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The effect of temperature on the spherical roller bearings

wallpapers Products 2021-03-01

The high temperature often indicates that the spherical roller bearing is in an abnormal condition. High temperature is also harmful to the lubricant of the bearing. Sometimes bearing overheating can be attributed to the lubricant of the bearing. Long-term continuous rotation of bearings at temperatures exceeding 125°C will reduce bearing life. Causes of high-temperature bearings include insufficient or excessive lubrication, lubricants. Containing impurities, excessive load, bearing damage, insufficient clearance, and high friction caused by oil seals, etc.

In the process of using spherical roller bearings, the temperature rise is easy to occur. When the bearing temperature rises, the first judge whether it is misoperation. If it does arise, the following treatments should be done:

(1) Check whether the cooling water pressure, water flow and piping system are normal. If the water pressure is low, it may be that the filter is clogged. When it cannot be processed in time, it can be shut down for processing. When it is confirmed that it can work, it can be put into use.

(2) Check the oil pressure of the governor. If the oil pressure is low, the cooling water hydraulic valve may close.

(3) Check whether the bearing has abnormal noise, and check whether the bearing swing is abnormal.

(4) Take an oil sample to observe whether the oil color has changed, and conduct a laboratory test to see whether it has deteriorated. If the deterioration is confirmed, stop the machine and replace it with new oil.

(5) Check whether the oil level of the oil level is normal. If it is abnormal, check whether the oil tank drain valve is closed tightly. If it is closed tightly, the oil should be refilled; if the sealant is leaking oil, it should be shut down for processing.

Therefore, it is necessary to continuously monitor the temperature of spherical roller bearings, whether it is to measure the bearing itself or other important parts. If the operating conditions remain unchanged, any temperature change can indicate that a malfunction has occurred.