What is the full name of domestic bearing, bearing of 188 mean
by:Waxing2020-11-12
Discussion topic mainly aims at this kind of bearing, a)
Clearance is too large, will cause the bearing load decreases, and the contact stress increases, thus shortening the service life.
The other equipment in the working process of the clutch is intermittent work, make the input shaft intermittent mechanical stress non-uniform, easy to cause the bearing outer ring rotation resulting in bearing chamber wear, form a circle.
In addition, we also notice when choosing radiator is not too thick on the bottom of the radiator, because of the thermal conductivity of the aluminum is not very good, is too thick will affect heat transfer;
Some additional grooves on the surface of the radiator should close, this will ensure that the radiator can have larger contact area with air, so as to enhance the cooling effect.
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Using rolling bearing lubrication system of oil and gas, tons of oil consumption is less than a year, the consumption of lubricating oil is small, only dry lubrication of several decades of oil mist lubrication points.
Overall eccentric bearings after installation check lubricants add whole eccentric bearing inspection whole eccentric bearings after installation, operation should be performed immediately operation inspection, to determine whether the installation is normal.
In the motor shaft and the bearing between the casing and equipped with insulated ring (
Cushion between bearing and shaft into the dry insulating film)
Or use the insulation bearing, ensure the motor bearings in good insulation.
High bearing temperature caused by a common cause of bad lubrication, such as insufficient or excessive lubrication, lubrication oil quality does not meet the requirements, deterioration or debris;
Cooling is insufficient, such as pipeline jam, chooses inappropriate cooler, the cooling effect is poor;
Bearing abnormalities, such as bearing damage, bearing assembly process, the various parts of the bearing box clearance adjustment is not in conformity with the requirements;
Vibration is big, such as poor coupling alignment process does not conform to the requirements, the dynamic and static unbalance rotor, poor foundation rigidity and the anchor, rotating stall and surge.
Only bear radial load, the selection of deep groove ball bearings and cylindrical roller bearings can achieve high speed, if the joint under load, appropriate chooses angular contact ball bearings.
Thrust bearing housings tolerance special application, there may be deviation involves running accuracy, for example, the softness of the operation or working temperature, higher running accuracy need smaller tolerance, such as the level of tolerance is higher than level of tolerance.
By the influence of motor vibration of motor rotor, pulley and so on rotational imbalance can also cause vibration, dynamic balance, must therefore be carefully into the good reduced the amplitude of the motor to about mu.
Shaft vibration as expressed in displacement value, the unit of micron, because this is the northwest agriculture and forestry university of science and technology developed kind of new structure, and bearing the parts are widely used all over the world.