Liebherr Components presents a line of slewing drive units, expanding its existing bearing portfolio.
- Maximum torque and easy servicing are the top benefits
- Includes worm slewing drive units, spur gear slewing drive units and belt slewing drive units
- Driven by a hydraulic or electric motor
- Available with one or more drives and with single or double-start worm shafts
- Brake or position sensing unit can be optionally adapted in all units
- Lubrication can be carried out with grease or oil
Worm slewing drive units
- Ultra-compact units with high power density
- Suitable for transmission of extremely high forces and torques within limited installation space
- Find use in steering gear units for running gear of crane and heavy-duty vehicles, as well as in construction, forestry and agricultural machinery
- Combines slewing bearings with drive worm
- Worm gearing allows torque to be transmitted to slewing ring with optional backlash reduction
- Offered with raceway diameters of up to 725 mm (28.5 in.)
Spur gear slewing drive units
- Usually moved by one or more pinions, which are supported by bearings
- Characterized by fast rotation speed with low heat development
- Combines slewing bearings and drives
Belt slewing drive unit
- Suited for high circumferential speeds
- Features high degree of efficiency with particularly low-noise operation
- Use of special materials enable application in ambient conditions with low temperatures
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