Planetary Drive

In a planetary gearbox, many teeth are involved at once, which allows high speed reduction to be achieved with relatively small gears and lower inertia reflected back to the motor. Having multiple teeth reveal the load also allows planetary gears to transmit high degrees of torque. The mixture of compact size, large speed reduction and high torque tranny makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes do have some disadvantages. Their complexity in style and manufacturing tends to make them a more expensive alternative than various other gearbox types. And precision production is really important for these gearboxes. If one planetary equipment is positioned closer to sunlight gear than the others, imbalances in the planetary gears may appear, leading to premature wear and failure. Also, the compact footprint of planetary gears makes heat dissipation more difficult, so applications that run at very high speed or encounter continuous operation may require cooling.
When utilizing a “standard” (i.electronic. inline) planetary gearbox, the motor and the powered equipment should be inline with each other, although manufacturers offer right-angle designs that integrate other gear sets (frequently bevel gears with helical the teeth) to provide 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 would depend on the drive configuration.
2 Max input speed linked 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 (not available 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 motor input SAE C or D hydraulic
PG planetary gear systems are split into 21 basic organizations depending on the different torques that are to be transmitted to the result shaft, which can vary from 0,05 to 1 1.280 kNm. In fact, the product modular structure permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of input shafts to the planetary models, and also providing for a broad choice of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular structure technique of the planetary equipment units may be the possibility to attach a series of levels of different sizes to be able to obtain a vast range of decrease ratios. The merchandise range provides decrease ratios from 3:1 to 7:1 about the same stage unit up to 10.000:1 and more on a 5 stage unit. The wide range of result shafts and flanges simplifies the reduction unit mounting procedure on industrial machinery or plants.
Features:
– Planetary Gearbox
– Inline & Bevel stages
– Torque range: from 0,05 to 1 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 engine and planetary gearbox housing brings the planetary equipment set nearer to the motor, increasing efficiency and reducing 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 decrease. 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 match the application.
Within 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 exterior teeth on a concentric orbit. The circulation of the spur equipment takes place in analogy to the orbiting of the planets in the solar system. This is how planetary gears obtained their name.
The elements of a planetary gear train could be split into four main constituents.
The housing with integrated internal teeth is actually a ring gear. In nearly all cases the housing is fixed. The traveling sun pinion is in the center of the ring gear, and is coaxially organized with regards to the output. Sunlight pinion is usually mounted on a clamping system in order to provide the mechanical connection to the motor shaft. During procedure, the planetary gears, which are installed on a planetary carrier, roll between the sunlight pinion and the band gear. The planetary carrier also represents the output shaft of the gearbox.
The sole reason for the planetary gears is to transfer the mandatory torque. The amount of teeth has no effect on the transmitting ratio of the gearbox. The number of planets can also vary. As the amount of planetary gears raises, the distribution of the strain increases and then the torque which can be transmitted. Increasing 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 extremely efficient. The advantage of a planetary gear compared to a single spur gear is based on this load distribution. Hence, it is possible to transmit high torques wit
h high efficiency with a compact design using planetary gears.
So long as the ring gear includes a constant size, different ratios can be realized by various the number of teeth of the sun gear and the amount of teeth of the planetary gears. Small the sun gear, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is approx. 3:1 to 10:1, since 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 levels in series in the same band gear. In this case, 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 virtually any direction of rotation. It is also possible to repair the drive shaft in order to pick up the torque via the band gear. Planetary gearboxes have become extremely important in many regions of mechanical engineering.
They have become particularly more developed in areas where high output levels and fast speeds should be transmitted with favorable mass inertia ratio adaptation. High transmission ratios can also easily be performed with planetary gearboxes. Because of their positive properties and small design, the gearboxes have many potential uses in commercial applications.
The benefits of planetary gearboxes:
Coaxial arrangement of input shaft and output shaft
Load distribution to several planetary gears
High efficiency because of low rolling power
Almost unlimited transmission ratio options due to combination of several planet stages
Suitable as planetary switching gear due to fixing this or that part of the gearbox
Possibility of use as overriding gearbox
Favorable volume output
Suitability for a wide variety of applications1
Hot Tags: planetary gear drive, China, suppliers, producers, factory, wholesale, buy, manufactured in China
Description
Planetary Gear Drive
Drive type: speed reducer
Output torque: 33,895 Nm (25,000 lb-ft)
Max input speed: 2800 rpm
Features
Variety of input options
Straight in for an upon centerline adaptation giving a symmetrical clearance about the hydraulic motor input
Offset straight in enables the hydraulic engine be mounted off center
Right angle input moves the hydraulic motor perpendicular to the centerline of the planetary drive for added clearance between elements on track drives
Output options
With external shaft includes keyed, flanged or spline options to meet up the many required output connections
An added output option includes the output without external shaft by offering an internal 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 would depend 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 (not available 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 motor inputSAE C or D
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Planetary gear drives (epicyclic gears) are the favoured choice for applications requiring a compact gear solution that is capable of maintaining ideal high torque outputs.
