Tilting Pad Journal BearingDate:2016-7-12 20:07:06 Visits: Author:Dongfang YOYIK Engineering Co; Ltd,
China Steam Turbine Tilting Pad Journal Bearing Manufacturer
It is called Mitchell journal bearings. The bearing liner consists of many bearing segments which can rotate around the fulcrum. The gap between every bearing segment serves as the bearing liner’s oil inlet. When the journal rotates, every pad can form a oil wedge. The performance of the self-centering about this bearing is outstanding. It won’t happen the Instability phenomenon. The pad can incline freely on the support point and adjust the position separately and freely which can adapt the change of the rotate speed and bearing load.
Every pad’s oil film force can pass the journal center. It doesn’t have the component which causes axis sliding. Thus it has a good brake performance. it can effectively avoid the oil film self-oscillation and clearance of oscillation. It can limit unbalanced oscillation. The bearing load capacity of the tilting pad transverse bearing is the vector sum of every pile’s. Therefore, its bearing capacity is lower than the single oil wedge liquid dynamic pressure transverse bearing’s, but it has better rotation accuracy and better stability. It can be widely used in high speed and low load machines, such as the turbine and grinder, etc.
The tilting pad consists of 6 symmetrically arranged pads. Elliptical bearings are single-sided oil inlet and upper tile slotted structure. The bearing alloy joint surface is dovetail groove structure. When installing, the bearing torque should be measured to meet the relevant standards.
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