PRODUCT
FAG bearing life growth cooperate relationship with the load type
by:Waxing
2020-10-15
The first consideration when choosing cooperate, ring load bearing type.
Usually ring load bearing type has the following three conditions: 1 fixed load in the synthesis of radial load on the ring, the ring raceway on the local area, and to the shaft or the relative area of the bearing, the load is called fixed load.
Fixed load characteristic is synthesized radial load vector and the relative static ring.
Ring radial load and synthesis are not turning turning are fixed at the same speed or load.
Under fixed load ring can choose loose fit.
2 rotating load on the ring of the synthesis of radial load, race along circumferential direction, progressive by each place, under this load is called rotating load.
Rotating load characteristic is synthesized radial load vector rotate relative to the ring.
Rotating load has the following three conditions: (
1)
Fixed load direction, ring rotation.
(
2)
Load vector rotation, ring stationary;
(
3)
Load vector and ring to rotate at different speeds.
Sometimes 3 oscillating load and variable load load cannot be exactly determine the direction and size of, for example in high-speed rotating machinery, in addition to the direction of the rotor weight under fixed load, and rotating load caused by uneven quality, if the load is much bigger than the fixed load rotation, the synthesis load is still rotating load;
And if the rotating load than fixed load, the synthetic load for oscillating load.
Regardless of rotating load or oscillating load, its size and direction are constantly changing.
In variable work condition, some ring by load when possible but rotating load, but the fixed load, and the oscillating load.
This load is called variable load.
In the process of using a FAG bearings due to improper operation, inadequate lubrication, rust and corrosion, and some other factors such as current, external material, the service life of the eccentricity of the bearing.
So it is necessary in the process of using the bearing to bearing have sufficient knowledge and understanding of preventive measures.
Bearing operation is not standard: bearing installation, cage deformation caused by the improper operation or remove may or defect prevention measures: with proper operation, installation and removal tools, and use Beijing driver quality goods bearing.
Eccentric bearing, eccentricity, inclination, or excessive load may result in geometrical stress concentration or temperature of surface spalling FAG bearing, generally have a bearing on the surface of the outdoor temperature can be predicted, if using the oil hole can directly measure temperature of bearing outer ring, bearing is more appropriate.
Generally, the temperature of the bearings with bearing operation began to slowly rise, 1 -
After 2 hours to reach steady state.
The normal temperature of bearing for machine heat capacity, heat dissipating capacity, rotational speed and load.
If the appropriate lubrication, installation department, the bearing temperature will rise sharply, appear unusually high temperature, must stop at this moment, take the necessary precautions.
Another lubricating way, oil mist lubrication bearing, it is a kind of minimal quantities of lubricant, simple I mean with very small amounts of oil to satisfy the requirement of the rolling bearing lubrication.
Oil mist lubrication is to become oil mist lubricating oil in the oil mist generator, through the oil mist lubrication of bearings.
Bearing current: FAG bearing rotates the electricity may result in a groove or notch.
Inadequate bearing lubrication, the lubrication oil inadequate or inappropriate may cause components abrasion or severe FAG bearing deformation preventive measures: to improve the lubrication system, properly supplement or replace lubricant regularly
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