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What are the bearing lubrication way? - bearing knowledge

by:Waxing     2020-05-28
Plain bearing in use process, generally require lubrication, but for need lubrication bearing, a lot of people will ask what are the ways for lubrication bearing? What are the bearing lubrication way? China bearing network according to the summary, tell everyone basically has the following 11 kinds of way can make the bearing lubrication. What are the bearing lubrication way? A, manual lubrication is the most primitive method, and in the case of insufficient bearing lubricating oil, with oil lubricator. But this method is difficult to maintain a certain oil and a greater risk for negligence forget refueling, usually only used for light load, low speed or intermittent movement of the situation, the best operation, on the oil-way set dust cover or ball valve, and filter felt, cotton, wool, etc. Second, drop point lubrication is typically used for peripheral speed is less than 4 ~ 5 m/s in the light load and load bearing, from a container via hole, needles, such as valve supply roughly quantitative lubricating oil, is the most classic drip oil cup, drops of oil varies with oil viscosity and bearing clearance and oil hole position have significant changes. Three, ring lubrication can depend on the shaft and rotating ring in the oil pool of lubricants to bearing ( Can only be used for horizontal spindle lubrication method) , suitable for medium speed and high speed bearing diameter of axle is greater than 50 mm, oil ring had better be seamless, bearing width to diameter ratio less than 2, can use only one oil ring, otherwise need two oil ring. Four, wick lubrication depends on the capillary wick and siphonage drew the lubricating oil in the oil cup to the bearing, mainly used for the peripheral speed is less than 4 ~ 5 m/s in the light load and load bearing, moreover wick in the whole process can have the effect of filtering. Five, oil lubrication with oil mat of capillary effect, the oil pool of grease to the diameter of axle surface, this method can make the friction surface often keep clean, but the dust will plug wool stoma cause insufficient oil supply. Oil pad amount of lubricating oil is only 1/20 of its oil lubrication. Six, oil bath lubrication, the lubrication method is immersed part of the bearing in lubricating oil, used in the thrust bearing of vertical shaft, and should not be used for horizontal spindle radial bearing. Splash lubrication, rely on the fuel tank in the rotating parts of panting and splash up supply of lubricating oil bearing, bearing is suitable for high speed. Eight, after will spray lubrication oil atomizing spray on the surface of the friction, lubrication method, suitable for high speed bearing. Nine, pressure lubrication oil supply oil to the bearing lubrication pump pressure, will flow from the bearing lubricating oil recycling into the oil pool to use cycle, is the most stable and the oil lubrication method, suitable for high speed and heavy, important sliding bearing. Ten, circulating oil lubrication oil pump will filter the oil transfer to the bearing parts, through the bearing lubricating oil filter cooling after use. Due to the circulating oil can take a certain quantity of heat, cooling the bearing, therefore method is suitable for high speed bearing parts. 11, spray lubrication oil pump will nozzle shot into the bearing, the oil in the high pressure into the bearing of the bearing at the other end into the oil in the tank. When bearing at high speed, rolling element and cage with high rotate speed makes the surrounding air, the air in general it is difficult to be sent to the bearing lubricating oil lubrication method, use the method of high-pressure jet spray the lubricating oil must be taken to the bearing, the position of the nozzle should be placed between inner ring and retainer center.
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