uniform annular space. Due to the low rotation speed, the outward centrifugal force is small, which ensures that the lubricating oil is relatively calm and does not leak outward. However, the lubricating oil can penetrate into the bearing to lubricate the bearing.
 Oil leakage of vibrating screen spindle
(2) In order to ensure the connection strength between the sheath and the eccentric shaft, epoxy resin can be poured between the sheath and the eccentric shaft. Because of the strong bonding property of the epoxy resin, it can firmly fix the sheath and the eccentric shaft as a whole, so as to avoid the deformation of the sheath when rotating.
 Reasons for oil leakage of vibrating screen spindle
(3) The eccentricity of the sheath itself is taken into account in order to offset the eccentric moment of the shaft. In order to solve this problem, the eccentricity of eccentric shaft can be increased appropriately, but the eccentricity cannot be increased too much, because the larger the eccentricity, the higher the machining cost of eccentric shaft.
 Solution to oil leakage of vibrating screen spindle


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