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> 산업 정보 > The reason of the vibration of Deep groove ball bearings
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The reason of the vibration of Deep groove ball bearings

2019-04-26

There are many reasons for causing low-frequency vibration, and the magnitude and damage of vibration caused by each cause are also different. There are various repair methods. Therefore, it is necessary to first identify the main cause of vibration and solve the main contradiction. Now combined with the transmission structure of the ball mill pinion bearing housing, the common causes and treatment methods of vibration are analyzed.


1 Vibration of the pinion housing caused by imbalance

(1) The gear (small, large) hole position is defective.

(2) The inner diameter of the gear shaft is eccentric.

(3) The gear material is defective and has trachoma.

(4) Partial wear of the gear.

(5) The steel ball in the body of the large ring gear is bonded to the material, resulting in an imbalance.

Although the above imbalance is high in the ratio of the rotating equipment, the imbalance in the actual work has little effect on the vibration of the ball bearing housing.

2 Couplings are equipped with vibrations caused by different axes

Adjustment measures:

First measure the axial and radial clearance of the coupling. Second: Analyze which case the coupling is misaligned. If there is a simultaneous occurrence of skew and offset. First calculate the skew adjustment and then calculate the offset adjustment because the skew adjustment affects the offset. Then adjust the coupling according to the calculated value.


3 Vibration caused by unreasonable assembly of the gear shaft

Adjustment method: Trim the deviation of the teeth within the allowable range.


4 Vibration caused by loose bolts

Adjustment method: Check the connecting bolts of all transmission parts and tighten them. If necessary, take bolts to prevent loosening.

5 Vibration of the pinion housing caused by vibration of the bearing itself

The wear of the bearing rolling elements causes the bearings to heat up and vibrate.

Solution: Check if the axial and radial clearance of the bearing exceeds the standard and the rolling element is seriously worn. Otherwise, the bearing should be replaced. After replacement, the bearing clearance must meet the assembly requirements.


Any question , please feel free to contact us immediately. 

Hebei Naimei Bearing Co., Ltd.
Tel+86-311-8071 6581  
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Webwww.hbdlbearing.com
Email may@hbdlbearing.com
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Mobile / wechat / Whatsapp:+86-13933164882
ADD: No. 89 North Second Ring West Road, XinHua Shijiazhuang, HeBei, China  050000


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