We stock a comprehensive range of globally renowned Ever-Power items; prestigiously designed to accept standard hydraulic motors, with the option of a shaft input version suitable for an array of shaft, wheel and spindle drive applications.
A customer favourite from our planetary equipment drives range is the Ever-Power-velocity, small, planetary wheel drive transmission; boasting low and high quickness features and unbeatable long-life efficiency, well suited for winches and mobile products.
With capacities which range from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions will be the leading solution for a variety of industrial and mobile applications.
Ever-Power offers wide range of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Cost effective, Energy efficient, Low Noise, Long services life, Huge Radial Loading ability. We offer Winch with planetary gearboxes to your customers. Ever-Power manufactures customised gearboxes for materials handling equipment.
We manufacture Electrical Winches capacity ranges from 500 kg to 50000 Kg ( 0.5 Ton to 50 Ton ), Reduction ratio up to 8000 : 1
Capability – 2000Kg to 20000Kg
• Ratio: 3.6 : 1 to 8000 : 1
• Insight Power- 0.5 HP to 50 H
• Input Quickness – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electrical Motor (Brake Motor) and Hydraulic Engine and supplied with Metal Wire ropes and Control panel Beacon Winches are small, Foot mounted, Efficient, having high Load Carrying Capability, reversible
Beacon Winches widely used in Planetary Gearboxes are widely used in Material Managing Equipments, Mechanical Industry, Sugars Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Market, Power Industry, Cellular Cranes and Over head Cranes etc
Beacon Electric Winches are manufactured from excellent quality raw material such as 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 Transmitting planetary gearboxes are used on different component of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment products from the yaw and pitch range are normally used to regulate blade pitch. The nacelle near the top of the tower is connected to the rotor and homes the gearbox, the power generator, the yaw program, and the control program. To make sure that the rotor axis is constantly aligned with the wind path for maximum energy result, large wind turbines are equipped with a yaw system which allows the nacelle to adjust its position according to the direction and pressure of the wind. Nacelle rotation is usually managed by a yaw program, planetary gear device with electric brake engine, which is among Ever-Power s most well-known products. Each wind turbine will need to 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, coupled with a worm gearbox on the input side, or four or five-stage gear models from the yaw and pitch drive series are normally used. Output pinions can be included or inserted. Ever-Power is usually pleased with its quality assurance plan, including the Type Approval Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary gear reducer, Planetary geared engine, Epicyclic gearing, Planetary gearing, Gearboxes, may interchange and replace with brevini gearbox, david dark brown gearbox and so forth.
Ever-Power have a long time of encounter in planetary Pitch Drive, we produce very high quality planetary Pitch Drive with extremely competitive prices. planetary Pitch Drive have been created for different transmission .
The power is transmitted form the electric motor to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are included in a internal toothed ring gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier is usually part output shaft. So when sunlight gearboxes rotates, it drives the three planetary Pitch Drive in the ring gearboxes.
As planetary Pitch Drive rotate with carries and automatically the best torque and stiffness for confirmed envelope. The other significant advantages are simple and effective lubrication and a well balanced program at high speeds. The balanced planetary kinematics and the linked load sharing makes the planetary-type gearboxes truly well suited for servo applications.
Modular concept, allows us to after particularly brief delivery time for gearboxes with a constantly high regular of quality whether your applications takes a reducer for motors, Let our term of engineers work for you.
PG planetary gear products 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 1 1.280 kNm. In fact, the product modular construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of insight shafts to the planetary systems, and also providing for a wide choice of coupling flanges for hydraulic or electric powered motors. Another advantage provided by the modular construction technique of the planetary gear units may be the possibility to mount a series of phases of different sizes to be able to obtain a vast range of decrease ratios. The product range provides reduction ratios from 3:1 to 7:1 on a single stage unit up to 10.000:1 and more on a 5 stage device. The wide range of result 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 1 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 electric motor and planetary gearbox casing brings the planetary gear set nearer to the motor, increasing efficiency and decreasing stress.
Gearbox comes with an updated input shaft with a more sturdy design.
Maximum torque rating for PA30B improved from 4,166 to 4,500 ft.-lb. and improved gear reduction. The number of world gears in the PA30B gearbox improved 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.