Date: 2013-08-20

Effects from the use of factor analysis NSK bearing life cause

NSK Bearings factors affecting the service life may be many, can benefit from using factors and internal factors further instructions.
Using factor mainly refers to the installation and adjustment, use and maintenance, repair and other maintenance meets the technical requirements. According to NSK bearing installation, use, maintenance, maintenance of the technical requirements for operation of the bearings to bear the load, speed, temperature, vibration, noise and lubrication condition monitoring and inspection, abnormal immediately find reasons to be adjusted so that its back to normal. Installation conditions are the primary factors that one of the factors bearing is often caused by improper installation package bearing force between the various parts of the state change, bearing in abnormal state of operation and early end of life
NSK bearing life analysis of the main task is based on a lot of background material, analysis of data and failure modes, find the cause of bearing failure of the main factors in order to have targeted improvements to extend bearing service period, to avoid the occurrence of sudden bearing onset of early failure.
A, demolition
1. First with a hex wrench to loosen the eccentric sleeve bearing locking screw, and then cover with a small iron bar into the sink hole eccentric sleeve, against the direction of rotation axis eccentric to play loose.
2. Loosen the bearing bolts. Together with the bearing removed from the shaft bearing. Note that the demolition before the shaft end bearing. Should be the other end of shaft bearing bolts loose, so both ends of the bearing strength and damage each other.
B, installation
1. NSK Bearings mounted to the shaft, you must first remove the fixed pin bearing jacket, while the journal surface polished smooth and clean, and in the journal at the oiled rust and lubrication (to allow the bearing on the shaft slightly rotated).
2. With the bearing and the bearing lubricant topcoat, the bearing into the bearing housing. Then the assembled bearing NSK bearing together with the sleeve on the shaft. Pushed to the desired location for installation.
3. Fixed bearing bolt, do not tighten, to make the bearing jacket can rotate within the bearing. Also installed the other end of the shaft with a bearing and seat, rotate the shaft several turns to the bearing itself automatically find the positive position. Then bearing bolt is good.
4. Mounted eccentric. Condom at first eccentric eccentric sleeve bearing on the steps and along the axis of rotation by hand tighten. Then insert a small iron bar or withstand eccentric sleeve sink holes. Hand hammer percussion along the axis of rotation of small bars of iron. The eccentric sleeve is securely installed, and finally the eccentric sleeve locking hex screws.

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