Publish Time: 2018-05-19 Origin: Site
What is slewing unit(slewing drive)?
The slewing unit comprises an upper part that usually rotates relative to a bottom part around an axis that is normally vertical. The slewing unit acts as both a connecting element and Bearing (pivot bearing). It must be able to withstand high axial forces.
Application of slewing unit(slewing drive)
Slewing units are used to rotate and position loads, such as containers, pallets, logs, packaged goods,crane and grabs.
Nowadays, a slewing unit forms part of the basic equipment of almost every harbour mobile crane, but it is also used on stationary cargo cranes and deck cranes. For crane，The Slewing unit is located at the top of the crane tower. Only the jib and counter jib turn.
The original electro-mechanical units with lifting capacities of 5-32 tons are now being supplemented by electro-hydraulic units. Today, they feature lifting capacities of 200 tons and more.