Slewing drives deliver precise, smooth rotation and positioning of heavy loads with high torque, all within a compact design. Often featuring a self-locking mechanism, they ensure stability and accuracy in demanding applications such as cranes, wind turbines, and solar trackers.

A slewing drive integrates a slewing bearing, worm shaft, housing, motor, and other components. The motor drives the worm shaft, which rotates the outer ring of the slewing bearing. Torque is output through the flange, while the inner ring is fixed in the housing, providing controlled rotational motion for heavy loads.

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Types

W Series (Worm/Enclosed)

Single worm gear drives with enclosed housing for high torque and self-locking in outdoor/heavy-duty uses like solar trackers and cranes; includes upgrades like FWA (thinner, sealed) and WEA.

• FWA
• W
• WD
• WE
• WEA
• WS

S Series (Standard/Enclosed)

Enclosed single worm variants optimised for harsh environments, offering robust load capacity and corrosion resistance in industrial rotation applications.

• S
• SE
• SEA
• SH
• SG
• SS

High Speed and Precision

Single worm designs emphasising speed (HSE) or backlash reduction (PE, ZE) for precise positioning in automation and tracking systems.

• HSE
• PE
• ZE

Double Worm

Dual worm gears (e.g., TGB series) for superior torque, redundancy, and braking in extreme load/off-center scenarios like mining equipment.

• TGB
• TGE

Planetary Slew Drives

Planetary slew drives integrate planetary gears with slewing bearings for high torque density and dynamic load capacity in cranes and excavators.

Spur Gear

Pinion spur gear types (e.g., TGP, SP) for high-speed rotation and accuracy, ideal for agriculture or irrigation where self-locking is less critical.

• TGP-L
• TGP-M
• TGP-H
• SP

Specialised

Manufacturer-specific or niche models (CLA, FGE, VH) for custom applications, pending further spec alignment.

• CLA
• FGE
• VH

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