Planetary Drive

In a planetary gearbox, many teeth are involved at once, that allows high speed reduction to be performed with relatively small gears and lower inertia reflected back to the electric motor. Having multiple teeth reveal the load also enables planetary gears to transmit high degrees of torque. The mixture of compact size, large speed decrease and high torque transmitting makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes do have some disadvantages. Their complexity in style and manufacturing can make them a more expensive answer than other gearbox types. And precision manufacturing is really important for these gearboxes. If one planetary gear is positioned closer to the sun gear than the others, imbalances in the planetary gears may appear, resulting in premature wear and failure. Also, the compact footprint of planetary gears makes high temperature dissipation more difficult, so applications that run at high speed or experience continuous operation may require cooling.
When using a “standard” (i.e. inline) planetary gearbox, the motor and the driven equipment must be inline with one another, although manufacturers provide right-angle designs that incorporate other gear sets (frequently bevel gears with helical the teeth) to supply an offset between the input and output.
Input power (max)27 kW (36 hp)
Input speed (max)2800 rpm2
Output torque (intermittent)12,880 Nm(9,500 lb-ft)
Output torque (continuous)8,135 Nm (6,000 lb-ft)
1 Actual ratio is dependent on the drive configuration.
2 Max input speed related to ratio and max output speed
3 Max radial load positioned at optimum load position
4 Weight varies with configuration and ratio selected
5 Requires tapered roller planet bearings (unavailable with all ratios)
Approximate dry weight100 -181 kg (220 – 400 lb)4
Radial load (max)14,287kg (31,500 lb)3
Drive typeSpeed reducer
Hydraulic electric motor input SAE C or D hydraulic
PG planetary gear devices are divided into 21 basic groups depending on the various torques that are to be transmitted to the output shaft, which can vary from 0,05 to 1 1.280 kNm. In fact, the product modular construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of insight shafts to the planetary models, and also providing for a broad choice of coupling flanges for hydraulic or electrical motors. Another advantage offered by the modular structure technique of the planetary gear units may be the possibility to mount a series of stages of different sizes in order to obtain a vast range of reduction ratios. The merchandise range provides reduction ratios from 3:1 to 7:1 on a single stage device up to 10.000:1 and more on a 5 stage device. The wide range of output shafts and flanges simplifies the reduction unit mounting procedure on commercial machinery or plants.
Features:
– Planetary Gearbox
– Inline & Bevel stages
– Torque range: from 0,05 to at least one 1.280 kNm
– Coupling flanges for hydraulic or electric motors
New hydraulic motors have a higher-rated operating pressure and includes a larger and stronger motor-shaft seal.
New integral motor and planetary gearbox housing brings the planetary equipment set nearer to the motor, raising efficiency and decreasing stress.
Gearbox has an updated input shaft with a more sturdy design.
Maximum torque rating for PA30B increased from 4,166 to 4,500 ft.-lb. and improved gear reduction. The number of planet gears in the PA30B gearbox improved from three to five.
PA40 bit sizes include 4-36-in. HD, 9-24-in. HD difficult ground, 18-36 in, tree and shrub, and 9- or 12-in. rock to match the application.
In an epicyclic or planetary gear train, several spur gears distributed evenly around the circumference run between a gear with internal teeth and a gear with external teeth on a concentric orbit. The circulation of the spur equipment takes place in analogy to the orbiting of the planets in the solar program. This is one way planetary gears acquired their name.
The components of a planetary gear train could be divided into four main constituents.
The housing with integrated internal teeth is known as a ring gear. In the majority of cases the casing is fixed. The driving sun pinion is usually in the center of the ring gear, and is coaxially organized with regards to the output. The sun pinion is usually mounted on a clamping system to be able to offer the mechanical link with the engine shaft. During procedure, the planetary gears, which are mounted on a planetary carrier, roll between the sun pinion and the band gear. The planetary carrier also represents the result shaft of the gearbox.
The sole reason for the planetary gears is to transfer the mandatory torque. The amount of teeth does not have any effect on the transmission ratio of the gearbox. The number of planets can also vary. As the amount of planetary gears improves, the distribution of the load increases and therefore the torque that can be transmitted. Raising the amount of tooth engagements also decreases the rolling power. Since just part of the total output has to be transmitted as rolling power, a planetary equipment is incredibly efficient. The benefit of a planetary equipment compared to an individual spur gear lies in this load distribution. It is therefore possible to transmit high torques wit
h high efficiency with a concise design using planetary gears.
