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Common problems in bearing use

Common problems in bearing use

2020-05-13

Strong metal sound

1. Abnormal load: select appropriate assembly clearance and preload

2. Poor assembly: improve the machining accuracy of the shaft and the installation method

3. Insufficient lubricant: supplement or use proper lubricant

 

Rules of the sound

1. Channel corrosion, indentation and scars caused by foreign bodies: clean relevant parts and use clean grease

2, channel peeling: fatigue wear, replace the bearing

 

Irregular heterophony

1. Foreign body invasion: clean the relevant parts and use clean grease

2. Excessive clearance: pay attention to coordination and select appropriate clearance

3, steel ball scar: steel ball fatigue peeling or foreign body stuck injury, replace the bearing

 

Abnormal temperature rise of

1, too much lubricant: reduce the lubricant

2, insufficient lubricant, or not suitable: add lubricant or choose the right lubricant

3. The mating surface creep or the sealing device is too large: the outer diameter or inner diameter of the bearing should be corrected, and the sealing form should be changed

 

The rotary vibration of the shaft is large

1, peeling: fatigue peeling, replace the bearing

2. Poor assembly: improve the machining accuracy of the shaft and the installation method

3. Foreign body invasion: clean relevant parts and use clean grease

 

Lubricant leaks and discoloration

1, too much lubricant: reduce the lubricant

2. Foreign body invasion: cleaning related parts


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