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Slewing ring, also called slewing bearings or turntable bearing, is a sizable bearing which is able to sustain the more axial load, radial load and tilting moment. It is known as: “worm gear slew drive machine joints”, the fundamental machinery transmission parts, between the two objects that require to become relative rotary movement. It gets the inner and outer band, rolling and other elements.
One can consider the slewing drive as a gearbox since the core motion elements will be the slewing bearing and worm shaft. It also consists of auxiliary elements such as for example seals, housing, and electric motor. As a power resource, slew motor is generally DC planetary gear electric motor or AC gear motor. AC hydraulic electric motor is mainly used in the building machinery as a power travel system. As the core component is slewing ring drive, slewing gearbox can readily withstand the axial and radial forces. The slew get working principle: The worm is driven by the motor, which drives the outer ring of the slewing ring to rotate; The external ring output the torque through the flange and the internal band of the slewing band is fixed in the housing.
Slewing drive has invert self-locking due to worm gear drive with reverse self-locking features. This feature significantly enhances the stability of the sponsor operating and safety factor. When compared to traditional swing products, slewing get gearbox is easy to install, easy to maintain, and saves considerable installation space.