IKO thrust ball bearing running after check the hot problem analysis
by:Waxing2020-09-14
IKO thrust ball bearings after installation, in order to check whether installed correctly, check for running.
Small mechanical can rotate with the hand, to confirm whether to rotate smoothly.
Check project has caused by foreign bodies, scars, creasing seized up, due to bad installation, installation of seat processing bad moment is not stable, because the clearance is too small, installation error, seal friction caused by the torque is too big, and so on.
If there is no abnormal can start power operation.
Large machinery from manual rotation, so after no-load start immediately cut off the power, machine idle, check whether there is presence of vibration, noise, rotating parts contact, etc. , confirmed after no abnormalities, into power operation.
Dynamic operation, from the beginning of the no-load speed, slowly up to the rated operating conditions.
Test run to check the items, whether there is abnormal sound, the change of bearing temperature, lubricant leakage or discoloration, and so on.
If discovery is unusual, should immediately stop, check machine, when it is necessary to remove the bearing inspection.
IKO thrust ball bearing temperature, average according to the external temperature of the bearing.
But using the oil hole directly measuring the temperature of the bearing outer ring more accurate.
The bearing temperature, starting operation gradually increases, usually 1 ~ 2 hours after the temperature stability.
If the bearing installation, the temperature will rise sharply, abnormal high temperature.
The reason such as lubricant, bearing clearance is too small, too much bad installation, excessive friction sealing device, etc.
High-speed rotation, the choice of the ways of bearing structure, the lubrication error and so on is also the reason.
IKO thrust ball bearing examination such as the rotation of the sound with a stethoscope, a strong metal noise, such as vision, irregular note that exception.
Its reason has poor lubrication, shaft or precision bearing, bearing damage, foreign body intrusion, etc.
Check the bearing don't let the noise of the bearing's exposure to pollutants or moisture environment.
If the job is interrupted, should with oil film, paper or similar material by machine.
If don't have to remove and may perform inspection of cleaning without masking of bearing, to clean with brush with petroleum solvent coating, then dry with a lint-free cloth or with compressed air to blow dry,
Be careful not to let the bearing component starting rotation)
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With a little mirror, and the probe used in the similar to the dentist to check the bearing of the orbit plane, retainer and beads.
Do not clean the encrypted block or dust bearing;
You just wipe the outer surface.
If the bearing is need to replace damaged situation.
During regular maintenance downtime time replacement bearings than the array bearing damage of selected into a sudden stop loss is much more economical.
Lubricant is important not only for bearing, also for all iko thrust ball bearings.
Note, however, that Japan bearing shoulds not be too much grease.
And then replace the bearing lubricant.
Use after xie used engine oil, engine oil lubrication bearing if possible, should be impregnated with fresh oil and let the machine in low speed rotation for a few minutes.
As far as possible make the oil collecting residual pollutants, and then purging in addition to the oil.
And the use of grease lubrication bearing in replacing grease, Joe used in addition to the device should be avoided with any part of the cotton material come into contact with the bearing.
Because these residues fiber may wedged in between the scroll and damage, especially the application of bearing more need to pay attention to this problem.
Iko thrust ball bearing not only poor surface quality of workpiece, and the workpiece ask crystal corrosion resistant performance degradation.
When iko thrust ball bearing the workpiece serious overheating coarse grains, but also make 8 existing dimension in steel increases, easy to cause the workpiece hot working performance deterioration.
Lcrl8Ni9Ti with stainless steel body or flange when overheating, easy generation orange peel shape surface defects.