Planetary Slew Drive

Wheel travel and slewing drive solutions
Boosting cellular planetary gear unit performance
Mobile planetary gear systems must provide reliable functionality under extremely harsh circumstances. In steering wheel drives, this means major radial loads, shock loads and tilting movements – all in a limited offered space. In slewing equipment, coping with the major radial loads transmitted to the slewing gear is the challenge.
Advanced bearing plans from Ever-Power can handle these conditions and even more. Solutions include:
Wheel drives – Ever-Power offers thin-section tapered roller bearings, thin section angular get in touch with ball bearings, CARB toroidal roller bearings and off-highway hub products (flanged and geared).
Slewing drives – For the result Planetary Slew Drive pinion in slewing drives, Ever-Power offers Explorer tapered roller bearings, spherical roller bearings and cylindrical roller bearings.
Whatever your drive type and functioning challenges, Ever-Power will help you meet them. Working with Ever-Electricity, you can support increased external load, improved torque and smaller sized and lighter plans.the worm planetary gearbox is of horizontally input shaft and vertical output shaft type wall-attached gearbox comprising of three-stage reductions viz. 1 st level of worm gear set and 2 nd, 3 rd stage was created with planetary
Ever-Electricity industrial, yaw and pitch and portable slew drives are made to do the job seamlessly in applications requiring slew bearings or perhaps racks, perhaps in a large-capacity winch.
Ever-Power slewing drives are an essential component in keeping pounds and size to the very least on apparatus such as for example tower cranes, aerial systems, discharge booms, excavation and engineering equipment.
Their planetary structure allows them to withstand very high torque values while maintaining lowered dimensions, lowered weight and high efficiency. The Dana Ever-Electric power slewing drives are ideal for the most extreme duties in every environment. The design of the planetary systems optimises torque overall performance and radial load potential, to be able to give best meshing between pinion and band gear.
For accurate adjustment, several versions have eccentric installation between your pinion axis and the casing axis. Their broad range of ratios enables selecting motor size and type which very best suits the customer’s.
This wide range of Ever-Power planetary gear units is specifically designed for pinion and slewing ring drives. Effectively utilized on tower cranes, shipboard and harbor cranes, wind turbines and as steering drive on ship propulsion systems, they can be utilized in every applications where correct positioning is called for. These Ever-Electric power slewing drives are well suited for the most severe duties in every environment. The look of the planetary devices optimizes torque performance and radial load potential, so that you can give excellent meshing between pinion and ring gear. For exact adjustment, some types have eccentric installation between the pinion axis and the casing axis. Their broad range of ratios enables selecting electric motor size and type which very best satisfies the customer’s requirements and request.
Technical Data
Maximum Torque 6,000 … 200,000 Nm
Transmission Ratio up to 3,282 iN
Certifications: Certification ISO 9001 Type Acceptance Certifications: DNV-GL and ABS
Sectors: Marine Technologies | Heavy Duty Technologies
Ever-Power Gear Units for Slewing Gears
Technical data
Slewing gear drives are used to put driven machines. They have been tried and analyzed in many different applications, such as cranes, excavators, and drilling platforms. Ever-Power gear systems for slewing equipment drives have a modular design. They can be combined with a long or short lantern equipment drive on the productivity side. The mounted outcome pinions are manufactured in line with the customer’s technical specs. On the input aspect, we offer solutions for both electric motors and high-quickness or low-quickness hydraulic motors, some of which are already standardized.
One frequently requested substitute, particularly as a equipment unit for slewing gear drives in bucket wheel excavators, contains a Ever-Power planetary equipment product with a bevel or perhaps bevel helical gear unit on the input part. The drive engine and a brake happen to be organized on a bracket on the apparatus device, so that the machine no longer needs to be aligned on internet site. A brake is certainly always mounted between your motor and the gear unit in order to fix the boom in a defined position. An overload security mechanism can additionally be provided to protect the boom and the travel against inadmissibly high loads.
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Technical data
Planetary gear unit
Nominal output torques from 22,000 to 354,000 Nm (bigger torques 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 increased flexibility and multiple mounting options
No dependence on on-site alignment because of bracket with motor, equipment unit, brake, and coupling
Customized solutions for particular projects
Option of eccentric installation to enable the backlash to end up being adjusted between the pinion and the ring gear
Optimized sealing systems prolong the services life
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Drilling platforms
