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What are the application areas of slewing bearings?
Release time:
2023-08-23
What are the application areas of slewing bearings
1. ship crane
In the ship crane is commonly used in double-row reducing ball, four-point contact ball, three-row roller inner tooth structure of the turntable bearings, including three-row roller turntable bearings are mainly used in heavy cranes, four-point contact ball turntable bearings and double-row reducing ball turntable bearings are used in light cranes.
2. port crane
Port cranes generally use three-beat roller slewing bearings with a diameter of 4 meters, which can be used to withstand large overturning forces.
slewing bearing
3. wind power generator
The service life of the wind turbine is required to be 20 years, and the installation cost of the bearing is higher, so the service life of the yaw and pitch bearings is required to exceed 20 years. The base hardness of the bearing ring is between 240 and 280 HB, which can withstand the impact without plastic deformation. At the same time, the surface hardening hardness of the raceway can reach 55 to 62 HRC, which can improve the contact fatigue life and ensure the service life of the bearing.
4. ladle turret
Slewing bearings are generally three-row roller type, because of its poor working environment, high temperature, high performance requirements for fixtures, lubricants, seals, etc.
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