In a planetary gearbox, many teeth are involved at once, which allows high speed decrease to be performed with relatively small gears and lower inertia reflected back again to the engine. Having multiple teeth talk about the load also allows planetary gears to transmit high levels of torque. The combination of compact size, large speed reduction and high torque tranny makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes perform have some disadvantages. Their complexity in style and manufacturing can make them a far more expensive alternative than other gearbox types. And precision manufacturing is really important for these gearboxes. If one planetary equipment is put closer to the sun gear compared to the others, imbalances in the planetary gears may appear, resulting in premature wear and failure. Also, the small footprint of planetary gears makes high temperature dissipation more difficult, so applications that operate at high speed or experience continuous operation may require cooling.
When using a “standard” (i.electronic. inline) planetary gearbox, the motor and the driven equipment must be inline with each other, although manufacturers provide right-angle designs that include other gear sets (often bevel gears with helical tooth) 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 is dependent on the drive configuration.
2 Max input speed linked 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 engine input SAE C or D hydraulic
PG planetary gear models are split into 21 basic organizations depending on the different torques that should be transmitted to the result shaft, which can change from 0,05 to at least one 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 wide choice of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular structure technique of the planetary equipment units is 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 reduction ratios from 3:1 to 7:1 on a single stage unit up to 10.000:1 and more on a 5 stage unit. The wide range of output shafts and flanges simplifies the reduction unit mounting operation 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 powered 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 reducing stress.
Gearbox comes with 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 3 to 5.
PA40 bit sizes include 4-36-in. HD, 9-24-in. HD difficult surface, 18-36 in, tree and shrub, and 9- or 12-in. rock to complement 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 external teeth on a concentric orbit. The circulation of the spur gear occurs in analogy to the orbiting of the planets in the solar program. This is one way planetary gears acquired their name.
The parts of a planetary gear train could be split into four main constituents.
The housing with integrated internal teeth is known as a ring gear. In nearly all cases the casing is fixed. The traveling sun pinion is usually in the heart of the ring gear, and is coaxially arranged with regards to the output. The sun pinion is usually mounted on a clamping system to be able to offer the mechanical connection to the engine shaft. During procedure, the planetary gears, which are installed on a planetary carrier, roll between the sunlight pinion and the ring equipment. The planetary carrier also represents the output shaft of the gearbox.
The sole purpose of the planetary gears is to transfer the required torque. The number of teeth does not have any effect on the transmitting ratio of the gearbox. The number of planets can also vary. As the number of planetary gears boosts, the distribution of the strain increases and therefore the torque that can be transmitted. Raising the number of tooth engagements also reduces the rolling power. Since just section of the total result has to be transmitted as rolling power, a planetary gear is extremely efficient. The advantage of a planetary equipment compared to an individual spur gear is based on this load distribution. It is therefore feasible 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 can be realized by various the amount of teeth of the sun gear and the amount of the teeth of the planetary gears. The smaller the sun equipment, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is usually approx. 3:1 to 10:1, since the planetary gears and sunlight gear are extremely small above and below these ratios. Higher ratios can be acquired by connecting a number of planetary stages 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 ring gear that’s not set but is driven in any direction of rotation. Additionally it is possible to fix the drive shaft in order to pick up the torque via the ring gear. Planetary gearboxes have become extremely important in many areas 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 achieved with planetary gearboxes. Because of the positive properties and compact design, the gearboxes possess 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 due to low rolling power
Nearly unlimited transmission ratio options because of mixture 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 an array of applications1
Hot Tags: planetary equipment drive, China, suppliers, manufacturers, factory, wholesale, buy, made 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
Variety of input options
Straight in for an on centerline adaptation giving a symmetrical clearance around the hydraulic motor input
Offset straight in allows the hydraulic engine be mounted off center
Right angle input moves the hydraulic engine 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 option includes the output without external shaft by offering 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 (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 engine inputSAE C or D
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Planetary equipment drives (epicyclic gears) are the favoured choice for applications requiring a concise gear solution that is capable of maintaining optimum high torque outputs.
We stock a comprehensive range of world renowned Ever-Power products; prestigiously designed to accept standard hydraulic motors, with the option of a shaft input version suitable for a wide selection of shaft, wheel and spindle drive applications.
A customer favourite from our planetary equipment drives range may be the Ever-Power-swiftness, small, planetary wheel drive transmission; boasting low and high velocity functions and unbeatable long-life efficiency, well suited for winches and mobile apparatus.
With capacities ranging from 845Nm to 332,000Nm, our innovative selection 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 conserving, Low Noise, Long assistance life, Large Radial Loading ability. We provide Winch with planetary gearboxes to your customers. Ever-Power manufactures customised gearboxes for material handling equipment.
We manufacture Electric Winches capacity 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
• Input Power- 0.5 HP to 50 H
• Input Rate – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electrical Motor (Brake Engine) and Hydraulic Engine and supplied with Metal 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, Glucose Industry, Cement Industry, Chemical substance Industry, Food Industry, Building Industry, Agricultural Market, Power Industry, Cellular Cranes and Over mind Cranes etc
Beacon Electrical 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 Steel IS:1030, Gr2, IS :2707 Gr2, Cast Iron CIGR 25/30, GGG40/50 OR SGI Case Carburised Steel and Hardened Steel.
Ever-Power Transmission planetary gearboxes are used on different component of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment devices 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 system, and the control system. To make sure that the rotor axis is constantly aligned with the wind path for maximum energy output, large wind turbines are equipped with a yaw system that allows the nacelle to change its position according to the direction and drive of the wind. Nacelle rotation is managed by a yaw program, planetary gear unit with electric brake motor, which is among Ever-Power s most well-known products. Each wind mill will need to have between two and six equipment units, based on the size, and the engine can be electrical or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the input part, or four or five-stage gear products from the yaw and pitch drive series are usually used. Output pinions could be built-in or inserted. Ever-Power is proud of its quality assurance policy, including the Type Acceptance Certificate from DNV.
Producer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared motor, Epicyclic gearing, Planetary gearing, Gearboxes, may interchange and replace with brevini gearbox, david dark brown gearbox and so forth.
Ever-Power have many years of encounter in planetary Pitch Drive, we produce very good quality planetary Pitch Drive with extremely competitive prices. planetary Pitch Drive have been made for different transmission .
The power is transmitted form the motor 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 part output shaft. Therefore 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 a given envelope. The various other significant advantages are simple and efficient lubrication and a balanced system at high speeds. The well balanced planetary kinematics and the linked load sharing makes the planetary-type gearboxes truly ideal for servo applications.
Modular concept, we can after particularly brief 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 models are divided into 21 basic organizations depending on the different torques that should be transmitted to the output shaft, which can vary from 0,05 to 1 1.280 kNm. In fact, the product modular building permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of insight shafts to the planetary devices, along with providing for a broad choice of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular structure technique of the planetary gear units may be the possibility to attach a series of stages of different sizes to be able to get yourself a vast range of reduction ratios. The merchandise 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 selection 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 features a larger and stronger motor-shaft seal.
New integral electric motor and planetary gearbox housing brings the planetary equipment set closer to the motor, increasing 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 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 match the application.
