The cause of INA bearing noise and avoid measures

Using imported crude, if be screeching sound, it is between metal and metal sliding sound. This is does not affect the INA bearing, is will not affect the normal operation of bearing, in this case how much will be modelling unnecessary wear and tear, reduce the service life of bearing, so how to troubleshoot the cause of the accident to solve screeched let bearing no longer? As a first step, bearing radial sounds a lot when I was easy to produce this kind of game, and when going fast and easy to appear this kind of voice, and is also easy to appear in the winter. One careless, bearing into the sand carbon acid or paint etc, sundry; To enter the water in the second, bearing clearance, bearing internal corrosion and corrosion; Three, imported bearing clearance is too small or too large, lead to bearing size matching choose the wrong; Four, lubricating oil or grease variety selection is not correct; Oil or grease seal leakage; Five, the lube oil level is too low, or a hole distortion is not straight; Six, bearing seat hole clip flat seat hole roundness don't match; Seven, import and the bottom surface of the bearing pad iron uneven caused hole deformation, even crack of imported bearing dust particles, etc. ; Eight, bearing hole with residue, chip, sundry; Nine, seal eccentric, touch the adjacent components in friction; INA bearing lubrication way have several kinds, and each type of bearing and various types of bearings in the use of lubrication is not the same, so more conducive to maximize the service life of bearing, is the performance of the mechanical equipment is in a state of the highest efficiency. 1, solid lubricant used in some special conditions, adding a small amount of solid lubricant grease, such as adding 1 of 3-5% molybdenum disulphide can reduce wear and improve the compressive strength heat-resistant ability, for high temperature, high, high vacuum, corrosion resistance, resistance to radiation, and the special conditions such as extremely low temperatures, the solid lubricant in engineering plastics and powder metallurgy materials, lubricating bearing parts can be made with, such as the solid lubricant with adhesive bonding on the raceway, cage and rolling body, lubrication film formation, has certain effects on reducing the friction and wear. 2, oil lubrication, is an important characteristic of lubricating oil viscosity, viscosity directly affect the liquidity of lubricating oil and the size of the friction surface is formed between the oil film thickness, INA bearings working temperature of lubricating oil viscosity is usually 12 - 15cst。 Speed the Gao Yingxuan lower viscosity, the more load weight should choose high viscosity. Commonly used lubricating oil has high-speed machine oil, machine oil, turbine oil, compressor oil, transformer oil, cylinder oil, etc. Oil lubrication methods include: a. Oil bath lubrication oil bath lubrication is the most common lubrication method, suitable for low, medium speed, bearing lubrication, bearing part of immersion in the slot, the bearing parts of lubricating oil by rotating, and then flow back to the oil level of oil tank should be slightly lower than the lowest at the center of the roller. b。 Oil drip lubrication oil drip lubrication is suitable for need to ration oil bearing parts, drip oil every 3 - general A drop of it is advisable to 8 seconds, too much oil will cause the bearing temperature increased. c。 Circulating oil lubrication oil pump in the conversion of the filter oil transfer to the bearing parts, through the INA 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. d。 Spray lubrication with dry compressed air after the sprayer and lubricating oil mixed form oil mist, spray bearing, can effectively make the bearing cooling airflow and can prevent the intrusion. This method is suitable for high speed, high temperature lubrication bearing parts. e. Spray lubrication with oil pump 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 lubrication method is difficult to be sent to INA bearing lubricating oil, 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.