Planetary Slew Drive

Wheel travel and slewing drive solutions
Boosting mobile planetary gear unit performance
Mobile planetary gear systems must provide reliable performance under extremely harsh conditions. In wheel drives, this means large radial loads, shock loads and tilting moves – all in a restricted available space. In slewing machines, coping with the weighty radial loads transmitted to the slewing equipment is the challenge.
Advanced bearing plans from Ever-Power can handle 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 models (flanged and geared).
Slewing drives – Pertaining to the result pinion in slewing drives, Ever-Power presents Explorer tapered roller bearings, spherical roller bearings and cylindrical roller bearings.
Whatever your drive type and functioning challenges, Ever-Power will help you meet them. Working with Ever-Vitality, you can support increased external load, elevated torque and smaller sized and lighter arrangements.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 was created with planetary
Ever-Vitality industrial, yaw and pitch and portable slew drives are designed to operate seamlessly in applications requiring slew bearings or racks, perhaps in a large-capacity winch.
Ever-Electrical power slewing drives are an important component in keeping fat and size to a minimum on apparatus such as for example tower cranes, aerial platforms, discharge booms, excavation and building equipment.
Their planetary structure allows them to withstand high torque values while maintaining lowered dimensions, lowered weight and high efficiency. The Dana Ever-Ability slewing drives are suitable for the most serious duties atlanta divorce attorneys environment. The design of the planetary devices optimises torque performance and radial load ability, so that you can give perfect meshing between pinion and band 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 motor size and type which greatest suits the customer’s.
This wide selection of Ever-Power planetary gear units is particularly made for pinion and slewing ring drives. Efficiently employed on tower cranes, shipboard and harbor cranes, wind generators and as steering drive on ship propulsion devices, they can be used in every applications where correct positioning is necesary. These Ever-Electrical power slewing drives are ideal for the most extreme duties atlanta divorce attorneys environment. The look of the planetary models optimizes torque performance and radial load capacity, in order to give perfect meshing between pinion and band gear. For appropriate adjustment, some variants have eccentric installation between the pinion axis and the casing axis. Their broad range of ratios enables the selection of motor size and type which greatest suits the customer’s requirements and program.
Technical Data
Maximum Torque 6,000 … 200,000 Nm
Planetary Slew Drive transmission 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 Models for Slewing Gears
Description
Technical data
Advantages
Applications
Description
Slewing gear drives are used to position driven machines. They have been tried and examined in many several applications, such as cranes, excavators, and drilling platforms. Ever-Power gear systems for slewing equipment drives have a modular design. They might be combined with an extended or short lantern gear drive on the productivity side. The mounted output pinions are manufactured in line with the customer’s features. On the input part, we offer solutions for both electric motors and high-speed or low-rate hydraulic motors, some of which already are standardized.
One frequently requested option, particularly as a equipment unit for slewing equipment drives in bucket wheel excavators, involves a Ever-Power planetary equipment unit with a bevel or bevel helical gear product on the input area. The drive electric motor and a brake are arranged on a bracket on the apparatus product, so that the system no longer has to be aligned on site. A brake is normally always mounted between your motor and the gear unit so as to resolve the boom in a defined position. An overload basic safety 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 available on request)
Transmission ratios from 25 to 4,000
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Advantages
Compact, space-saving design
Low weight
Low noise level
Variable lantern gear travel lengths acc. to customer’s specification
Modular design creates improved overall flexibility and multiple mounting options
No need for on-site alignment thanks to bracket with motor, equipment unit, brake, and coupling
Customized solutions for particular projects
Option of eccentric set up to permit the backlash to become adjusted between the pinion and the band gear
Optimized sealing systems prolong the provider life
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Applications
Cranes
Excavators
Drilling platforms
Slew Drives, commonly known as a Slewing Gear or Slew Bearings, is a complete, prepared to install system that involves a ball or roller slewing band bearing, drive educate, and completely enclosed housing. It can be personalized with hydraulic or electric motors, brakes, planetary gearboxes, corrosion protection, and also many other options.
Ever-Power lower costs by replacing complicated in-house systems in devices that rotate large loads and require operation and innovation. Each comes with an unlimited slewing angle and range, move easily and jolt-free, no slip-stick result, and provide the most effective transmission of high power and torque feasible. Our Slew Drives will be entirely enclosed and sealed casing withstands harsh conditions 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 equipment sectors, solar trackers, and many more.
SLEW DRIVE FEATURES
Compact design for space-saving constructions
Maximum load capacity in a concise design
Designed for longer service life with zero-maintenance
Straightforward integration into existing applications
Fast customization because of the modular structure
Unique designs deviating from our common series are realizable
Steering devices for specialized vehicles and cranes (since steering gears to get wheelsets)
Manlift systems for slewing booms and baskets Light in 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-Power slewing drives are an important component in keeping pounds and size to a minimum on tools 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 values while maintaining reduced measurements, reduced weight and high efficiency. The wide variety of available ratios permits the selection of a electric motor size and type which greatest meets users requirements: hydraulic or electric. Bevel type and hydraulic brake happen to be some of the alternatives, which are available for this series. Straightforward mounting, operating reliability and adaptability make these units suitable for the most severe duties and environments.
Customizable drive solutions, all from one source
Our durable, powerful and flexible commercial gear unit solutions satisfy your desires in all respects – the power rating as well as the installation. We provide all the important pieces of a slewing equipment drive under one roof:
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 equipment drives for just about any power score and mounting position
For larger equipment, the slewing equipment drive can be made up of various equipment units that effect on the same girth gear with external or internal teeth. We give the right combination of gear systems for every requirement:
Our P series professional planetary gear products and the X series industrial bevel equipment and bevel-helical gear models are sufficient for smaller torques as high as 500 kNm. A combo of XP series industrial planetary gear systems and X series professional bevel-helical gear units provide larger torques of up to 4,000 kNm.
Slewing equipment 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 option is also available as a bottom-mounting type or “bottom-up” version – in this case the pinion is put at the top. The lubrication, oil expansion container and the seals happen to be adapted to the installation position.
This wide range of Ever-Power planetary gear units is specifically made for pinion and slewing ring drives. Successfully used 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 correct positioning is called for. These Ever-Electricity slewing drives are suitable for the most extreme duties in every environment. The look of the planetary models optimizes torque overall performance and radial load ability, so that you can give best meshing between pinion and ring gear. For accurate adjustment, some versions have eccentric mounting between the pinion axis and the casing axis. Their broad range of ratios enables selecting electric motor size and type which finest suits the customer?s requirements and app. Ever-Power is proud of its quality assurance policy, including the Type Approval Certificate from DNV.
Features
Slew drive gear reducers, from 9 kNm to 400 kNm optimum output torque over 10 primary sizes and 3 output reinforced support configurations:
– R: dual pilot flanged
– S: dual pilot compact
– H: single pilot entrance flanged
Modular design, with multi-optional executions