Planetary Slew Drive

Wheel drive and slewing drive solutions
Boosting cellular Planetary Slew Drive planetary gear unit performance
Mobile planetary gear systems must provide reliable efficiency under extremely harsh circumstances. In wheel drives, this means weighty radial loads, shock loads and tilting actions – all in a limited obtainable space. In slewing machines, coping with the large radial loads transmitted to the slewing equipment is the challenge.
Advanced bearing arrangements from Ever-Power are designed for these conditions and even 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 systems (flanged and geared).
Slewing drives – To get the output 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-Vitality, you can support increased external load, increased torque and more compact 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 pair and 2 nd, 3 rd stage is designed with planetary
Ever-Power industrial, yaw and pitch and cellular slew drives are made to operate seamlessly in applications requiring slew bearings or perhaps racks, perhaps in a large-capacity winch.
Ever-Electrical power slewing drives are an essential component in keeping weight and size to a minimum on equipment 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-Vitality slewing drives are suitable for the most severe duties atlanta divorce attorneys environment. The design of the planetary systems optimises torque efficiency and radial load capability, to be able to give excellent meshing between pinion and ring gear.
For accurate adjustment, some versions have eccentric mounting between the pinion axis and the casing axis. Their wide variety of ratios enables the selection of motor size and type which very best suits the customer’s.
This wide selection of Ever-Power planetary gear units is specifically made for pinion and slewing ring drives. Efficiently employed on tower cranes, shipboard and harbor cranes, wind turbines and as steering drive on ship propulsion devices, they can be utilised in all applications where accurate positioning is called for. These Ever-Vitality slewing drives are ideal for the most severe duties atlanta divorce attorneys environment. The design of the planetary products optimizes torque functionality and radial load ability, so that you can give excellent meshing between pinion and ring gear. For exact adjustment, some editions 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 meets the customer’s requirements and request.
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 Models for Slewing Gears
Technical data
Slewing gear drives are used to position driven devices. They have been tried and tested in many diverse applications, such as for example cranes, excavators, and drilling platforms. Ever-Power gear units for slewing gear drives have a modular design. They may be combined with a long or short lantern equipment drive on the output side. The mounted productivity pinions are manufactured based on the customer’s specs. On the input part, you can expect solutions for both electric motors and high-velocity or low-acceleration hydraulic motors, a few of which are already standardized.
One frequently requested alternate, particularly as a gear unit for slewing equipment drives in bucket wheel excavators, includes a Ever-Power planetary equipment product with a bevel or bevel helical gear unit on the input part. The drive motor and a brake are organized on a bracket on the gear device, so that the system no longer has to be aligned on internet site. A brake is always mounted between the motor and the apparatus unit as a way to resolve the boom in a precise position. An overload security mechanism can also be provided to safeguard the boom and the travel against inadmissibly huge loads.
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Technical data
Planetary gear unit
Nominal output torques from 22,000 to 354,000 Nm (higher 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 elevated overall flexibility and multiple mounting options
No need for on-site alignment because of bracket with motor, equipment unit, brake, and coupling
Customized solutions for certain projects
Option of eccentric unit installation to permit the backlash to always be adjusted between the pinion and the ring gear
Optimized sealing systems prolong the assistance 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 involves a ball or roller slewing band bearing, drive train, and completely enclosed housing. 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 devices that rotate hefty loads and require operation and innovation. Each comes with an unlimited slewing position and range, move effortlessly and jolt-free, no slip-stick effect, and provide the most effective transmission of high vitality and torque possible. Our Slew Drives happen to be entirely enclosed and sealed casing withstands harsh environments and increases safety.
As a ready-for-installation program module, they replace countless individual parts. Slew drives are used for aerial platforms, security technology, public transport, forestry equipment sectors, solar trackers, and much more.
Compact design for space-saving constructions
Optimum load capacity in a concise design
Designed for long service life with low 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 vehicles and cranes (seeing that steering gears pertaining to wheelsets)
Manlift platforms for slewing booms and baskets Light-weight cranes
Equipment attachments, such as cement demolition pincers, picker arms, and rotary forklifts
Handling gadgets (automation technology)
Loading and unloading devices
Positioning devices/turntables including solar trackers
Ever-Vitality slewing drives are an important component in keeping fat and size to the very least on apparatus such as for example tower cranes, Pitch and Yaw drives for wind strength, aerial systems and mixers. Their planetary structure ensures that they can stand up to very high torque ideals while maintaining reduced measurements, reduced weight and great efficiency. The wide selection of available ratios enables selecting a motor size and type which greatest satisfies users requirements: hydraulic or electric power. Bevel input and hydraulic brake happen to be some of the alternatives, which are for sale to this series. Simple mounting, operating stability and adaptability make these units suited to the most serious duties and environments.
Customizable drive solutions, all from one source
Our durable, powerful and flexible industrial gear unit solutions satisfy your desires in every respect – the power rating as well as the installation. We provide all the important pieces of a slewing gear drive under one roofing:
Motor and motor scoop
Brake between your motor and gear product with torque limiter to prevent excessive loads
Protective covers
Primary gear product (helical or bevel-helical)
Planetary gear device with pinion shaft and extended housing at the output
Output pinion
Slewing gear drives for any power ranking and mounting position
For larger devices, the slewing equipment drive can be made up of various gear units that impact on the same girth equipment with external or internal teeth. We give the right combination of gear devices for every requirement:
Our P series industrial planetary gear models and the X series commercial bevel equipment and bevel-helical gear devices are adequate for smaller torques of up to 500 kNm. A combination of XP series industrial planetary gear units and X series professional bevel-helical gear products provide larger torques as high as 4,000 kNm.
Slewing gear drives are usually shaft-mounted designs. This ensures that the apparatus unit is mounted on top and the pinion on the bottom. However, our drive choice is also obtainable as a bottom-mounting release or “bottom-up” version – in this instance the pinion is positioned on top. The lubrication, oil growth tank and the seals are adapted to the mounting position.
This wide variety of Ever-Power planetary gear units is particularly designed for pinion and slewing ring drives. Successfully utilized on tower cranes, shipboard and harbor cranes, wind turbines and as steering drive on ship propulsion devices, they can be utilised in all applications where exact positioning is called for. These Ever-Ability slewing drives are well suited for the most serious duties in every environment. The design of the planetary systems optimizes torque overall performance and radial load capability, as a way to give perfect meshing between pinion and band gear. For exact adjustment, some editions have eccentric installation between your 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 requirements and request. 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 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


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