Increase the KOYO rolling bearing service life of the basic principles
by:Waxing2020-10-20
For the KOYO bearings and keep its long-term performance into full play, must earnestly to do regular maintenance (
Regular inspection)
。
Through proper periodic inspection, do early detection of fault, prevent accident arrangement is very important to increase productivity and efficiency.
Rolling bearing type selection of the bearing should be the price, or the load capacity is higher but more expensive KOYO bearings, or just use ordinary while trying to extend the life of the bearing.
USES a high load capacity of bearing, such as crown of cylindrical roller bearing, spherical roller bearing with symmetrical roller, reinforced taper roller bearing and ball bearing, ball groove busbar revised ball bearings, or with the bearing of 70000 CD series, these have high load capacity of bearing or improve the stress distribution state, or because of the more the number of rolling element may have higher fatigue life.
To KOYO bearing size has been properly selected, must be precise or actual rolling bearing checking work load, speed, and operating temperature.
The largest load influence on bearing life, so load while the most difficult to measure but be measured accurately as possible.
When load measurement is difficult to measure the actual motor power consumption, according to the transmission line, calculate and deduct the frictional power loss calculated until relatively close to the actual bearing load.
Calculated or measured load is larger, the fatigue life of bearing can expect necessarily with greater amplitude decreases, and must try to remedy them.
If the installation site allows, optional size of a bearing;
, if any, on radial dimensions in a wider bearing should fall under the condition of wide bearing;
If you can't use wide bearing, can be converted to a high load bearing capacity of bearing.
Choose rolling bearing material also want to consider the price of it, and when to use the vacuum smelting or electroslag remelting steel, pay attention to must make WanShanHua lubrication condition, can we improve the exponentially KOYO bearing fatigue life can be expected.
, of course, by using this kind of high quality steel bearing should choose load capacity is higher than the cost of the bearing much more expensive, but for the machine is difficult to close and extremely difficult to dismantle the bearings, bearing used in mechanical or mines, tunnels in homework, maintenance extremely difficult situation, sometimes still use must be considered.
Inspect, clean KOYO bearings will be removed, with photography method such as first and then record the appearance.
In addition, to confirm the amount of residual lubricant and lubricant sampling, and then clean the bearing.
A, bearing cleaning divided into rough washing and fine washing, can be put in use at the bottom of the container and on the metal frame.
B, rough washing, oil using a brush to remove grease or adhesive.
If at this time in oil bearing, pay attention to the rolling surface due to foreign bodies such as damage.
C, fine cleaning, slowly rotating bearings in the oil, must be carefully.
Commonly used cleaning agent for neutral aqueous diesel or kerosene, according to the need to sometimes use warm lye, etc.
No matter use which kinds of detergent, often should filter clean.
After cleaning, coating anticorrosive oil or antirust grease on the bearing immediately.
2, examination and judgment to judge removed KOYO bearing can use again, to inspect the dimension precision, rotating accuracy, internal clearance and mating surface, raceway surface, cage and seal rings etc.
About the test results that can be used by bearing the judgement or master of bearing.
Judgment standard according to the mechanical properties and important degree and inspection cycle.
If you have the following injury, rolling bearings shall not be used again, must be replaced.
1)
Bearing parts of rupture and defects.
2)
The raceway surface material on the surface of the rolling strip.