Planetary Slew Drive

Wheel travel and slewing drive solutions
Boosting cellular planetary gear unit performance
Mobile planetary gear systems must provide reliable overall performance under extremely harsh conditions. In steering wheel drives, this means serious radial loads, shock loads and tilting activities – all in a limited readily available space. In slewing devices, coping with the serious radial loads transmitted to the slewing gear is the challenge.
Advanced bearing plans from Ever-Power are designed for these conditions and more. Solutions include:
Wheel drives – Ever-Power presents thin-section tapered roller bearings, thin section angular get in touch with ball bearings, CARB toroidal roller bearings and off-highway hub devices (flanged and geared).
Slewing drives – To get the result 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-Ability, you can accommodate increased external load, increased 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 stage of worm gear match and 2 nd, 3 rd stage is designed with planetary
Ever-Vitality industrial, yaw and pitch and portable slew drives are made to function seamlessly in applications requiring slew bearings or perhaps racks, perhaps in a large-capacity winch.
Ever-Electricity slewing drives are an essential component in keeping pounds and size to the very least on products such as tower cranes, aerial platforms, discharge booms, excavation and engineering equipment.
Their planetary structure allows them to withstand very high torque Planetary Slew Drive values while maintaining lowered dimensions, reduced weight and high efficiency. The Dana Ever-Electric power slewing drives are suitable for the most serious duties in every environment. The design of the planetary products optimises torque efficiency and radial load capability, to be able to give best meshing between pinion and band gear.
For accurate adjustment, some versions have eccentric mounting between your pinion axis and the casing axis. Their wide range of ratios enables selecting motor size and type which greatest suits the customer’s.
This wide selection of Ever-Power planetary gear units is especially suitable for pinion and slewing ring drives. Successfully used on tower cranes, shipboard and harbor cranes, wind generators and as steering travel on ship propulsion systems, they can be utilized in every applications where accurate positioning is called for. These Ever-Vitality slewing drives are suited to the most extreme duties atlanta divorce attorneys environment. The look of the planetary products optimizes torque efficiency and radial load capability, so as to give perfect meshing between pinion and ring gear. For correct adjustment, some editions have eccentric installation between your pinion axis and the casing axis. Their wide selection of ratios enables the selection of engine size and type which greatest satisfies the customer’s requirements and program.
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 equipment drives are used to position driven devices. They have already been tried and examined in many diverse applications, such as for example cranes, excavators, and drilling platforms. Ever-Power gear models for slewing equipment drives have a modular design. They might be combined with a long or short lantern equipment drive on the output side. The mounted end result pinions are manufactured in line with the customer’s technical specs. On the input area, you can expect solutions for both electric motors and high-swiftness or low-velocity hydraulic motors, some of which are already standardized.
One frequently requested option, particularly as a equipment unit for slewing equipment drives in bucket wheel excavators, includes a Ever-Power planetary gear unit with a bevel or perhaps bevel helical gear device on the input side. The drive motor and a brake happen to be arranged on a bracket on the gear device, so that the system no longer should be aligned on site. A brake is always mounted between the motor and the gear unit so as to resolve the boom in a precise position. An overload protection mechanism can also be provided to safeguard the boom and the travel against inadmissibly high 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 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, equipment unit, brake, and coupling
Customized solutions for certain projects
Option of eccentric installation to enable the backlash to always be adjusted between the pinion and the band gear
Optimized sealing systems prolong the assistance life
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Drilling platforms
Slew Drives, commonly referred to as a Slewing Equipment or Slew Bearings, is a complete, ready to install system that consists of a ball or roller slewing band bearing, drive coach, and completely enclosed housing. 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 sophisticated in-house systems in devices that rotate heavy loads and require features and innovation. Each has an unlimited slewing angle and range, move easily and jolt-totally free, no slip-stick effect, and provide the most efficient transmission of high electric power and torque likely. Our Slew Drives happen to be totally enclosed and sealed housing withstands harsh environments and increases safety.
As a ready-for-installation system module, they replace countless individual parts. Slew drives are used for aerial platforms, security technology, public transport, forestry machine sectors, solar trackers, and many more.
Compact design for space-saving constructions
Maximum load capacity in a compact design
Designed for prolonged service life with low maintenance
Simple integration into existing applications
Fast customization thanks to the modular structure
Specialized designs deviating from our typical series are realizable
Steering systems for specialized vehicles and cranes (as steering gears designed for wheelsets)
Manlift platforms for slewing booms and baskets Lightweight cranes
Equipment attachments, such as cement demolition pincers, picker arms, and rotary forklifts
Handling units (automation technology)
Loading and unloading devices
Positioning devices/turntables which includes solar trackers
Ever-Electrical power slewing drives are an essential component in keeping excess weight and size to a minimum on equipment such as tower cranes, Pitch and Yaw drives for wind strength, aerial systems and mixers. Their planetary framework ensures that they can resist very high torque values while maintaining reduced measurements, reduced weight and substantial efficiency. The broad range of available ratios enables the selection of a motor size and type which best satisfies users requirements: hydraulic or electrical. Bevel insight and hydraulic brake happen to be some of the choices, which are for sale to this series. Straightforward mounting, operating dependability and adaptability make these units suitable for the most severe duties and environments.
Customizable drive solutions, most from one source
Our durable, powerful and flexible professional gear unit solutions satisfy your desires in every respect – the energy rating and also the installation. We offer all the important parts 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 device (helical or bevel-helical)
Planetary gear device with pinion shaft and prolonged housing at the output
Output pinion
Slewing gear drives for any power rating and mounting position
For larger machines, the slewing equipment drive can be comprised of various gear units that impact on the same girth gear with internal or external teeth. We offer the right combo of gear models for every requirement:
Our P series professional planetary gear products and the X series commercial bevel gear and bevel-helical gear products are enough for smaller torques of up to 500 kNm. A blend of XP series professional planetary gear devices and X series commercial bevel-helical gear models provide larger torques as high as 4,000 kNm.
Slewing gear drives are usually shaft-mounted designs. This means that the gear unit is mounted on top and the pinion on the bottom. However, our drive solution is also available as a bottom-mounting variant or “bottom-up” version – in this instance the pinion is positioned on top. The lubrication, oil growth container and the seals are adapted to the mounting position.
This broad range of Ever-Power planetary gear units is specifically suitable for pinion and slewing ring drives. Successfully employed on tower cranes, shipboard and harbor cranes, wind turbines and as steering travel on ship propulsion devices, they can be used in all applications where correct positioning is necesary. These Ever-Power slewing drives are ideal for the most extreme duties in every environment. The design of the planetary systems optimizes torque efficiency and radial load ability, as a way to give best meshing between pinion and band gear. For exact adjustment, some variations have eccentric installation between the pinion axis and the casing axis. Their wide variety of ratios enables the selection of engine size and type which ideal suits the client?s requirements and app. Ever-Power is proud of its quality assurance plan, 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 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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