Planetary Slew Drive

Wheel travel and slewing drive solutions
Boosting mobile planetary gear unit performance
Mobile planetary gear models must provide reliable functionality under extremely harsh conditions. In steering wheel drives, this means hefty radial loads, shock loads and tilting movements – all in a limited obtainable space. In slewing machines, coping with the hefty radial loads transmitted to the slewing equipment is the challenge.
Advanced bearing plans from Planetary Slew Drive Ever-Power are designed for these conditions and more. Solutions include:
Wheel drives – Ever-Power presents 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 – Intended for the output pinion in slewing drives, Ever-Power gives Explorer tapered roller bearings, spherical roller bearings and cylindrical roller bearings.
Whatever your drive type and operating challenges, Ever-Power will help you meet them. Working together with Ever-Electrical power, you can support increased external load, elevated 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 match and 2 nd, 3 rd stage was created with planetary
Ever-Electric power industrial, yaw and pitch and mobile phone slew drives are designed to job seamlessly in applications requiring slew bearings or perhaps racks, perhaps in a large-capacity winch.
Ever-Ability slewing drives are an important component in keeping weight and size to a minimum on gear such as tower cranes, aerial platforms, discharge booms, excavation and engineering equipment.
Their planetary structure allows them to withstand high torque values while maintaining reduced dimensions, lowered weight and high efficiency. The Dana Ever-Vitality slewing drives are well suited for the most severe duties in every environment. The design of the planetary units optimises torque functionality and radial load potential, so that you can give best meshing between pinion and ring gear.
For accurate adjustment, some versions have eccentric installation between the pinion axis and the casing axis. Their wide range of ratios enables the selection of engine size and type which best suits the customer’s.
This wide variety of Ever-Power planetary gear units is especially suitable for pinion and slewing ring drives. Effectively used on tower cranes, shipboard and harbor cranes, wind turbines and as steering drive on ship propulsion devices, they can be utilized in every applications where accurate positioning is necesary. These Ever-Power slewing drives are ideal for the most severe duties atlanta divorce attorneys environment. The design of the planetary products optimizes torque overall performance and radial load ability, as a way to give best meshing between pinion and band gear. For accurate adjustment, some types have eccentric installation between your pinion axis and the casing axis. Their broad range of ratios enables the selection of motor size and type which ideal accommodates the customer’s requirements and software.
Technical Data
Maximum Torque 6,000 … 200,000 Nm
Tranny Ratio up to 3,282 iN
Certifications: Certification ISO 9001 Type Acceptance 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 devices. They have been tried and examined in many different applications, such as cranes, excavators, and drilling platforms. Ever-Power gear products for slewing gear drives have a modular design. They may be combined with a long or short lantern gear drive on the result side. The mounted outcome pinions are manufactured according to the customer’s features. On the input area, we offer solutions for both electric motors and high-acceleration or low-rate hydraulic motors, some of which already are standardized.
One frequently requested choice, particularly as a gear unit for slewing gear drives in bucket wheel excavators, consists of a Ever-Power planetary gear product with a bevel or perhaps bevel helical gear unit on the input aspect. The drive motor and a brake will be arranged on a bracket on the gear device, so that the system no longer must be aligned on site. A brake can be always mounted between your motor and the apparatus unit as a way to correct the boom in a defined position. An overload safeness mechanism can additionally be provided to protect the boom and the drive 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 travel lengths acc. to customer’s specification
Modular design creates increased overall flexibility and multiple mounting options
No dependence on on-site alignment thanks to bracket with motor, gear unit, brake, and coupling
Customized solutions for specific projects
Option of eccentric assembly to allow the backlash to end up being adjusted between your pinion and the band gear
Optimized sealing systems prolong the services life
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Drilling platforms
Slew Drives, commonly referred to as a Slewing Gear or Slew Bearings, can be a complete, ready to install system that contains a ball or roller slewing band bearing, drive educate, and completely enclosed casing. It can be customized with hydraulic or electrical motors, brakes, planetary gearboxes, corrosion protection, and also many other options.
Ever-Power lower costs by replacing sophisticated in-house systems in devices that rotate major loads and require operation and innovation. Each comes with an unlimited slewing position and range, move smoothly and jolt-totally free, no slip-stick result, and provide the most efficient transmission of high electrical power and torque conceivable. Our Slew Drives are completely 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 utilized for aerial platforms, security technology, public transport, forestry equipment sectors, solar trackers, and much more.
Compact style for space-saving constructions
Optimum load capacity in a compact design
Designed for longer service life with low maintenance
Simple integration into existing applications
Fast customization thanks to the modular structure
Particular designs deviating from our common series are realizable
Steering devices for specialized vehicles and cranes (because steering gears to get wheelsets)
Manlift systems for slewing booms and baskets Light and portable cranes
Machine attachments, such as concrete demolition pincers, picker hands, and rotary forklifts
Handling devices (automation technology)
Loading and unloading devices
Positioning devices/turntables which includes solar trackers
Ever-Electric power slewing drives are an essential component in keeping fat and size to the very least on apparatus such as for example tower cranes, Pitch and Yaw drives for wind energy, aerial systems and mixers. Their planetary framework signifies that they can tolerate very high torque ideals while maintaining reduced sizes, reduced weight and huge efficiency. The broad range of available ratios enables selecting a engine size and type which ideal matches users requirements: hydraulic or electric. Bevel source and hydraulic brake happen to be some of the options, which are for sale to this series. Straightforward mounting, operating reliability and flexibility make these units well suited for the most severe duties and environments.
Customizable drive solutions, every from one source
Our durable, powerful and flexible commercial gear unit solutions meet your requirements in every respect – the power rating as well as the installation. We offer all the important pieces of a slewing equipment 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 product (helical or bevel-helical)
Planetary gear unit with pinion shaft and extended housing at the output
Output pinion
Slewing equipment drives for any power ranking and mounting position
For larger devices, the slewing gear drive can be made up of various equipment units that impact on the same girth equipment with internal or external teeth. We offer the right combo of gear systems for every requirement:
Our P series commercial planetary gear devices and the X series industrial bevel gear and bevel-helical gear devices are enough for smaller torques as high as 500 kNm. A combination of XP series industrial planetary gear models and X series industrial bevel-helical gear models provide larger torques as high as 4,000 kNm.
Slewing equipment drives are generally shaft-mounted designs. This ensures that the apparatus unit is mounted at the top and the pinion on the bottom. However, our drive answer is also obtainable as a bottom-mounting edition or “bottom-up” version – in this instance the pinion is put at the top. The lubrication, oil growth tank and the seals are adapted to the installation position.
This wide range of Ever-Power planetary gear units is specifically created for pinion and slewing ring drives. Effectively employed on tower cranes, shipboard and harbor cranes, wind generators and as steering travel on ship propulsion devices, they can be utilized in every applications where appropriate positioning is called for. These Ever-Ability slewing drives are ideal for the most extreme duties in every environment. The look of the planetary units optimizes torque overall performance and radial load capacity, so as to give perfect meshing between pinion and band gear. For correct adjustment, some types have eccentric installation between your pinion axis and the casing axis. Their broad range of ratios enables the selection of engine size and type which finest suits the client?s requirements and request. Ever-Power is proud of its quality assurance policy, including the Type Acceptance Certificate from DNV.
Slew drive equipment reducers, from 9 kNm to 400 kNm maximum output torque over 10 primary sizes and 3 end result reinforced support configurations:
– R: dual pilot flanged
– S: dual pilot compact
– H: single pilot the front flanged
Modular design, with multi-optional executions


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