In a planetary gearbox, many teeth are involved at once, that allows high speed reduction to be achieved 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 degrees of torque. The combination of compact size, large speed decrease and high torque transmission makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in style and manufacturing can make them a far more expensive remedy than additional gearbox types. And precision manufacturing is really important for these gearboxes. If one planetary gear is put closer to sunlight gear compared to the others, imbalances in the planetary gears may appear, leading to premature wear and failing. Also, the compact footprint of planetary gears makes heat dissipation more difficult, therefore applications that operate at very high speed or encounter continuous procedure may require cooling.
When using a “standard” (i.e. inline) planetary gearbox, the motor and the powered equipment should be inline with one another, although manufacturers offer right-angle designs that integrate other gear sets (often bevel gears with helical tooth) to supply an offset between your 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 placed 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 products are divided into 21 basic groups depending on the different torques that should be transmitted to the output shaft, which can change from 0,05 to 1 1.280 kNm. Actually, the product modular structure permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary devices, along with providing for a broad selection of coupling flanges for hydraulic or electric motors. Another advantage provided by the modular structure technique of the planetary gear units may be the possibility to attach a series of phases of different sizes to be able to obtain a vast range of reduction ratios. The product range provides reduction 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 1 1.280 kNm
– Coupling flanges for hydraulic or electric motors
New hydraulic motors possess a higher-rated operating pressure and includes a larger and stronger motor-shaft seal.
New integral engine and planetary gearbox housing brings the planetary gear set closer to the motor, increasing efficiency and decreasing 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 decrease. The number of planet gears in the PA30B gearbox improved from 3 to 5.
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 complement the application.
In an epicyclic or planetary gear train, several spur gears distributed evenly around the circumference operate between a gear with internal teeth and a gear with exterior teeth on a concentric orbit. The circulation of the spur gear occurs in analogy to the orbiting of the planets in the solar system. This is how planetary gears acquired their name.
The parts of a planetary gear train could be divided into four main constituents.
The housing with integrated internal teeth is actually a ring gear. In nearly all cases the housing is fixed. The generating sun pinion is in the center of the ring equipment, and is coaxially arranged with regards to the output. The sun pinion is usually attached to 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 your sun pinion and the ring 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 number of teeth has no effect on the transmitting ratio of the gearbox. The number of planets can also vary. As the number of planetary gears raises, the distribution of the strain increases and therefore the torque which can be transmitted. Increasing the amount of tooth engagements also decreases the rolling power. Since only section of the total result has to be transmitted as rolling power, a planetary gear is incredibly efficient. The benefit of a planetary gear compared to an individual spur gear lies in this load distribution. It is therefore feasible to transmit high torques wit
h high efficiency with a concise style using planetary gears.
So long as the ring gear includes a constant size, different ratios could be realized by varying the amount of teeth of the sun gear and the amount of tooth of the planetary gears. Small the sun gear, the higher the ratio. Technically, a meaningful ratio range for a planetary stage is definitely 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 obtained by connecting a number of planetary phases in series in the same band gear. In cases like this, we talk about 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 virtually any direction of rotation. Additionally it is possible to fix the drive shaft in order to pick up the torque via the band equipment. Planetary gearboxes have grown to be extremely important in lots of regions of mechanical engineering.
They have become particularly well established in areas where high output levels and fast speeds should be transmitted with favorable mass inertia ratio adaptation. High transmitting ratios can also easily be achieved with planetary gearboxes. Because of the positive properties and small design, the gearboxes possess many potential uses in industrial 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
Almost unlimited transmission ratio options because of combination of several planet stages
Ideal as planetary switching gear because of fixing this or that section of the gearbox
Chance for use as overriding gearbox
Favorable volume output
Suitability for an array of applications1
Hot Tags: planetary equipment drive, China, suppliers, producers, factory, wholesale, buy, made 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
Selection of input options
Straight in for an on centerline adaptation offering a symmetrical clearance around the hydraulic motor input
Offset straight in enables the hydraulic motor be mounted off center
Right angle input techniques the hydraulic electric 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 up the various required output connections
An added output choice includes the result without external shaft by providing 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 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)
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 concise gear solution that is capable of maintaining optimum high torque outputs.
