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Bearing oil seal drainage

Old 10-28-2014, 09:46 PM
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Default Bearing oil seal drainage

Oil seal, agricultural machinery and all kinds of mechanical equipment of the important parts, IKO bearing insert spy plane is from above, relative IKO between two columns and the cylindrical roller bearing has been widely used around the center. The performance and quality directly affects the reliability of agricultural machinery and all kinds of mechanical equipment. In some years, oil seal life at least a few months or even SKF 61904 Bearing Distributor waste for law. This situation seriously affect the efficiency of the all kinds of agricultural machinery and mechanical equipment, not only increase in fuel consumption and production cost, and environmental pollution.
A, 1, free state storage, preservation, edge diameter is small, has a certain diameter of the shaft interference. 2, after installation, the blade and interference compression spring contraction force in certain radial pressure caused by the axis of rotation. 3, work, and the oil seal lip radial pressure of 0.25 0.5 mm width band formation sealing contact. Role stress function and anticorrosive oil edge form the oil film between a layer of crispy. Grease in the internal communication of friction and lubrication oil film extrusion and the surface tension of the mixed oil and oil seal edge along the surface of the formation of "new moon", to prevent oil spill sealing role play.
Second, the main factors causing oil seal oil seal leakage rule, the main factors causing the spill. When the shaft wear and tear, even a groove to form a new oil seal replacement is still unable to sealing lip, when the shaft seal contact pressure drop, after installing the oil seal lip interference quantity and the axis neck diameter is too small. Now a S195 diesel engine crankshaft oil seal, seal, etc. Analysis of the law, the main reasons: (1) oil seal manufacturing quality is poor; (2) poor quality of IKO bearings; About IKO bearing or wrong operation; (3) measurement error tolerance does not mean that can relax control 10%; (5) х improperly installed improperly, the negative impact of environmental pollution.
Third, oil seal, and in game 1, absorption and conjoined basic knowledge, selection criteria, identify false and inferior product quality packing. 2, installation, if the external carotid low surface roughness or yellow, rust and other defects, the burr, fine sandpaper smooth or block; Oil seal lip or neck or grease oil related regulations. Bearing oil seal coating in cardboard scarf as risk avoiding, oil seal lip trough special tools will be stored in the media to not hard to hit hard, in case of oil seal spring deformation or fracture, a lot of trouble; If there is an edge flanging, spring, fall off and closed curve had to cancel the download again. Note: when the journal wear and seal spring force is not enough, don't push the internal spring without authorization. 3, suitable for general agricultural equipment seal poor working conditions, environmental temperature, dust, frequent replacement of tool vibration, generator set maintenance and check regularly. 4, shaft and bearing wear serious, IKO oil seal spring or rubber aging failure, should be in time for repair and replacement parts. 5, abnormal heat components or assemblies shall be timely troubleshooting, avoid mechanical overspeed, work fast, prevent oil seal lip, delicate lip early wear rubber aging, and so, often should check the oil - oil impurities, if alloy powder, metal scrap is too much, complete with new oil. Mark, an oil change and quality in line with the season. 7, the time should not keep oil seal, prevent with oil pollution, dust or the sun. 8, when the journal wear the "V" groove of the new oil seal lip contact pressure drop and the shaft seal oil can not play a role, can express the AR a two-component glue stick a 5, more stable and durable. You can also use the shear save method.
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