Using deep groove ball bearing grease for stability - bearing the importance of knowledge
by:Waxing2020-06-18
1, rust resistance, rust inhibitor is best can not soluble in water, has the good adhesion, can form a layer of oil film on the surface of steel.
2, mechanical stability, if the mechanical stability of the oil is not enough, in the process of operation, the structure of the soap grease causes mechanical disruption of oil by damage, thereby losing lubrication.
3, oil seal oil seal is necessary to protect deep groove ball bearings and lubricant from contamination from barrier, TIMKEN bearing operation process, regardless of sundry or moisture can penetrate TIMKEN bearings, in case of causing damage to it.
4, oil mixture of mixed oil don't put the incompatible, if two incompatible oil mixture, usually will soften its consistency, finally may be caused by loss of grease is easy to TIMKEN bearing damage.
5, the classification of grease lubrication grease consistency and ability is affected by temperature, operating under a certain temperature TIMKEN bearings must choose under the same temperature has the correct consistency and good lubrication effect of oils and fats.
In general, in the deep groove ball bearing grease filling amount, always exceeds the actual requirements, directly involved in the lubrication of the rack and the bearing cover cavity, and forms an outline in rolling around in vitro.
In this process, due to excess grease resistance, bearing temperature rise quickly.
Although most redundant grease at the beginning of the operation is being squeezed out, and squeezed in the raceway attachment grease could still be turning into the groove between roller.
Most of these in the early stages of the bearing grease quickly (
Less than a minute)
Is being squeezed out of raceway and the accumulation in the grease in the bearing rotation of systemic circulation at the same time, have a small amount of discharge.
When the bearing temperature continues to rise, until all redundant grease were out, may be called the grease running-in stage, according to the structure of TIMKEN bearing grease in the quality, filling amount, this paragraph of time may last ten minutes, or even a few hours.
Bearing grease is completely after discharge, the rest of the rest of the small amount of grease in the rolling element and raceway, keep contact with each other, cadastral wedge formed by a thin film of grease, so as to enter the bearing of the normal phase.
The temperature decrease and balance.
That is to say, the long-term lubrication, mainly rely on the film of grease.
In addition, in the process of bearing long-term operation, rolling element and raceway profile near detachments and keep on the shelf to atrophy and grease base oil, flow into the race, between supplement to lubrication also to have certain effect.
Different bearing grease in the bearing form outline to traffic is not the same, must form the contour comparison is, shorter running-in time, bearing temperature is low, in the long-term operation and smooth, this is a kind of ideal grease, so is especially important for into the canal of grease.
Some so-called vortex type grease is not, is not easy to form the outline, even form the contour is easy to collapse, then roll back to the redundant grease in the tiny repeatedly by strong mixing conditions in the long-term, TIMKEN bearing a large torque, high temperature, and uneven, also may produce noise, grease also easy metamorphism and erosion.