In a planetary gearbox, many teeth are engaged 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, huge speed decrease and high torque transmission makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in style and manufacturing tends to make them a far more expensive remedy than various other gearbox types. And precision manufacturing is really important for these gearboxes. If one planetary equipment is positioned closer to sunlight gear compared to the others, imbalances in the planetary gears can occur, leading to premature wear and failure. Also, the compact footprint of planetary gears makes heat 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 offer right-angle designs that integrate other gear sets (frequently bevel gears with helical tooth) to provide 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 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)
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 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 input shafts to the planetary devices, and also providing for a broad selection 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 mount a series of stages of different sizes to be able to get yourself a vast range of reduction ratios. The product 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 unit. The wide range of result shafts and flanges simplifies the reduction unit mounting operation 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 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 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 increased 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.
Within 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 program. This is one way planetary gears acquired their name.
The elements of a planetary gear train can be divided into four main constituents.
The housing with integrated internal teeth is actually a ring gear. In the majority of cases the casing is fixed. The traveling sun pinion is definitely in the center of the ring equipment, and is coaxially organized with regards to the output. The sun pinion is usually mounted on a clamping system in order to offer the mechanical connection to the motor shaft. During operation, the planetary gears, which are mounted on a planetary carrier, roll between your sunlight 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 that can be transmitted. Increasing the number of tooth engagements also decreases the rolling power. Since just portion of the total output needs to be transmitted as rolling power, a planetary equipment is incredibly efficient. The advantage of a planetary gear compared to an individual spur gear lies in this load distribution. Hence, it is feasible to transmit high torques wit
h high efficiency with a compact style using planetary gears.
So long as the ring gear has a continuous size, different ratios could be realized by varying the number of teeth of sunlight gear and the number of tooth of the planetary gears. Small the sun gear, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is definitely approx. 3:1 to 10:1, since the planetary gears and the sun gear are extremely small above and below these ratios. Higher ratios can be acquired by connecting many planetary phases in series in the same band gear. In this case, we talk about multi-stage gearboxes.
With planetary gearboxes the speeds and torques can be overlaid by having a band gear that is not fixed but is driven in any direction of rotation. It is also possible to fix the drive shaft to be able to grab the torque via the ring gear. Planetary gearboxes have become extremely important in lots of areas of mechanical engineering.
They have grown to be particularly well established 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 the positive properties and small design, the gearboxes have many potential uses in industrial 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
Appropriate as planetary switching gear because of fixing this or that portion of the gearbox
Possibility of use as overriding gearbox
Favorable volume output
Suitability for an array of applications1
Hot Tags: planetary gear 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 set for an on centerline adaptation giving a symmetrical clearance around the hydraulic motor input
Offset straight in allows the hydraulic motor be mounted off center
Right angle input moves the hydraulic engine perpendicular to the centerline of the planetary drive for added clearance between components on track drives
Output options
With external shaft includes keyed, flanged or spline options to meet the many required output connections
An added output choice includes the output without exterior 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 would depend on the drive configuration.
2 Max input speed related 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 (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 optimum high torque outputs.
We stock a comprehensive range of globally renowned Ever-Power items; prestigiously made to accept regular hydraulic motors, with the option of a shaft input version suitable for an array of shaft, wheel and spindle drive applications.
A customer preferred from our planetary equipment drives range is the Ever-Power-quickness, small, planetary wheel drive transmission; boasting low and high swiftness functions and unbeatable long-life efficiency, well suited for winches and mobile equipment.
With capacities which range from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions are the leading solution for a variety of industrial and mobile applications.
Ever-Power offers wide variety of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Cost effective, Energy efficient, Low Noise, Long program 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 ), 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 Acceleration – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electric Motor (Brake Electric motor) and Hydraulic Engine and supplied with Steel 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 Handling Equipments, Mechanical Industry, Glucose Industry, Cement Industry, Chemical Industry, Food Industry, Structure Industry, Agricultural Industry, Power Industry, Mobile Cranes and Over head Cranes etc
Beacon Electric Winches are manufactured from superior quality raw materials 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 Metal 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 gear systems from the yaw and pitch range are normally used to control blade pitch. The nacelle near the top of the tower is linked to the rotor and houses the gearbox, the electrical generator, the yaw system, and the control system. To make certain that the rotor axis is constantly aligned with the wind path for maximum energy result, large wind turbines are equipped with a yaw system that allows the nacelle to adapt its position based on the direction and power of the wind. Nacelle rotation can be managed by a yaw program, planetary gear device with electric brake engine, which is among Ever-Power s most popular products. Each wind turbine must have between two and six equipment units, based on the size, and the electric motor could be electric or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the input aspect, or four or five-stage gear devices from the yaw and pitch drive series are usually used. Output pinions can be built-in or inserted. Ever-Power can be pleased with its quality assurance policy, including the Type Authorization 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 brown gearbox and so on.
Ever-Power have a long time of experience in planetary Pitch Drive, we produce very good quality planetary Pitch Drive with very competitive prices. planetary Pitch Drive have already been designed for different transmission .
The energy is transmitted form the electric motor to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are contained in a internal toothed ring gearboxes. The planetary Pitch Drive are installed on the planetary carrier. The planetary carrier is usually part output shaft. So when the sun gearboxes rotates, it drives the three planetary Pitch Drive inside the ring gearboxes.
As planetary Pitch Drive rotate with bears and automatically the best torque and stiffness for a given envelope. The other 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 requires a reducer for motors, Let our term of engineers work for you.
PG planetary gear units are split into 21 basic groupings depending on the various torques that are to 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 input shafts to the planetary products, along with providing for a wide selection of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular structure technique of the planetary equipment units is the possibility to mount a series of levels of different sizes in order to get yourself a vast range of decrease ratios. The product range provides reduction 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 selection of result shafts and flanges simplifies the decrease unit mounting operation 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 powered motors
New hydraulic motors have a higher-rated operating pressure and includes a larger and more durable motor-shaft seal.
New integral motor and planetary gearbox housing brings the planetary gear set closer to the motor, raising efficiency and reducing stress.
Gearbox has an updated input shaft with a more sturdy design.
Maximum torque ranking for PA30B increased from 4,166 to 4,500 ft.-lb. and improved gear decrease. 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 complement the application.