Core Tips: 1. The sound of the retainer is profitable. Reason analysis: It is generated by the vibration and collision of the retainer and the rolling element. It may be generated regardless of the type of grease, and it can withstand the torque and load.
1, the sound of the holder "profit and profit..." Cause analysis:
It is generated by the vibration and collision of the retainer and the rolling element, regardless of the type of grease. It is more likely to occur when the torque, load or radial clearance is large.
Solution:
A, improve the accuracy of the retainer
B. Use a bearing with a small clearance or apply a preload to the
bearing.
C, reduce the torque load, reduce the installation error
D, choose good grease
2, continuous beep "嗡嗡..."
Cause Analysis:
The motor runs without load and emits a buzzer-like sound, and the motor has an abnormal axial vibration. There is a "beep" sound when it is turned on or off.
Specific features:
The condition of multiple lubrication is not good. In winter, the motor with ball bearing at both ends is often used, mainly because of the unstable vibration caused by the axial vibration when the shaft alignment performance is not good.
Solution
A. Use grease with good lubricating properties
B, add preload, reduce installation error
C. Select bearings with small radial clearance
D, improve the rigidity of the motor bearing housing
E, strengthen the bearing's self-aligning
Note: The fifth point plays a fundamental role in improving the curvature of the 02 minor groove and the curvature of the 01 large groove.
3, paint rust
Cause Analysis:
Since the motor bearing case is dried after the paint, the chemical components volatilized corrode the end faces, outer grooves and channels of the bearing, causing abnormal sounds after the channel is corroded.
Specific features:
After being corroded, the bearing surface is more rusty than the first side.
Solution:
A. After assembling the rotor, casing, drying or drying
B, reduce the motor temperature
C. Choose the model that suits the paint.
D. Improve the ambient temperature of the motor bearing placement
E. With the adapted oil and fat, the grease causes less rust, and silicone oil and mineral oil are the most likely to cause
F, using vacuum dipping process
4, impurity sound
Cause Analysis:
Caused by the cleanliness of the
bearing or grease, emitting an irregular abnormal sound
Specific features:
There are occasional sounds. There are no rules when there are big and small, and there are many high-speed motors.
