Planetary Slew Drive

Wheel drive and slewing drive solutions
Boosting cellular planetary gear unit performance
Mobile planetary gear models must provide reliable overall performance under extremely harsh circumstances. In wheel drives, this means heavy radial loads, shock loads and tilting actions – all in a restricted readily available space. In slewing devices, coping with the hefty radial loads transmitted to the slewing equipment is the challenge.
Advanced bearing arrangements from Ever-Power are designed for these conditions and more. Solutions include:
Wheel drives – Ever-Power presents thin-section tapered Planetary Slew Drive roller bearings, thin section angular contact ball bearings, CARB toroidal roller bearings and off-highway hub products (flanged and geared).
Slewing drives – Intended for the result pinion in slewing drives, Ever-Power provides Explorer tapered roller bearings, spherical roller bearings and cylindrical roller bearings.
Whatever your drive type and working challenges, Ever-Power can help you meet them. Working with Ever-Electric power, you can support increased external load, elevated torque and smaller sized and lighter plans.the worm planetary gearbox is of horizontally input shaft and vertical output shaft type wall-mounted gearbox comprising of three-stage reductions viz. 1 st level of worm gear couple and 2 nd, 3 rd stage was created with planetary
Ever-Vitality industrial, yaw and pitch and cellular slew drives are designed to operate seamlessly in applications requiring slew bearings or perhaps racks, perhaps in a large-capacity winch.
Ever-Electric power slewing drives are an important component in keeping fat and size to a minimum on apparatus such as tower cranes, aerial platforms, discharge booms, excavation and structure equipment.
Their planetary structure allows them to withstand very high torque values while maintaining decreased dimensions, reduced weight and high efficiency. The Dana Ever-Electrical power slewing drives are ideal for the most extreme duties in every environment. The design of the planetary devices optimises torque overall performance and radial load capability, to be able to give excellent meshing between pinion and ring gear.
For accurate adjustment, a lot of versions have eccentric installation between your pinion axis and the casing axis. Their wide variety of ratios enables selecting engine size and type which greatest suits the customer’s.
This wide selection of Ever-Power planetary gear units is especially created for pinion and slewing ring drives. Effectively employed on tower cranes, shipboard and harbor cranes, wind generators and as steering travel on ship propulsion devices, they can be used in every applications where accurate positioning is necesary. These Ever-Power slewing drives are ideal for the most extreme duties in every environment. The design of the planetary models optimizes torque functionality and radial load ability, in order to give best meshing between pinion and band gear. For accurate adjustment, some variants have eccentric mounting between your pinion axis and the casing axis. Their wide selection of ratios enables selecting electric motor size and type which best meets the customer’s requirements and software.
Technical Data
Maximum Torque 6,000 … 200,000 Nm
Transmitting Ratio up to 3,282 iN
Certifications: Certification ISO 9001 Type Approval Certifications: DNV-GL and ABS
Sectors: Marine Technologies | DURABLE Technologies
Ever-Power Gear Systems for Slewing Gears
Technical data
Slewing gear drives are used to position driven machines. They have already been tried and analyzed in many unique applications, such as for example cranes, excavators, and drilling systems. Ever-Power gear devices for slewing gear drives possess a modular design. They can be combined with an extended or short lantern gear drive on the outcome side. The mounted outcome pinions are manufactured in line with the customer’s technical specs. On the input side, you can expect solutions for both electric motors and high-quickness or low-quickness hydraulic motors, a few of which are already standardized.
One frequently requested solution, particularly as a equipment unit for slewing equipment drives in bucket wheel excavators, consists of a Ever-Power planetary equipment product with a bevel or perhaps bevel helical gear unit on the input area. The drive motor and a brake will be organized on a bracket on the gear product, so that the system no longer has to be aligned on site. A brake is certainly always mounted between your motor and the apparatus unit so that you can correct the boom in a defined position. An overload safe practices mechanism can additionally be provided to protect the boom and the drive against inadmissibly excessive loads.
