Planetary Slew Drive

Wheel travel and slewing drive solutions
Boosting cellular planetary gear unit performance
Mobile planetary gear devices must provide reliable efficiency under extremely harsh conditions. In steering wheel drives, this means weighty radial loads, shock loads and tilting movements – all in a limited readily available space. In slewing devices, coping with the heavy radial loads transmitted to the slewing gear 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 roller bearings, thin section angular get in touch with ball bearings, CARB toroidal roller bearings and off-highway hub units (flanged and geared).
Slewing drives – Meant for the outcome pinion in slewing drives, Ever-Power provides 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 together with Ever-Ability, you can support increased external load, improved torque and smaller sized and lighter arrangements.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 match and 2 nd, 3 rd stage is designed with planetary
Ever-Electricity industrial, yaw and pitch and mobile slew drives are made to function seamlessly in applications requiring slew bearings or racks, perhaps in a large-capacity winch.
Ever-Ability slewing drives are an important component in keeping pounds and size to a minimum on devices such as for example tower cranes, aerial platforms, discharge booms, excavation and structure equipment.
Their planetary structure allows them to withstand very high torque values while maintaining reduced dimensions, reduced weight and high efficiency. The Dana Ever-Electrical power slewing drives are ideal for the most serious duties in every environment. The design of the planetary models optimises torque efficiency and radial load capability, so that you can give perfect meshing between pinion and band gear.
For accurate adjustment, a lot of versions have eccentric mounting between the pinion axis and the casing axis. Their wide range of ratios enables selecting electric motor size and type which very best suits the customer’s.
This broad range of Ever-Power planetary gear units is especially made for pinion and slewing ring drives. Effectively used on tower cranes, shipboard and harbor cranes, wind generators and as steering drive on ship propulsion systems, they works extremely well in every applications where appropriate positioning is necesary. These Ever-Electrical power slewing drives are ideal for the most severe duties in every environment. The look of the planetary products optimizes torque performance and radial load ability, as a way to give perfect meshing between pinion and ring gear. For exact adjustment, some variants have eccentric installation between the pinion axis and the casing axis. Their broad range of ratios enables the selection of motor size and type which very best matches the customer’s requirements and request.
Technical Data
Maximum Torque 6,000 … 200,000 Nm
Tranny Ratio up to 3,282 iN
Certifications: Certification ISO 9001 Type Authorization Certifications: DNV-GL and ABS
Sectors: Marine Technologies | Heavy Duty Technologies
Ever-Power Gear Products for Slewing Gears
Technical data
Slewing equipment drives are used to put driven machines. They have been tried and examined in many numerous applications, such as cranes, excavators, and drilling platforms. Ever-Power gear units for slewing gear drives possess a modular design. They are often combined with a long or short lantern gear drive on the result side. The mounted outcome pinions are manufactured based on the customer’s specs. On the input part, you can expect solutions for both electric motors and high-rate or low-acceleration hydraulic motors, some of which already are standardized.
One frequently requested alternative, particularly as a gear unit for slewing gear drives in bucket wheel excavators, consists of a Ever-Power planetary equipment product with a bevel or perhaps bevel helical gear device on the input aspect. The drive electric motor and a brake are arranged on a bracket on the gear unit, so that the system no longer should be aligned on internet site. A brake is usually always mounted between your motor and the gear unit so as to correct the boom in a defined position. An overload security mechanism can additionally be provided to safeguard the boom and the drive against inadmissibly great loads.
To the most notable of the page
Technical data
Planetary gear unit
Nominal output torques from 22,000 to 354,000 Nm (higher torques available on request)
Transmission ratios from 25 to 4,000
To the very best of the page
Compact, space-saving design
Low weight
Low noise level
Variable lantern gear drive lengths acc. to customer’s specification
Modular design creates improved flexibility and multiple mounting options
No dependence on on-site alignment because of bracket with motor, gear unit, brake, and coupling
Customized solutions for certain projects
Option of eccentric installation to enable the backlash to become adjusted between the pinion and the band gear
Optimized sealing systems prolong the support life
To the very best of the page
Drilling platforms
Slew Drives, commonly known as a Slewing Gear or Slew Bearings, can be a Planetary Slew Drive complete, prepared to install system that includes a ball or roller slewing ring bearing, drive teach, and completely enclosed casing. It can be customized with hydraulic or electrical motors, brakes, planetary gearboxes, corrosion protection, in addition to many other options.
Ever-Power reduce costs by replacing complex in-house systems in machines that rotate serious loads and require operation and innovation. Each comes with an unlimited slewing angle and range, move smoothly and jolt-free, no slip-stick effect, and provide the most efficient transmission of high vitality and torque possible. Our Slew Drives are completely enclosed and sealed housing withstands harsh environments and increases safety.
As a ready-for-installation system module, they replace countless individual parts. Slew drives are utilized for aerial platforms, defense technology, public transport, forestry machine sectors, solar trackers, and more.
Compact style for space-saving constructions
Maximum load capacity in a compact design
Designed for extended service life with low maintenance
Simple integration into existing applications
Fast customization thanks to the modular structure
Exceptional designs deviating from our regular series are realizable
Steering systems for specialized cars and cranes (when steering gears pertaining to wheelsets)
Manlift systems for slewing booms and baskets Compact cranes
Machine 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-Electric power slewing drives are an essential component in keeping weight and size to a minimum on products such as tower cranes, Pitch and Yaw drives for wind strength, aerial systems and mixers. Their planetary composition signifies that they can hold up against very high torque ideals while maintaining reduced dimensions, reduced weight and large efficiency. The wide selection of available ratios permits selecting a engine size and type which best meets users requirements: hydraulic or electronic. Bevel suggestions and hydraulic brake will be some of the options, which are available for this series. Straightforward mounting, operating dependability and flexibility make these units ideal for the most serious duties and environments.
Customizable drive solutions, most from one source
Our durable, powerful and flexible industrial gear unit solutions meet your requirements in every respect – the energy rating along with the installation. We provide all the important parts 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 unit (helical or bevel-helical)
Planetary gear product with pinion shaft and prolonged 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 equipment units that effect on the same girth gear with internal or external teeth. We give the right combo of gear models for every requirement:
Our P series commercial planetary gear units and the X series commercial bevel gear and bevel-helical gear models are satisfactory for smaller torques as high as 500 kNm. A blend of XP series commercial planetary gear products and X series professional bevel-helical gear units provide larger torques as high as 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 solution is also available as a bottom-mounting edition or “bottom-up” version – in this instance the pinion is positioned at the top. The lubrication, oil expansion container and the seals happen to be adapted to the mounting position.
This wide range of Ever-Power planetary gear units is specifically made for pinion and slewing ring drives. Efficiently utilized on tower cranes, shipboard and harbor cranes, wind turbines and as steering travel on ship propulsion devices, they can be utilized in every applications where accurate positioning is called for. These Ever-Electric power slewing drives are suited to the most extreme duties atlanta divorce attorneys environment. The look of the planetary units optimizes torque efficiency and radial load capability, in order to give best meshing between pinion and band gear. For accurate adjustment, some editions have eccentric installation between the pinion axis and the casing axis. Their wide range of ratios enables selecting electric motor size and type which ideal suits the customer?s requirements and request. Ever-Power is proud of its quality assurance plan, including the Type Acceptance Certificate from DNV.
Slew drive gear reducers, from 9 kNm to 400 kNm optimum output torque over 10 primary sizes and 3 end result reinforced support configurations:
– R: dual pilot flanged
– S: dual pilot compact
– H: single pilot entrance flanged
Modular design, with multi-optional executions


Recent Posts