Planetary Slew Drive

Wheel drive and slewing drive solutions
Boosting cellular planetary gear unit performance
Mobile planetary gear models must provide reliable efficiency under extremely harsh circumstances. In steering wheel drives, this means serious radial loads, shock loads and tilting movements – all in a limited offered space. In slewing devices, coping with the serious radial loads transmitted to the slewing gear is the challenge.
Advanced bearing arrangements from Ever-Power are designed for these conditions and even more. Solutions include:
Wheel drives – Ever-Power provides thin-section tapered roller bearings, thin section angular get in touch with ball bearings, CARB toroidal roller bearings and off-highway hub Planetary Slew Drive systems (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 together with Ever-Electric power, you can accommodate 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-mounted gearbox comprising of three-stage reductions viz. 1 st stage of worm gear set and 2 nd, 3 rd stage is designed with planetary
Ever-Electrical power industrial, yaw and pitch and mobile slew drives are made to work seamlessly in applications requiring slew bearings or perhaps racks, perhaps in a large-capacity winch.
Ever-Ability slewing drives are an essential component in keeping weight and size to the very least on products such as tower cranes, aerial platforms, discharge booms, excavation and development equipment.
Their planetary structure allows them to withstand very high torque values while maintaining decreased dimensions, reduced weight and high efficiency. The Dana Ever-Power slewing drives are suited to the most extreme duties in every environment. The look of the planetary systems optimises torque efficiency and radial load capacity, to be able to give best meshing between pinion and ring gear.
For accurate adjustment, a few versions have eccentric mounting between your pinion axis and the casing axis. Their wide variety of ratios enables selecting engine size and type which very best suits the customer’s.
This broad range of Ever-Power planetary gear units is especially designed for pinion and slewing ring drives. Effectively used 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 exact positioning is necesary. These Ever-Electricity slewing drives are suited to the most severe duties in every environment. The design of the planetary products optimizes torque efficiency and radial load ability, so as to give best meshing between pinion and ring gear. For accurate adjustment, some variations have eccentric installation between the pinion axis and the casing axis. Their wide range of ratios enables selecting engine size and type which ideal 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 Approval Certifications: DNV-GL and ABS
Sectors: Marine Technologies | DURABLE Technologies
Ever-Power Gear Products for Slewing Gears
Technical data
Slewing gear drives are used to put driven equipment. They have already been tried and analyzed in many numerous applications, such as for example cranes, excavators, and drilling systems. Ever-Power gear devices for slewing gear drives possess a modular design. They can be combined with a long or short lantern equipment drive on the result side. The mounted end result pinions are manufactured according to the customer’s specs. On the input area, you can expect solutions for both electrical motors and high-acceleration or low-quickness hydraulic motors, a few of which are already standardized.
One frequently requested substitute, particularly as a gear unit for slewing gear drives in bucket wheel excavators, consists of a Ever-Power planetary gear device with a bevel or perhaps bevel helical gear unit on the input side. The drive engine and a brake will be arranged on a bracket on the gear unit, so that the machine no longer needs to be aligned on internet site. A brake is usually always mounted between the motor and the apparatus unit so that you can correct the boom in a precise position. An overload safeness mechanism can on top of that be provided to safeguard 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 (larger 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 travel lengths acc. to customer’s specification
Modular design creates elevated flexibility and multiple mounting options
No dependence on on-site alignment thanks to bracket with motor, gear unit, brake, and coupling
Customized solutions for certain projects
Option of eccentric assembly to enable the backlash to always be adjusted between your pinion and the ring gear
Optimized sealing systems prolong the support life
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Drilling platforms
Slew Drives, commonly known as a Slewing Equipment or Slew Bearings, is definitely a complete, prepared to install system that includes a ball or roller slewing ring bearing, drive coach, and completely enclosed casing. It can be custom-made with hydraulic or electrical motors, brakes, planetary gearboxes, corrosion protection, and many other options.
Ever-Power decrease costs by replacing intricate in-house systems in equipment that rotate serious loads and require functionality and innovation. Each has an unlimited slewing position and range, move effortlessly and jolt-free, no slip-stick effect, and provide the most efficient transmission of high electric power and torque conceivable. Our Slew Drives are completely enclosed and sealed housing withstands harsh environments and increases safety.
As a ready-for-installation program module, they replace many individual parts. Slew drives are utilized for aerial platforms, protection technology, public transport, forestry machine sectors, solar trackers, and much more.
Compact style for space-saving constructions
Maximum load capacity in a compact design
Designed for lengthy service life with low maintenance
Simple integration into existing applications
Fast customization thanks to the modular structure
Distinctive designs deviating from our typical series are realizable
Steering systems for specialized automobiles and cranes (when steering gears meant for wheelsets)
Manlift platforms for slewing booms and baskets Light-weight cranes
Machine attachments, such as concrete demolition pincers, picker hands, and rotary forklifts
Handling units (automation technology)
Loading and unloading devices
Positioning devices/turntables which include solar trackers
Ever-Electric power slewing drives are an essential component in keeping weight and size to the very least on equipment such as tower cranes, Pitch and Yaw drives for wind energy, aerial platforms and mixers. Their planetary structure implies that they can hold up against very high torque ideals while maintaining reduced dimensions, reduced weight and substantial efficiency. The wide selection of available ratios enables selecting a motor size and type which ideal suits users requirements: hydraulic or electric powered. Bevel input and hydraulic brake are some of the options, which are available for this series. Simple mounting, operating dependability and versatility make these units ideal for the most serious duties and environments.
Customizable drive solutions, most from one source
Our durable, powerful and flexible professional gear unit solutions meet your requirements in every respect – the energy rating and also the installation. We offer all the important components of a slewing gear drive under one roofing:
Motor and motor scoop
Brake between your motor and gear unit with torque limiter to prevent excessive loads
Protective covers
Primary gear product (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 machines, the slewing gear drive can be comprised of various gear units that impact on the same girth equipment with internal or external teeth. We provide the right mixture of gear models for every requirement:
Our P series industrial planetary gear units and the X series commercial bevel gear and bevel-helical gear products are enough for smaller torques of up to 500 kNm. A combination of XP series commercial planetary gear models and X series industrial bevel-helical gear devices 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 at the top and the pinion on underneath. However, our drive solution is also offered 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 selection of Ever-Power planetary gear units is particularly suitable for pinion and slewing ring drives. Effectively utilized 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 necesary. These Ever-Power slewing drives are ideal for the most severe duties atlanta divorce attorneys environment. The look of the planetary products optimizes torque functionality and radial load capacity, to be able to give perfect meshing between pinion and band gear. For exact adjustment, some types have eccentric installation between your pinion axis and the casing axis. Their wide variety of ratios enables the selection of engine size and type which very best suits the customer?s requirements and application. Ever-Power is pleased with its quality assurance coverage, including the Type Authorization 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 front flanged
Modular design, with multi-optional executions


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