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What is the function of thrust bearing?
The function of the thrust bearing is to bear the axial thrust of the rotor during operation, and to determine and maintain the axial mutual position between the turbine rotor and the cylinder.
What is the role of thrust bearings in turbochargers?
Generally speaking (the specific structure of different models will vary), it is stuck in the groove of the fixed sleeve shaft seal. That is to say, there is no direct contact between the sealing parts you mentioned, because the shaft seal rotates with the shaft, and the thrust The thrust disc is generally in a non-rotating working state. The oil film thrust disc between the two serves to axially position the rotor and prevent the rotor from closing (generally referred to as the turbine, shaft, impeller and its upper shaft seal and other rotating parts). Together with the floating bearing that prevents radial movement of the rotor assembly, it completes the complete positioning of the rotor, allowing the supercharger rotor to rotate at the designed position without causing friction with the intermediate body, volute, pressure housing, etc.
The role of oil in the thrust bearing oil basin
Two functions: 1. Cooling effect. 2. Lubricating effect.
What are the characteristics of thrust ball bearings?
1. It is a separable bearing with a contact angle of 90°. It can be installed separately and can only bear axial load.
2. The limit speed is low. The steel balls are squeezed toward the outside of the raceway by centrifugal force and are easily scratched, but are not suitable for high-speed operation.
3. One-way bearings can bear one-way axial load, and two-way bearings can bear two-way axial load. 4. Thrust ball bearings with spherical seats have self-aligning performance and can eliminate the influence of installation errors.
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