Home>Bearing knowledge>Analysis of the bearing noise of the bearing

/*728*90 created on 2018/5/16*/ var cpro_id = "u3440131";

Analysis of the bearing noise of the bearing

---

/*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';

The rolling sound is due to the fact that the rolling element rolls over the raceway when the bearing rotates, and it announces a smooth and continuous noise; only when its sound pressure level or cavity is extremely large, it leads to everyone's attention. In fact, the sound of the rolling track is aroused. Sound energy is limited; as in normal conditions; the quality of the 6203 bearing raceway sound is 25 ~ 27dB. This noise is most typical of single row deep groove ball bearings that accept radial load; it has the following characteristics: a. Noise and oscillation are random, b. The oscillation frequency is above 1 kHz, c. No matter how the speed changes, the main frequency of the noise is almost constant and the sound pressure level is improved with the addition of the speed, d. When the radial clearance increases; the sound pressure level is sharply added, e. The rigidity of the bearing housing increases; the lower the total sound pressure level; even if the speed increases, the total sound pressure level is not added, f. The higher the viscosity of the smoothing agent; the lower the sound pressure level; but the smoothness of the grease; the viscosity and the shape of the soap fiber can affect the noise value.
The source of the raceway sound is caused by the natural oscillation of the ferrule after the load. Because the elastic touch of the ferrule and the tumbling body constitutes a nonlinear oscillating system. When the smoothness or the machining precision is not high, the elastic characteristic is aroused. Related natural oscillations; it becomes noise when transmitted to the air. It is well known; even if the world's most brilliant production skills are used to process bearing parts; there will always be a few minor errors in the operation appearance; thus the raceway and rollover Small movements between the bodies provoke the natural oscillation of the oscillation system.
Although the raceway noise of the NSK bearing is unavoidable, it can adopt the high-precision machining parts to work externally; correctly select the bearing and accurately use the bearing to reduce noise and vibration.

---

Recommend to friends comments close window

Bearing related knowledge

Bearing material without smooth bearing (2) The working principle of the bearing heater and the concept of the composition of the tapered roller bearing and the unique characteristics of the use of deep groove ball bearings TIMKEN® Roll Neck Bearing (3): Protection

This article links to http://
Please indicate the bearing network http://

Previous: "Smooth Intention, Tricks, and Advantages and Disadvantages" of Rolling Bearings Details of the following: Determination of the clearance of INA imported bearings mounted on shafts or adapter sleeves

Intelligent Street Lamp

Intelligent Street Lamps are also called intelligent lighting or smart street lights.It adopts the Internet of things and cloud computing technology to comprehensively upgrade the urban public lighting management system, so as to realize centralized control, operation and maintenance information and intelligent lighting of street lamps.The most advanced versions of Intelligent Street Lamps have been designed to create a happy atmosphere in roads, streets, squares and other places.The design of intelligent street lamps can only be designed by a wide range of discussions and environments that provide an aesthetic consistency.

Intelligent street lamp system

The core functions of intelligent street lamp include Intelligent lighting,Smart city applications,The information publishing system,Intelligent security,Charging pile,Distributed monitoring sensor system.

Product feature

1.Sensor

Sensor norise

Air pollution sensor

Temperature/humidity sensor

Brightness sensor

Municipal construction monitor

2.RFID

Special crowed monitor

CMC monitor

Community security monitor

Municipal facilities monitor

3.Communication Services

Micro base station

Street lights embedded WIFI hot spot

4.Video Monitor

Security monitor

Vehicle monitor

5.Emergency Broadcast

Active of the external field radio monitoring center

6.Intelligent Lighting

Cellular cooling technology

Based on the luminance uniformity of light distribution

Intelligent single lamp/center controller

Variety of modular design lamp,holder is optional.

7.Information Release

Advertising exposure

Current politics news

Information release

8.Charging Column

Electric car

Electric bicycle

Intelligent Street Lamp,Street Lamp,Street Lamp Post,Intelligent Lamp

Jiangsu chengxu Electric Group Co., Ltd , https://www.chengxulightings.com