Provided that the ring gear has a continuous size, different ratios could be realized by different the amount of teeth of the sun gear and the number of the teeth of the planetary gears. Small the sun gear, the higher the ratio. Technically, a meaningful ratio range for a planetary stage can be approx. 3:1 to 10:1, because the planetary gears and sunlight gear are extremely little above and below these ratios. Higher ratios can be acquired by connecting a number of planetary phases in series in the same ring gear. In this instance, we speak of multi-stage gearboxes.
With planetary gearboxes the speeds and torques can be overlaid by having a band gear that is not set but is driven in any direction of rotation. It is also possible to repair the drive shaft to be able to grab the torque via the ring equipment. Planetary gearboxes have grown to be extremely important in many regions of mechanical engineering.
They have become particularly well established in areas where high output levels and fast speeds must be transmitted with favorable mass inertia ratio adaptation. High tranny ratios can also easily be performed with planetary gearboxes. Because of their positive properties and compact design, the gearboxes have many potential uses in commercial applications.
The advantages of planetary gearboxes:
Coaxial arrangement of input shaft and output shaft
Load distribution to several planetary gears
High efficiency due to low rolling power
Nearly unlimited transmission ratio options due to combination of several planet stages
Suitable as planetary switching gear due to fixing this or that area of the gearbox
Chance for use as overriding gearbox
Favorable volume output
Suitability for a wide selection of applications1
Hot Tags: planetary equipment drive, China, suppliers, producers, factory, wholesale, buy, manufactured in China
Description
Planetary Gear Drive
Drive type: speed reducer
Result torque: 33,895 Nm (25,000 lb-ft)
Max input speed: 2800 rpm
Features
Selection of input options
Straight in for an upon centerline adaptation providing a symmetrical clearance about the hydraulic motor input
Offset straight in enables the hydraulic electric motor be mounted off center
Right angle input movements the hydraulic motor perpendicular to the centerline of the planetary drive for added clearance between parts on track drives
Output options
With external shaft includes keyed, flanged or spline options to meet the various required output connections
An added output choice includes the result without external shaft by providing an interior spline at the output
F25R
Planetary Gear Drive
Ratings
Input power (max)71 kW (95 hp)
Input speed (max)2800 rpm2
Output torque (intermittent)33,895 Nm (25,000 lb-ft)
Output torque (continuous)18,710 Nm (13,800 lb-ft)
1 Actual ratio is dependent on the drive configuration.
2 Max input speed related to ratio and max result speed
3 Max radial load positioned at optimum load position
4 Weight varies with configuration and ratio selected
5 Requires tapered roller planet bearings (unavailable with all ratios)
General data
Approximate dry weight215 – 263 kg (475 – 580 lb)4
Radial load (max)28,570 kg (63,000 lb)3
Drive typeSpeed reducer
Hydraulic engine inputSAE C or D
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Planetary equipment drives (epicyclic gears) are the favoured choice for applications requiring a compact gear solution that’s capable of maintaining ideal high torque outputs.
We stock a thorough range of globally renowned Ever-Power items; prestigiously designed to accept regular hydraulic motors, with the choice of a shaft insight version suitable for a wide range of shaft, wheel and spindle drive applications.
A customer favourite from our planetary equipment drives range may be the Ever-Power-rate, compact, planetary wheel drive transmission; boasting low and high velocity functions and unbeatable long-life functionality, ideal for winches and mobile products.
With capacities ranging from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions will be the leading solution for a number of industrial and mobile applications.
Ever-Power offers wide variety of Planetary Winch Drives which are Highly regular modular designed, Better in quality, Cost effective, Energy efficient, Low Noise, Long assistance life, Large Radial Loading ability. We provide Winch with planetary gearboxes to our customers. Ever-Power manufactures customised gearboxes for material handling equipment.