Slew Drives, commonly referred to as a Slewing Gear or Slew Bearings, is a complete, prepared to install system that includes a ball or roller slewing band bearing, drive educate, and completely enclosed housing. It can be custom-made with hydraulic or electric motors, brakes, planetary gearboxes, corrosion protection, together with many other options.
Ever-Power decrease costs by replacing intricate in-house systems in machines that rotate weighty loads and require functionality and innovation. Each comes with an unlimited slewing angle and range, move effortlessly and jolt-free, no slip-stick result, and provide the most effective transmission of high electricity and torque conceivable. Our Slew Drives are completely enclosed and sealed casing withstands harsh conditions and increases safety.
As a ready-for-installation program module, they replace countless individual parts. Slew drives are utilized for aerial platforms, security technology, public transport, forestry machine sectors, solar trackers, and more.
Compact style for space-saving constructions
Optimum load capacity in a concise design
Designed for extended service life with zero-maintenance
Basic integration into existing applications
Fast customization because of the modular structure
Exceptional designs deviating from our standard series are realizable
Steering systems for specialized automobiles and cranes (when steering gears intended for wheelsets)
Manlift platforms for slewing booms and baskets Light cranes
Equipment attachments, such as cement demolition pincers, picker arms, and rotary forklifts
Handling units (automation technology)
Loading and unloading devices
Positioning devices/turntables including solar trackers
Ever-Power slewing drives are an important component in keeping excess weight and size to a minimum on apparatus such as tower cranes, Pitch and Yaw drives for wind strength, aerial systems and mixers. Their planetary composition implies that they can stand up to very high torque values while maintaining reduced dimensions, reduced weight and excessive efficiency. The broad range of available ratios enables selecting a electric motor size and type which finest suits users requirements: hydraulic or electrical. Bevel source and hydraulic brake will be some of the choices, which are available for this series. Straightforward mounting, operating dependability and adaptability make these units suited to the most extreme duties and environments.
Customizable drive solutions, every from one source
Our durable, powerful and flexible professional gear unit solutions meet your requirements in every respect – the energy rating in addition to the installation. We offer all the important components of a slewing equipment drive under one roof:
Motor and motor scoop
Brake between your motor and gear unit with torque limiter to avoid excessive loads
Protective covers
Primary gear product (helical or bevel-helical)
Planetary gear unit with pinion shaft and extended housing at the output
Output pinion
Slewing gear drives for just about any power ranking and mounting position
For larger devices, the slewing equipment drive can be made up of various gear units that effect on the same girth equipment with external or internal teeth. We give the right mixture of gear products for every requirement:
Our P series commercial planetary gear products and the X series commercial bevel equipment and bevel-helical gear devices are adequate for smaller torques of up to 500 kNm. A blend of XP series commercial planetary gear systems and X series professional bevel-helical gear devices provide larger torques as high as 4,000 kNm.
Slewing gear drives are usually shaft-mounted designs. This ensures that the gear unit is mounted on top and the pinion on underneath. However, our drive solution is also obtainable as a bottom-mounting release or “bottom-up” version – in this case the pinion is put on top. The lubrication, oil growth container and the seals happen to be adapted to the installation position.
This wide selection of Ever-Power planetary gear units is especially suitable for pinion and slewing ring drives. Successfully utilized on tower cranes, shipboard and harbor cranes, wind generators and as steering drive on ship propulsion systems, they can be utilized in every applications where appropriate positioning is called for. These Ever-Electrical power slewing drives are ideal for the most extreme duties in every environment. The design of the planetary models optimizes torque effectiveness and radial load capacity, so as to give best meshing between pinion and ring gear. For accurate adjustment, some variants have eccentric installation between your pinion axis and the casing axis. Their wide range of ratios enables selecting engine size and type which ideal suits the customer?s requirements and request. Ever-Power is pleased with its quality assurance insurance policy, including the Type Acceptance Certificate from DNV.
Slew drive equipment reducers, from 9 kNm to 400 kNm optimum output torque over 10 primary sizes and 3 result reinforced support configurations:
– R: dual pilot flanged
– S: dual pilot compact
– H: single pilot the front flanged
Modular design, with multi-optional executions


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As one of leading manufacturers, suppliers and exporters of mechanical products in China, We offer reducers, sprockets, industrial and conveyor chain, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, vacuum Pumps, screw air compressors and many other products. Please contact us for details.

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