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Technical data
Planetary gear unit
Nominal output torques from 22,000 to 354,000 Nm (bigger torques available on request)
Transmission ratios from 25 to 4,000
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Compact, space-saving design
Low weight
Low noise level
Variable lantern gear drive lengths acc. to customer’s specification
Modular design creates elevated versatility and multiple mounting options
No need for on-site alignment thanks to bracket with motor, equipment unit, brake, and coupling
Customized solutions for specific projects
Option of eccentric unit installation to allow the backlash to become adjusted between your pinion and the ring gear
Optimized sealing systems prolong the service life
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Drilling platforms
Slew Drives, commonly referred to as a Slewing Equipment or Slew Bearings, is certainly a complete, prepared to install system that includes a ball or roller slewing band bearing, drive educate, and completely enclosed casing. It can be customized with hydraulic or electric motors, brakes, planetary gearboxes, corrosion protection, together with many other options.
Ever-Power reduce costs by replacing intricate in-house systems in devices that rotate weighty loads and require operation and innovation. Each comes with an unlimited slewing angle and range, move effortlessly and jolt-totally free, no slip-stick effect, and provide the most efficient transmission of high vitality and torque possible. Our Slew Drives happen to be completely enclosed and sealed housing withstands harsh conditions and increases safety.
As a ready-for-installation program module, they replace countless individual parts. Slew drives are used for aerial platforms, defense technology, public transport, forestry equipment sectors, solar trackers, and much more.
Compact style for space-saving constructions
Maximum load capacity in a concise design
Designed for lengthy service life with low maintenance
Straightforward integration into existing applications
Fast customization thanks to the modular structure
Exceptional designs deviating from our common series are realizable
Steering systems for specialized automobiles and cranes (when steering gears intended for wheelsets)
Manlift systems for slewing booms and baskets Light cranes
Equipment attachments, such as concrete demolition pincers, picker hands, and rotary forklifts
Handling gadgets (automation technology)
Loading and unloading devices
Positioning devices/turntables which includes solar trackers
Ever-Power slewing drives are an important component in keeping pounds and size to the very least on tools such as tower cranes, Pitch and Yaw drives for wind energy, aerial platforms and mixers. Their planetary framework implies that they can resist very high torque values while maintaining reduced dimensions, reduced weight and great efficiency. The broad range of available ratios permits the selection of a engine size and type which greatest fits users requirements: hydraulic or electric power. Bevel input and hydraulic brake happen to be some of the choices, which are available for this series. Simple mounting, operating dependability and versatility make these units ideal for the most serious duties and environments.
Customizable drive solutions, almost all from one source
Our durable, powerful and flexible industrial gear unit solutions meet your requirements in all respects – the energy rating and also the installation. We offer all the important pieces of a slewing gear drive under one roofing:
Motor and motor scoop
Brake between the motor and gear product with torque limiter to prevent excessive loads
Protective covers
Primary gear device (helical or bevel-helical)
Planetary gear unit with pinion shaft and prolonged housing at the output
Output pinion
Slewing gear drives for just about any power rating and mounting position
For larger equipment, the slewing gear drive can be made up of various equipment units that effect on the same girth equipment with internal or external teeth. We give the right blend of gear products for every requirement:
Our P series professional planetary gear models and the X series industrial bevel equipment and bevel-helical gear systems are sufficient for smaller torques as high as 500 kNm. A combo of XP series industrial planetary gear systems and X series commercial bevel-helical gear devices provide larger torques of up to 4,000 kNm.
Slewing gear drives are generally shaft-mounted designs. This means that the gear unit is mounted on top and the pinion on underneath. However, our drive answer is also obtainable as a bottom-mounting type or “bottom-up” version – in this instance the pinion is positioned on top. The lubrication, oil growth tank and the seals happen to be adapted to the installation position.
This wide selection of Ever-Power planetary gear units is specifically made for pinion and slewing ring drives. Effectively used on tower cranes, shipboard and harbor cranes, wind turbines and as steering travel on ship propulsion systems, they can be utilized in all applications where accurate positioning is necesary. These Ever-Vitality slewing drives are suitable for the most extreme duties in every environment. The look of the planetary units optimizes torque efficiency and radial load ability, so as to give ideal meshing between pinion and ring gear. For exact adjustment, some editions have eccentric mounting between your pinion axis and the casing axis. Their broad range of ratios enables the selection of electric motor size and type which greatest suits the client?s requirements and program. Ever-Power is pleased with its quality assurance insurance policy, including the Type Approval Certificate from DNV.
Slew drive equipment reducers, from 9 kNm to 400 kNm maximum output torque over 10 primary sizes and 3 productivity reinforced support configurations:
– R: dual pilot flanged
– S: dual pilot compact
– H: single pilot front flanged
Modular design, with multi-optional executions


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