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Jinan Ludao CNC Equipment Co., Ltd Specializing in the production of various CNC engraving machines, CNC cutting machines, laser metal cutting machines Wood carving machine

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The problem and solution of the main shaft noise of woodworking engraving machine

Article source: our website publishing time: 17:28:00, January 3, 2017 number of hits: 8378【 large in Small

Spindle as CNC Wood carving machine The core part is the most frequently used, and of course, one of the most prone to problems. Due to long time high frequency operation, and improper use, spindle is easy to appear some noise. So, in real operation, in the face of some noise from the spindle, how should we deal with it?


1、 A patterning voice

It is produced by the vibration and collision between the retainer and the rolling element, which may occur regardless of the type of grease, and is more likely to occur when the bearing torque, load or radial clearance is large.
The method of applying or reducing the bearing preload, reducing the load and reducing the bearing clearance.

 

2、 A buzzing sound

When the motor is running under no load, it makes a sound similar to buzzer, and the motor vibrates abnormally in the axial direction, and there is a buzzing sound when the motor is turned on or off.
In winter, the main way to solve the problem is that the axial vibration of the bearing is not stable when the bearings are not well lubricated in winter.

3、 Impurity sound

Due to the bearing or high-quality cleanliness, an irregular abnormal sound is emitted. The sound is sometimes absent, sometimes large or small, and occurs frequently on high-speed motors
Solution: select good grease, improve the cleanliness before grease injection, strengthen the sealing performance of bearing, and improve the cleanliness of installation environment

4、 The sound of dada

The sound frequency varies with the speed of the bearing, and the waviness of the part surface is the main cause of the noise
Solution: improve the surface processing quality of bearing raceway, reduce waviness amplitude, reduce bumping, correct clearance preload and fit, check the operation of free end bearing, and improve the precision installation method of shaft and bearing seat.

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