A, KOYO import bearing maintenance technology problems:
The maintenance of the technology import bearings KOYO two complex the problem is: 1, when oil. 2 how much oil, should change. If oil is too little, bearing will be scrapped in advance; If oil is overmuch, KOYO import bearings will mess up or long-term damage power wire and reel.

Second, KOYO import bearing maintenance technology:
Decide when lubrication and when to stop the oil is very simple: make a basic line, making observation schedules and the oil time for monitoring.

1, drawing a base line
KOYO import bearing base line reflected in normal operation, no depending on the wrong, enough of conditions of lubrication db strength.

The basic line formulated three ways:

1), comparison: if there is the same type of multiple KOYO import bearings, the bearing can put together more. In the same kind of test methods, or from the same Angle to observe each bearing. Analysis decibels strength and sound quality. If there is no essential difference (less than eight db), we can set it to every KOYO import bearing foundation decibels strength.

2), add the lubricating oil when set the base line: when add lubricating oil, listen to the sound of the strength, when the intensity of the sound down and then rise. At this time, don't add too much oil, and set it to base line.

3), history records: observation KOYO import bearing decibels strength, record every day, and then compare the 30 day record results. If decibels strength changed little or no change (less than eight db), we can put this set to base line, and used to observe the comparison of the value after the results.

2, set observation timetable

Such as output, the environment, and the operating results of the related equipment selection and evaluation is key set the main factors of mechanical system. When the foundation for observation line after a month detection a is quite necessary. For those who want to lubricate the high decibels KOYO import bearings, should be testing frequency more frequent some so that you can watch it to possible changes. If a KOYO import bearings in the state will be destroyed, then oil can only temporarily cover a mistake. But, db strength will soon rise to display error. In some cases, this kind of phenomenon a few minutes will come out, and others need for a few days.

3 and when, lubrication detection
If a KOYO import bearing db base line more than 8 decibels, we think the bearings need lubrication. When we realize the bearing need lubrication, then know when to stop note oil will prevent excessive lubrication to appear. Can according to the following steps to complete the:

1), with the guidance of the import bearings manufacturers KOYO for calculation usage, then injecting grease, don't be too much. This step is very subjective, and ultrasonic has nothing to do, and this step never failure.

2), when injecting grease lubrication technicians when apply ultrasonic testing instrument bearing. Slowly note oil until decibels strength to the base line.

3), if no foundation as a guide line, lubricating oil dosage should be decreased in the sound and rise to stop. At this time, the technician should stop using the lubricating oil.

4, ultrasonic KOYO import bearing inspection
Ultrasonic inspection or monitoring is found KOYO import bearing damage (the beginning) in the early is the most reliable way. When the temperature rise or low frequency vibration intensity, strengthen, ultrasonic warning will be the first ring. When bearing for excessive use and the early damage, the lack of excess lubricating oil or oil, use the inspection of import bearings KOYO method is very useful.

5, and find that the signal failure
Like track on the metal the same ball KOYO import bearings, ball bearings as rollers or start to use the excessive occurs when the subtle deformation. This would produce irregular surface, which can lead to send out of ultrasonic increase. From his early readings in the amplitude of the change that get a to two conditions: failure or lack of lubricating oil in advance and initial bearing failure. If more than basic line ultrasonic eight decibels, will continue with the impact of the noise, the noise that oil failure (dry bearing surface). If reading than expected the readings of the ultrasonic, up to 12 decibels, you will have the collapse of the noise, the noise can be assumed to have started to enter the import bearings KOYO failure mode.




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