We manufacture Electric Winches capability ranges from 500 kg to 50000 Kg ( 0.5 Ton to 50 Ton ), Decrease ratio up to 8000 : 1
Capacity – 2000Kg to 20000Kg
• Ratio: 3.6 : 1 to 8000 : 1
• Insight Power- 0.5 HP to 50 H
• Input Swiftness – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electric powered Motor (Brake Motor) and Hydraulic Motor and supplied with Steel Wire ropes and Control panel Beacon Winches are compact, Foot mounted, Efficient, having high Load Carrying Capability, reversible
Beacon Winches trusted in Planetary Gearboxes are trusted in Material Handling Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Industry, Power Industry, Mobile Cranes and Over head Cranes etc
Beacon Electric Winches are manufactured from superior quality raw materials such as for example Alloy Steel EN8/EN9, EN19, EN24/42,EN36c,, 16 MnCr5, CrMo4, SAE8620, MnCr/20, MnCr5/EN353, Cast Metal IS:1030, Gr2, IS :2707 Gr2, Cast Iron CIGR 25/30, GGG40/50 OR SGI Case Carburised Steel and Hardened Steel.
Ever-Power Tranny planetary gearboxes are used on different component of wind energy plant: the rotor and the nacelle. Our slewing planetary gear devices from the yaw and pitch range are normally used to control blade pitch. The nacelle at the top of the tower is connected to the rotor and houses the gearbox, the power generator, the yaw system, and the control system. To ensure that the rotor axis is continually aligned with the wind path for maximum energy output, large wind turbines are equipped with a yaw system which allows the nacelle to modify its position based on the direction and force of the wind. Nacelle rotation is managed by a yaw program, planetary gear unit with electric brake engine, which is among Ever-Power s most well-known products. Each wind mill must have between two and six gear units, depending on the size, and the motor can be electric or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the input part, or four or five-stage gear units from the yaw and pitch drive series are normally used. Output pinions can be integrated or inserted. Ever-Power is usually proud of its quality assurance plan, including the Type Approval Certificate from DNV.
Producer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared engine, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david brownish gearbox and so on.
Ever-Power have many years of experience in planetary Pitch Drive, we produce very good quality planetary Pitch Drive with very competitive prices. planetary Pitch Drive have been designed for different transmission .
The power is transmitted form the engine to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are contained in a internal toothed band gearboxes. The planetary Pitch Drive are installed on the planetary carrier. The planetary carrier is certainly part output shaft. So when sunlight gearboxes rotates, it drives the three planetary Pitch Drive within the ring gearboxes.
As planetary Pitch Drive rotate with carries and automatically the highest torque and stiffness for confirmed envelope. The additional significant advantages are basic and effective lubrication and a well balanced program at high speeds. The well balanced planetary kinematics and the associated load sharing makes the planetary-type gearboxes truly well suited for servo applications.
Modular concept, we can after particularly short delivery time for gearboxes with a constantly high standard of quality whether your applications requires a reducer for motors, Let our term of engineers do the job.
PG planetary gear systems are split into 21 basic groupings depending on the different torques that are to be transmitted to the output shaft, which can change from 0,05 to at least one 1.280 kNm. Actually, the product modular building permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary models, and also providing for a broad choice of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular building technique of the planetary equipment units is the possibility to install a series of phases of different sizes in order to get yourself a vast range of decrease ratios. The product range provides decrease ratios from 3:1 to 7:1 about the same stage device up to 10.000:1 and more on a 5 stage device. The wide range of result shafts and flanges simplifies the decrease unit mounting operation on industrial machinery or plants.
Features:
– Planetary Gearbox
– Inline & Bevel stages
– Torque range: from 0,05 to at least one 1.280 kNm
– Coupling flanges for hydraulic or electric motors
New hydraulic motors have a higher-rated operating pressure and includes a larger and more durable motor-shaft seal.
New integral engine and planetary gearbox housing brings the planetary gear set nearer to the motor, raising efficiency and reducing stress.
Gearbox has an updated insight shaft with a far more sturdy design.
Maximum torque rating for PA30B improved from 4,166 to 4,500 ft.-lb. and improved gear reduction. The number of planet gears in the PA30B gearbox increased from three to five.
PA40 bit sizes include 4-36-in. HD, 9-24-in. HD difficult floor, 18-36 in, tree and shrub, and 9- or 12-in. rock to complement the application.