After the TIMKEN bearing installment had ended, in order to inspect installs whether correctly, has to carry on the revolution inspection.The small machinery may use hand revolving, confirmed whether revolves smoothly.The inspection projects have the revolution which because of the foreign matter, the scar, the indentation creates to be impeded, is not good because of the installment, the installment place processing not good produces the moment of force is unstable, because the windage excessively is small, the moment of force which the wiring error, the seal friction causes oversized and so on.If does not have exceptionally may start the power revolution.
The large-scale machinery cannot manual revolving, after therefore the idling starts shuts off the power immediately, does the mechanical idle operation, whether there is inspect vibrates, the noise, the revolving part whether has contact and so on, after confirmed does not have exceptionally, enters the power revolutions.
The power revolution, starts from the idling low speed, the slowly enhancement to decides the condition the fixed revolution.In the test runs inspects the item is, whether has unusual acoustic, accent bulbus cordis bearing temperature change, lubricant divulging or color deterioration and so on.If discovers unusually, should stop revolving immediately, inspects the machinery, when the necessity must dismantle the bearing inspection.
The TIMKEN bearing temperature, may act according to the bearing seat generally exterior temperature extrapolation.But the use oil hole direct survey bearing addendum circle temperature is more accurate.The bearing temperature, starts from the revolution to elevate gradually, after usual 1~2 hours temperature control.If the bearing installment is not good, the temperature can rise suddenly, appears the unusual high temperature.Its reason such as lubricant excessively are many, the bearing windage excessively is small, the installment not not good, the packing assembly friction oversized and so on.The high speed revolving situation, the TIMKEN bearing structure, the lubrication way choice mistake and so on also is its reason.
The TIMKEN bearing rotation sound with inspections and so on stethoscope, has the strong metallic noise, the different sound, showing and so on irregular sound is unusual.Its reason has the lubrication not good, the axis or the bearing seat precision not good, the bearing damage, the foreign matter invasion and so on.
Under in the instantaneous high temperature function steel surface and the air oxygen function, rises Cheng Jibo (20~30nm) iron film of oxide.It is noteworthy that oxide layer thickness and the surfacing deterioration level total thickness test result assumes the corresponding relations.This indicated its oxide layer thickness and the grinding craft direct correlation, is the grinding quality important symbol.
1st, first certainly must buy really adjusts the bulbus cordis bearing, if how you did buy the false bearing in to make all the longevity.
2nd, in installs in front of the bearing, first must inspect the bearing whether is out of gas, whether clean, then must install the machine in the inspection the spot, after all determined good lubricant and clean, installs the bearing correctly.
3rd, the bearing test, all installs after, the bearing test revolution, the revolution period of time inspection had not discovered any exceptionally, this bearing might enter the running condition normally.
4th, wants the periodic inspection, each kind of TIMKEN bearing lubrication all is very important, the bearing is not exceptional, in maintains the bearing time, first must inspect the bearing surface is whether clean, if insufficiently clean, then on uses the gasoline or the ethyl alcohol first flushes, then is very important one, is on the lubricant.For bearing on lubricant time excessively adds the lubricant not by any means, so long as stains separate lubrication fat to rub between two, if has the pollutant existence, is may feel.For adjusts the bulbus cordis bearing use lubricant time, should avoid having the woven cottons to contact the bearing any part, and like this can cause some residual textile fibers possibly to stain rolls can create the damage.Best determined good each time inspects the time, then according to the normal time inspects whether is out of gas whether cleanly, completed these accent bulbus cordis bearing to be possible the longevity.
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