Fingertips gyro bearings: 4311 bearing with 6311 bearing difference

Bearing cannot be used again if you have the following defects: the inner ring and outer ring, rolling element and cage have crack or gap on any one; Ring, rolling body any fracture; Raceway surface, guard, significant card roller injury; (4) maintains a significant wear and tear, or rivets significant relaxation; On page 5. Raceway and rolling body rust, injured; 6 raceway surface, with severe creasing roller and mark; All landowners inner ring surface of outer ring foreign economic Canon surface has obvious creep; Was caused by heat change is obvious; Pet-name ruby of grease sealed bearing, seal ring or dust cover breakage is obvious. Cylindricity, which means that they share electrons, the atom has a strong adsorption capacity, due to this reason, the ceramic bearing with some good than the metal bearing performance and surface roughness Ra value, choose the quality of machine tool spindle, look for the titanium hao bao thread spiral Angle, pitch diameter, to tighten the nut after the lower end face on the grinding machine. Rolling bearing axle box unit rolling bearing axle box unit and the advantages of the sliding bearing axle box device compared to rolling bearing axle box device can reduce the locomotive vehicle running resistance about %, can make the starting resistance to reduce the % above, not only can save power consumption, improve the running speed, also can improve the train traction weight. & emsp; & emsp; Due to improper assembly, tightness is not fixed end cover screw, two axis center is not a straight line or bearing outer ring is not balanced, the bearing rotation is not flexible, adds load after growing friction and heat, should be reassembled. Online repair motor bearing wear of site operation step surface baked oil processing; Surface polishing treatment; Deployment of SDH sauvy carbon nano polymer materials and apply to the surface of repair parts; Installation sauvy tooling; Heat curing; Remove the tooling material after curing; Size is measured and the antipyretic bearing hot charging after the bearing assembly can be switched on. First for material, water, cement vertical mill has a very high requirements, regardless of the impact of any item, will let the mill in operation in the process of vibration, and for a equipment such as roller, the vibration of the long time will be on its adverse impact. That for welding repair method is limit, that is, on the basis of whether or not the heat welding, heat welding method to implement welding repair, because the welding deformation may make our products keep waste; And ultimately to complete without difference is the hot welding method, thus to weld and parent metal without difference is not too roughly. Prestressing quantity, of course, not too big, too will make bearing friction increases, temperature rise, affect the service life of bearing, enterprise at present there are a large number of drying cylinder axis wear problem, and a lot of equipment operation, seriously affect the continuous production of the enterprise. By the oil volume, wooden pillow before and after the baffle, installed on the axle box body, the components of the device travelling with smaller, is helpful to improve the quality of locomotive vehicle running. Because the bearing seat close to the converter, radiant heat around under severe has a thermal stress effect on the spindle the metal components, and the steel slag splashing around cause failure to seal material progress cause damage to the bearing raceway, the bearing card and journal bearing relative motion that appear after the death of wear and tear. Pay attention to, not with flame, direct contact with the material and heating temperature shall not exceed the material under high temperature, don't let the material temperature and substrate temperature difference is too big, rising and dropping drastically to avoid. As the smoke of burning area will be more and more small, can use some tools, remove the point bearing grease, in light with fire, if drip drop point low grease, grease and high drop point.