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Planetary Slew Drive

Wheel travel and slewing drive solutions
Boosting cellular planetary gear unit performance
Mobile planetary gear devices must provide reliable performance under extremely harsh conditions. In wheel drives, this means weighty radial loads, shock loads and tilting motions – all in a restricted readily available space. In slewing machines, coping with the hefty radial loads transmitted to the slewing equipment is the challenge.
Advanced bearing plans from Ever-Power can handle these conditions and more. Solutions include:
Wheel drives – Ever-Power provides thin-section tapered roller bearings, thin section angular contact ball bearings, CARB toroidal roller bearings and off-highway hub products (flanged and geared).
Slewing drives – Designed 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 operating challenges, Ever-Power can help you meet them. Working with Ever-Power, you can accommodate increased external load, improved torque and more compact and lighter arrangements.the worm planetary gearbox is of horizontally input shaft and vertical output shaft type wall-installed 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 portable slew drives are designed to operate seamlessly in applications requiring slew bearings or racks, perhaps in a large-capacity winch.
Ever-Ability slewing drives are an essential component in keeping pounds and size to a minimum on gear such as tower cranes, aerial systems, discharge booms, excavation and building equipment.
Their planetary structure allows them to withstand high torque values while maintaining decreased dimensions, decreased weight and high efficiency. The Dana Ever-Electricity slewing drives are suited to the most extreme duties in every environment. The design of the planetary devices optimises torque functionality and radial load potential, to be able to give perfect meshing between pinion and band gear.
For accurate adjustment, several versions have Planetary Slew Drive eccentric mounting between the pinion axis and the casing axis. Their broad range of ratios enables the selection of electric motor size and type which finest suits the customer’s.
This wide variety of Ever-Power planetary gear units is particularly created for pinion and slewing ring drives. Effectively employed on tower cranes, shipboard and harbor cranes, wind generators and as steering drive on ship propulsion devices, they can be used in all applications where exact positioning is called for. These Ever-Electric power slewing drives are suitable for the most extreme duties in every environment. The look of the planetary systems optimizes torque efficiency and radial load capacity, as a way to give ideal meshing between pinion and ring gear. For exact adjustment, some editions have eccentric mounting between the pinion axis and the casing axis. Their wide range of ratios enables the selection of electric motor size and type which very best suits the customer’s requirements and app.
Technical Data
Maximum Torque 6,000 … 200,000 Nm
Transmitting 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 Devices for Slewing Gears
Technical data
Slewing equipment drives are used to position driven devices. They have been tried and examined in many several applications, such as for example cranes, excavators, and drilling systems. Ever-Power gear systems for slewing equipment drives possess a modular design. They can be combined with a long or short lantern gear drive on the productivity side. The mounted productivity pinions are manufactured according to the customer’s requirements. On the input side, you can expect solutions for both electric motors and high-swiftness or low-swiftness hydraulic motors, some of which are already standardized.
One frequently requested alternative, particularly as a equipment unit for slewing equipment drives in bucket wheel excavators, contains a Ever-Power planetary equipment product with a bevel or bevel helical gear unit on the input part. The drive motor and a brake will be arranged on a bracket on the apparatus device, so that the machine no longer has to be aligned on site. A brake can be always mounted between the motor and the apparatus unit as a way to resolve the boom in a precise position. An overload safe practices mechanism can also be provided to safeguard the boom and the drive against inadmissibly great loads.
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Technical data
Planetary gear unit
Nominal output torques from 22,000 to 354,000 Nm (larger 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 improved overall flexibility and multiple mounting options
No need for on-site alignment because of bracket with motor, gear unit, brake, and coupling
Customized solutions for particular projects
Option of eccentric assembly to permit the backlash to end up being adjusted between your pinion and the band gear
Optimized sealing systems prolong the provider life
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Drilling platforms
Slew Drives, commonly known as a Slewing Gear or Slew Bearings, is usually a complete, ready to install system that includes a ball or roller slewing band bearing, drive coach, and completely enclosed housing. It can be customized with hydraulic or electric motors, brakes, planetary gearboxes, corrosion protection, in addition to many other options.
