Planetary Slew Drive

Wheel drive and slewing drive solutions
Boosting mobile planetary gear unit performance
Mobile planetary gear units must provide reliable efficiency under extremely harsh conditions. In steering wheel drives, this means hefty radial loads, shock loads and tilting moves – all in a restricted readily available space. In slewing machines, coping with the large 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 provides thin-section tapered roller bearings, thin section angular contact ball bearings, CARB toroidal roller bearings and off-highway hub products (flanged and geared).
Slewing drives – Designed for the outcome 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 can help you meet them. Working together with Ever-Electricity, you can support increased external load, improved torque and smaller sized and lighter plans.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 set and 2 nd, 3 rd stage was created with planetary
Ever-Electric power industrial, yaw and pitch and mobile slew drives are made to job seamlessly in applications requiring slew bearings or perhaps racks, perhaps in a large-capacity winch.
Ever-Electric power slewing drives are an important component in keeping excess weight and size to a minimum on devices such as for example tower cranes, aerial platforms, discharge booms, excavation and engineering equipment.
Their planetary structure allows them to withstand high torque values while maintaining decreased dimensions, lowered weight and high efficiency. The Dana Ever-Vitality slewing drives are suited to the most serious duties in every environment. The design of the planetary products optimises torque performance and radial load capability, so as to give perfect meshing between pinion and band gear.
For accurate adjustment, a few versions have eccentric mounting between your pinion axis and the casing axis. Their wide selection 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 specifically made for pinion and slewing ring drives. Successfully employed on tower cranes, shipboard and harbor cranes, wind generators and as steering drive on ship propulsion systems, they works extremely well in all applications where accurate positioning is called for. These Ever-Electricity slewing drives are ideal for the most severe duties in every environment. The look of the planetary units optimizes torque efficiency and radial load capability, in order to give best meshing between pinion and band gear. For appropriate adjustment, some variants have eccentric installation between your pinion axis and the casing axis. Their wide selection of ratios enables selecting motor size and type which finest matches 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 Acceptance Certifications: DNV-GL and ABS
Sectors: Marine Technologies | DURABLE Technologies
Ever-Power Gear Models for Slewing Gears
Description
Technical data
Advantages
Applications
Description
Slewing equipment drives are used to position driven machines. They have already been tried and analyzed in many diverse applications, such as for example cranes, excavators, and drilling systems. Ever-Power gear units for slewing gear drives possess a modular design. They are often combined with an extended or short lantern gear drive on the productivity side. The mounted result pinions are manufactured based on the customer’s features. On the input aspect, you can expect solutions for both electrical motors and high-swiftness or low-velocity hydraulic motors, a few of which already are standardized.
One frequently requested choice, particularly as a gear unit for slewing gear drives in bucket wheel excavators, contains a Ever-Power planetary equipment device with a bevel or bevel helical gear unit on the input part. The drive electric motor and a brake are arranged on a bracket on the gear device, so that the machine no longer should be aligned on site. A brake is definitely always mounted between your motor and the gear unit so as to resolve the boom in a defined position. An overload safety mechanism can additionally be provided to protect the boom and the drive against inadmissibly large loads.
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Technical data
Planetary gear unit
Nominal output torques from 22,000 to 354,000 Nm (bigger torques 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 elevated flexibility and multiple mounting options
No need for on-site alignment thanks to bracket with motor, gear unit, brake, and coupling
Customized solutions for particular projects
Option of eccentric assembly to permit the backlash to become adjusted between the pinion and the ring gear
Optimized sealing systems prolong the assistance life
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Applications
Cranes
Excavators
Drilling platforms
Slew Drives, commonly referred to as a Slewing Gear or Slew Bearings, is definitely a complete, ready to install system that includes a ball or roller slewing band bearing, drive coach, and completely enclosed housing. It can be personalized with hydraulic or electrical motors, brakes, planetary gearboxes, corrosion protection, and also many other options.
Ever-Power reduce costs by replacing complex in-house systems in equipment that rotate heavy loads and require efficiency and innovation. Each has an unlimited slewing angle and range, move smoothly and jolt-free, no slip-stick effect, and provide the most effective transmission of high electrical power and torque likely. Our Slew Drives will be completely enclosed and sealed casing withstands harsh environments and increases safety.
As a ready-for-installation system module, they Planetary Slew Drives replace many individual parts. Slew drives are used for aerial platforms, security technology, public transportation, forestry machine sectors, solar trackers, and much more.
SLEW DRIVE FEATURES
Compact style for space-saving constructions
Maximum load capacity in a compact design
Designed for longer service life with zero-maintenance
Straightforward integration into existing applications
Fast customization thanks to the modular structure
Unique designs deviating from our regular series are realizable
Steering systems for specialized vehicles and cranes (as steering gears intended for wheelsets)
Manlift platforms for slewing booms and baskets Light and portable cranes
Machine attachments, such as concrete demolition pincers, picker arms, and rotary forklifts
Handling products (automation technology)
Loading and unloading devices
Positioning devices/turntables including solar trackers
Ever-Power slewing drives are an important component in keeping weight and size to the very least on devices such as tower cranes, Pitch and Yaw drives for wind energy, aerial systems and mixers. Their planetary framework means that they can tolerate very high torque ideals while maintaining reduced dimensions, reduced weight and large efficiency. The wide range of available ratios enables selecting a electric motor size and type which best meets users requirements: hydraulic or electronic. Bevel suggestions and hydraulic brake happen to be some of the choices, which are for sale to this series. Basic mounting, operating reliability and versatility make these units suited to the most serious duties and environments.
Customizable drive solutions, every from one source
Our durable, powerful and flexible commercial gear unit solutions satisfy your desires in all respects – the energy rating as well as the installation. We provide all the important parts of a slewing equipment drive under one roofing:
Motor and motor scoop
Brake between the motor and gear device with torque limiter to prevent excessive loads
Protective covers
Primary gear product (helical or bevel-helical)
Planetary gear product with pinion shaft and prolonged housing at the output
Output pinion
Slewing equipment drives for any power rating and mounting position
For larger machines, the slewing equipment drive can be made up of various equipment units that effect on the same girth equipment with internal or external teeth. We provide the right mixture of gear systems for every requirement:
Our P series commercial planetary gear units and the X series commercial bevel equipment and bevel-helical gear products are sufficient for smaller torques as high as 500 kNm. A mixture of XP series industrial planetary gear products and X series professional bevel-helical gear devices provide larger torques as high as 4,000 kNm.
Slewing equipment drives are usually shaft-mounted designs. This signifies that the apparatus unit is mounted at the top and the pinion on underneath. However, our drive remedy is also available as a bottom-mounting type or “bottom-up” version – in this case the pinion is positioned at the top. The lubrication, oil expansion container and the seals are adapted to the mounting position.
This broad range of Ever-Power planetary gear units is particularly made for pinion and slewing ring drives. Effectively utilized on tower cranes, shipboard and harbor cranes, wind turbines and as steering drive on ship propulsion devices, they can be used in all applications where accurate positioning is called for. These Ever-Electric power slewing drives are suited to the most severe duties in every environment. The design of the planetary devices optimizes torque efficiency and radial load capacity, to be able to give best meshing between pinion and ring gear. For correct adjustment, some variations have eccentric mounting between your pinion axis and the casing axis. Their broad range of ratios enables selecting electric motor size and type which very best suits the client?s requirements and program. Ever-Power is pleased with its quality assurance plan, including the Type Authorization Certificate from DNV.
Features
Slew drive gear 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 the front flanged
Modular design, with multi-optional executions