How to judge the replacement time of turntable bearings?

Turntable bearings are also important parts in machinery and play a very important role in construction machinery. If the turntable bearings is damaged a little, it will affect the normal operation of the machine. However, the slewing bearing should be replaced after a period of use. So, how to judge how to replace the turntable bearings?

To determine the replacement time of the turntable bearings, you can use a ferrograph or SPM or I-ID-1 bearing working condition monitoring instrument to judge the working condition of the bearing and decide when the bearing should be reported for repair. This is the most convenient and reliable method. .

When using the HD-1 instrument, when the pointer approaches the danger zone from the warning zone, but the pointer does not return after taking measures such as improved lubrication, it can be determined that the bearing itself is the problem. At this time, it can be used before entering the danger zone. , Report the bearing for repair. Exactly how far away from the dangerous zone is to report for repair can be adjusted by experience. With such an instrument, the working potential of the bearing can be fully utilized, the turntable bearings can be reported for repair in time, and failures can be avoided, which is safe and economical.

Secondly, the use of simple tools to monitor can also effectively judge the replacement time of the slewing bearing. The operator can hold a rod or wrench and other tools against the machine housing part closest to the bearing, and put the ear on the tool to listen to the sound of the bearing running from the tool. Of course, it can be modified with a medical stethoscope. Normal bearing running sound should be uniform, stable and not harsh, while abnormal bearing running sound has a variety of intermittent, impact or harsh sounds. First, you must get used to the normal bearing running sound, and then you can grasp and judge the abnormal bearing running sound, and then through the accumulation of practical experience, you can further analyze what kind of abnormal sound corresponds to what kind of bearing abnormal phenomenon . At the same time, there are many types of abnormal sound from the turntable bearings. To accurately judge the sound of the product, it is necessary to rely on experience.

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