Ever-Power reduce costs by replacing complex in-house systems in devices that rotate serious loads and require functionality and innovation. Each has an unlimited slewing angle and range, move smoothly and jolt-totally free, no slip-stick result, and provide the most effective transmission of high vitality and torque possible. Our Slew Drives happen to be completely enclosed and sealed casing withstands harsh environments and increases safety.
As a ready-for-installation program module, they replace many individual parts. Slew drives are used for aerial platforms, security technology, public transportation, forestry equipment sectors, solar trackers, and many more.
Compact style for space-saving constructions
Maximum load capacity in a compact design
Designed for longer service life with zero-maintenance
Simple integration into existing applications
Fast customization because of the modular structure
Specialized designs deviating from our standard series are realizable
Steering systems for specialized cars and cranes (as steering gears meant for wheelsets)
Manlift systems for slewing booms and baskets Lightweight cranes
Machine attachments, such as concrete demolition pincers, picker hands, and rotary forklifts
Handling equipment (automation technology)
Loading and unloading devices
Positioning devices/turntables which include solar trackers
Ever-Ability slewing drives are an important component in keeping excess weight and size to the very least on apparatus such as for example tower cranes, Pitch and Yaw drives for wind energy, aerial platforms and mixers. Their planetary framework means that they can stand up to very high torque values while maintaining reduced dimensions, reduced weight and substantial efficiency. The broad range of available ratios enables selecting a motor size and type which finest satisfies users requirements: hydraulic or electronic. Bevel insight and hydraulic brake will be some of the options, which are available for this series. Basic mounting, operating stability and flexibility make these units suitable for the most severe 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 as well as the installation. We offer all the important pieces of a slewing equipment drive under one roof:
Motor and motor scoop
Brake between the motor and gear unit with torque limiter to prevent excessive loads
Protective covers
Primary gear device (helical or bevel-helical)
Planetary gear product with pinion shaft and expanded housing at the output
Output pinion
Slewing gear drives for any power rating and mounting position
For larger devices, the slewing gear drive can be comprised of various gear units that impact on the same girth gear with internal or external teeth. We present the right combo of gear models for every requirement:
Our P series commercial planetary gear products and the X series industrial bevel equipment and bevel-helical gear models are enough for smaller torques of up to 500 kNm. A blend of XP series industrial planetary gear models and X series industrial bevel-helical gear devices provide larger torques of up to 4,000 kNm.
Slewing equipment drives are generally shaft-mounted designs. image products hydraulic 20component hydraulic 20slew 20driveThis ensures that the apparatus unit is mounted at the top and the pinion on underneath. However, our drive solution is also obtainable as a bottom-mounting type or “bottom-up” version – in this instance the pinion is put on top. The lubrication, oil expansion container and the seals happen to be adapted to the mounting position.
This wide variety of Ever-Power planetary gear units is especially designed for pinion and slewing ring drives. Efficiently used on tower cranes, shipboard and harbor cranes, wind generators and as steering drive on ship propulsion systems, they can be utilized in all applications where accurate positioning is called for. These Ever-Ability slewing drives are suitable for the most severe duties atlanta divorce attorneys environment. The design of the planetary models optimizes torque overall performance and radial load ability, to be able to give excellent meshing between pinion and band gear. For correct adjustment, some variations have eccentric installation between the pinion axis and the casing axis. Their wide variety of ratios enables selecting electric motor size and type which greatest suits the customer?s requirements and application. Ever-Power is proud of its quality assurance insurance 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 productivity reinforced support configurations:
– R: dual pilot flanged
– S: dual pilot compact
– H: single pilot entrance flanged
Modular design, with multi-optional executions



As one of the leading manufacturers, suppliers, and exporters of mechanical products, We offer reducers, sprockets, industrial and conveyor chains, belts, pulleys, gears, racks, gearboxes, motors, PTO Shafts, taper lock Bushing, and many other products. Please get in touch with us for details.

SSJ UK Limited
Sara Jones
Mail: [email protected]
TEL: + 44 7944 869861
ADDR.: Bury St Edmunds, Suffolk IP32 7LX, UK

TEL: +39 0522 1606 388; +39 3471 65 17 22
ADDR.:Via Pasteur, Reggio Emilia, Italy