Although we have effect on the fan bearing is very clear, but some of the problems in the use of fan will inevitably encounter some problems, we feel not hurt the important essentials, but some problems, but it will affectthe use effect of wind machine, which is why many users think the reasonof fan use effect is relatively low. The problem, especially the use of fanbearing on these issues more prominent. We therefore this section for the bearing problem for everyone in detail.

Blade on both sides with the locking sleeve and the bearing is fixed with.Re test is a free end bearing vibration value of high temperature, highfault, open the bearing bar on the cover, manual slow rotating fanbearing roller shaft, found in a specific position, also has the rolling innon load can be determined. So the partial high bearing running clearance changes and installation clearance may be insufficient.Because of the left and right bearing span, to avoid the error of shaftdeflection or bearing installation angle is more difficult, therefore, large wind machine adopts spherical roller bearings automatic centeringadjustment.

Bearing internal clearance decreases with the increase of the matchingtightness, can not form a lubricating curved membrane, when the bearingrunning clearance due to temperature rise and drop to zero, if thebearing runs the heat generated is still larger than from the heat, the bearing temperature is climbing fast, at this time, if not immediately stop,the bearing will be burning, bearing inner ring matched with the shaft oftight is the cause of abnormal high temperature bearing operation.

These are caused by the fan bearing the causes of problems, comparedwith is the user in the use of wind machine process, since we have foundthe cause of the problem, then the solution to the problem of nature can be found, treatment, retreat under tight sets, re adjust the shaft and the inner tension, replacement bearing clearance after 0.10mm. Re installedrestart fan, bearing vibration value and operation temperature returned to normal.

Bearing internal clearance is too small or the mechanical design and manufacture precision is poor, is the main cause of extension bearingoperating temperature is high, for the convenience of the wind machineequipment installation; overhaul and maintenance. In the design on the use of locking sleeve bearing inner ring of the bearing with taper hole,but also easy for installation on the careless problems. Especially theproper clearance.

Different methods to solve different problems, but also due to the presence of each fan is also different, in solving time depends.

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