How does a slewing bearing work?

How does a slewing bearing work?


The rotary bearing is a rotary support, and it is called the revolving ring, and the rotation support is also known as the turntable bearing, consisting of the inner ring and outer ring. The inner ring or outer ring typically contains gears, and both elements include connecting holes, so that power transmission can be optimized by a simple and quick connection between adjacent components.


These devices are intended to transmit axial, radial, and tilt torque loads in one component, greatly reduced space, weight, and investment in high costs of other rotational design. The bearing roller combines with the rolling bodies and the holder or the spacer, which can withstand the load in any direction of individual or combined. The rotary support varies greatly depending on the size and bolt holes, but they can be constructed in the following ways:


Internal gear or outer gear

Ball or cross roller bearing design

Single row or double row

Lubrication hole


That is, the success of the rotary support is related to the system's driving mode, but the following is some of the most common types:

Single row

With a row of steel balls, the steel ball is separated from the isolation block. The inner ring and outer ring are key, and the steel ball is loaded by plug holes, which means that the steel ball is in contact with the rolling path while withstanding axial force, radial force, and torch torque.Double column

It is very similar to a single-column contact ball rotation support, but two column steel balls as a rolling body. All balls are the same size, while the inner ring and outer ring are integral.

three rows

Composed of three rings, upper and lower level distribution, with axial force and tipping moments (two-way). Therefore, the third row vertically arranged roller to withstand radial force.

Cross roller

This design is used, the rolling element is a cylindrical roller, and the axis of adjacent rollers is aligned with a 90 ° cross. Half of roller withstand downward axial force, half of the upward axial force.

Double volleyball

Double volleyball rotation supports with a double-row steel ball with an inner and outer ring, an isolation block, and a lubricating device.

Overview.


LYMC have many different types of rotary support to choose from, including external gears, internal gears and gears. Whether you want to improve the load capacity of the industrial machine, stability or power transmission, the swivel support can provide the quality required to maximize performance.




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