Planetary Slew Drive

Wheel travel and slewing drive solutions
Boosting mobile planetary gear unit performance
Mobile planetary gear units must provide reliable effectiveness under extremely harsh conditions. In wheel drives, this means heavy radial loads, shock loads and tilting movements – 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 gives thin-section tapered roller bearings, thin section angular contact ball bearings, CARB toroidal roller bearings and off-highway hub models (flanged and geared).
Slewing drives – For the output pinion in slewing drives, Ever-Power presents 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-Electric power, 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-mounted gearbox comprising of three-stage reductions viz. 1 st stage of worm gear couple and 2 nd, 3 rd stage was created with planetary
Ever-Ability industrial, yaw and pitch and cellular slew drives are created to job seamlessly in applications requiring slew bearings or perhaps racks, perhaps in a large-capacity winch.
Ever-Electric power slewing drives are an essential component in keeping fat and size to a minimum on devices such as tower cranes, aerial platforms, discharge booms, excavation and building equipment.
Their planetary structure allows them to withstand very high torque values while maintaining decreased dimensions, reduced weight and high efficiency. The Dana Ever-Vitality slewing drives are suitable for the most extreme duties in every environment. The look of the planetary models optimises torque overall performance and radial load capability, to be able to give best meshing between pinion and ring gear.
For accurate adjustment, a lot of versions have eccentric installation between the pinion axis and the casing axis. Their wide range 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 turbines and as steering drive on ship propulsion devices, they can be used in all applications where appropriate positioning is called for. These Ever-Power slewing drives are suitable for the most serious duties in every environment. The design of the planetary models optimizes torque efficiency and radial load ability, so that you can give ideal meshing between pinion and band gear. For appropriate adjustment, some variants have eccentric mounting between the pinion axis and the casing axis. Their wide variety of ratios enables selecting electric motor size and type which best fits the customer’s requirements and application.
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 | Heavy Duty Technologies
Ever-Power Gear Systems for Slewing Gears
Technical data
Slewing gear drives are used to position driven equipment. They have been tried and examined in many several applications, such as for example cranes, excavators, and drilling systems. Ever-Power gear devices for slewing gear drives have a modular design. They can be combined with a long or short lantern gear drive on the end result side. The mounted outcome pinions are manufactured in line with the customer’s requirements. On the input side, we offer solutions for both electric motors and high-quickness or low-acceleration hydraulic motors, a few of which already are standardized.
One frequently requested alternate, particularly as a equipment unit for slewing equipment drives in bucket wheel excavators, consists of a Ever-Power planetary gear product with a bevel or bevel helical gear unit on the input aspect. The drive motor and a brake are organized on a bracket on the gear device, so that the system no longer must be aligned on web page. A brake is definitely 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 travel against inadmissibly large 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 improved 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 installation to allow the backlash to be adjusted between your pinion and the band gear
Optimized sealing systems prolong the provider life
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Drilling platforms
Slew Drives, commonly referred to as a Slewing Gear or Slew Bearings, can be a complete, prepared to install system that includes a ball or roller slewing band bearing, drive educate, and completely enclosed casing. 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 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 ability and torque possible. Our Slew Drives will be completely enclosed and sealed housing withstands harsh environments and increases safety.
As a ready-for-installation system module, they replace many individual parts. Slew drives are utilized for aerial platforms, security technology, public transportation, forestry equipment sectors, solar trackers, and many more.
Compact style for space-saving constructions
Optimum load capacity in a concise design
Designed for lengthy service life with zero-maintenance
Basic integration into existing applications
Fast customization thanks to the modular structure
Unique designs deviating from our regular series are realizable
Steering systems for specialized automobiles and cranes (seeing that steering gears for wheelsets)
Manlift platforms for slewing booms and baskets Light-weight cranes
Machine attachments, such as cement demolition pincers, picker hands, and rotary forklifts
Handling products (automation technology)
Loading and unloading devices
Positioning devices/turntables which includes solar trackers
Ever-Power slewing drives are an essential component in keeping pounds and size to the very least on products such as tower cranes, Pitch and Yaw drives for wind energy, aerial platforms and mixers. Their planetary composition means that they can hold up against very high torque ideals while maintaining reduced dimensions, reduced weight and substantial efficiency. The broad range of available ratios permits the selection of a electric motor size and type which best satisfies 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 reliability and versatility make these units well suited 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 along with 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 unit (helical or bevel-helical)
Planetary gear unit with pinion shaft and extended housing at the output
Output pinion
Slewing equipment drives for any power rating and mounting position
For larger devices, 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 provide the right blend of gear products for every requirement:
Our P series professional planetary gear models and the X series professional bevel gear and bevel-helical gear products are sufficient for smaller torques of up to 500 kNm. A combo of XP series industrial planetary gear systems and X series commercial bevel-helical gear models provide larger torques of up to 4,000 kNm.
Slewing gear drives are generally shaft-mounted designs. This means that the apparatus unit is mounted on top and the pinion on underneath. However, our drive answer is also readily available as a bottom-mounting edition or “bottom-up” version – in this case the pinion is positioned on top. The lubrication, oil growth tank and the seals happen to be Planetary Slew Drive adapted to the installation position.
This wide variety of Ever-Power planetary gear units is specifically made for pinion and slewing ring drives. Effectively employed 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 appropriate positioning is called for. These Ever-Vitality slewing drives are suitable for the most serious duties atlanta divorce attorneys environment. The design of the planetary units optimizes torque performance and radial load ability, so as to give ideal 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 best suits the customer?s requirements and program. Ever-Power is pleased with its quality assurance insurance policy, including the Type Approval Certificate from DNV.
Slew drive gear reducers, from 9 kNm to 400 kNm maximum output torque over 10 primary sizes and 3 outcome 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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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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