We stock a comprehensive range of globally renowned Ever-Power products; prestigiously designed to accept regular hydraulic motors, with the option of a shaft insight version suitable for an array of shaft, wheel and spindle drive applications.
A customer preferred from our planetary equipment drives range may be the Ever-Power-acceleration, compact, planetary wheel drive transmission; boasting low and high acceleration functions and unbeatable long-life efficiency, perfect for winches and mobile devices.
With capacities which range from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions will be the leading solution for a variety of commercial and mobile applications.
Ever-Power offers wide variety of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Affordable, Energy conserving, Low Noise, Long service life, Huge Radial Loading capability. We provide Winch with planetary gearboxes to our customers. Ever-Power manufactures customised gearboxes for materials handling equipment.
We manufacture Electrical Winches capability 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
• Input Power- 0.5 HP to 50 H
• Input Acceleration – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electric powered Motor (Brake Engine) and Hydraulic Electric motor and supplied with Metal Wire ropes and Control panel Beacon Winches are small, Foot mounted, Efficient, having high Load Carrying Capacity, reversible
Beacon Winches trusted in Planetary Gearboxes are trusted in Material Managing Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Sector, Power Industry, Mobile Cranes and Over mind Cranes etc
Beacon Electric Winches are produced from excellent quality raw materials such as Alloy Steel EN8/EN9, EN19, EN24/42,EN36c,, 16 MnCr5, CrMo4, SAE8620, MnCr/20, MnCr5/Sobre353, Cast Metal IS:1030, Gr2, IS :2707 Gr2, Cast Iron CIGR 25/30, GGG40/50 OR SGI Case Carburised Metal and Hardened Steel.
Ever-Power Transmission planetary gearboxes are applied to different component of wind energy plant: the rotor and the nacelle. Our slewing planetary gear products from the yaw and pitch range are usually used to control blade pitch. The nacelle near the top of the tower is connected to the rotor and houses the gearbox, the electrical generator, the yaw system, and the control program. To make certain that the rotor axis is continually aligned with the wind path for maximum energy result, large wind turbines include a yaw system that allows the nacelle to adjust its position according to the direction and force of the wind. Nacelle rotation is definitely managed by a yaw program, planetary gear unit with electric brake motor, which is one of Ever-Power s most popular products. Each wind turbine must have between two and six gear units, based on the size, and the electric motor can be electrical or hydraulic. Two or three-stage gear units, coupled with a worm gearbox on the input aspect, or four or five-stage gear products from the yaw and pitch drive series are normally used. Output pinions could be integrated or inserted. Ever-Power is certainly pleased with its quality assurance policy, including the Type Acceptance Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary gear reducer, Planetary geared engine, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david dark brown gearbox and so on.
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 designed for different transmission .
The energy is transmitted form the engine to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are contained within an internal toothed band gearboxes. The planetary Pitch Drive are installed on the planetary carrier. The planetary carrier is usually 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 bears and automatically the highest torque and stiffness for a given envelope. The additional significant advantages are simple and effective lubrication and a well balanced system at high speeds. The balanced planetary kinematics and the linked load sharing makes the planetary-type gearboxes truly perfect for servo applications.
Modular concept, allows us to after particularly brief delivery time for gearboxes with a constantly high standard of quality whether your applications takes a reducer for motors, Let our term of engineers work for you.
PG planetary gear systems are split into 21 basic organizations depending on the different torques that should be transmitted to the output shaft, which can vary from 0,05 to at least one 1.280 kNm. Actually, the product modular construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary units, along with providing for a broad selection of coupling flanges for hydraulic or electrical motors. Another advantage provided by the modular building technique of the planetary equipment units is the possibility to install a series of stages of different sizes to be able to obtain 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 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 powered 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 casing brings the planetary equipment set closer to the motor, increasing efficiency and decreasing stress.
Gearbox comes with an updated insight shaft with a far more sturdy design.
Maximum torque ranking for PA30B improved from 4,166 to 4,500 ft.-lb. and improved gear reduction. The number of planet gears in the PA30B gearbox improved from 3 to 5.
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.