Fan bearing fracture cause analysis - Jiaxing bearing sales company

Jiaxing bearing group sales co. , LTD. ( Hereinafter referred to as ') About the fan bearing damage cause analysis is as follows: damage: 1) We combine the fan bearing outer ring raceway, Because apart now is two and a half) The trace of the roller run: roller bearing of the fan is not fully and channel contact, roller forming one column uniform stress, another column roller stress non-uniform, trace observed under light is more obvious; In addition, according to the bearing inside diameter and the axis of the interface is found, shaft and bearing inner diameter failed to fully contact, about a centimeter diameter height without apparent contact traces, contact area and the raceway work faces. 2) The fan bearing inner channel unilateral skin peeling, flake form. In the ditch on the other side indentation is relatively uniform. 3) In the operation of the roller have obvious spalling and fan in parking phenomenon. Analysis of the reasons as follows: 1) Clearance does not meet the use requirement. 2) Bearing inner ring or shoulder to shaft head size is different. 3) There are obvious axial force. 4) Frequent switch machine operation. 5) Hard through the lower bearing. 6) Foreign invasion. Many people also like these articles: 1, the bearing installation common q&a highlights; 2, bearing wear? 3, how to adjust the high temperature bearing clearance? 4, installation, high precision bearing need to pay attention to what issues? Jiaxing bearing group sales co. , LTD. ( Jiaxing bearing) Is in the province of marketing center of jiaxing bearing group, the company since 1998 has been committed to the development and maintenance of the market, the company nearly $1 for spot inventory, for the majority of chemical machinery, agricultural machinery, electrical industry, food machinery, automobile industry and provides tens of thousands of sets of bearings, welcome to contact if necessary this keywords: jiaxing bearing fan bearing jiaxing bearing group sales co. , LTD