In a planetary gearbox, many teeth are engaged at once, that allows high speed decrease to be achieved with relatively small gears and lower inertia reflected back again to the electric motor. Having multiple teeth reveal the load also allows planetary gears to transmit high degrees of torque. The combination of compact size, large speed decrease and high torque tranny makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in design and manufacturing can make them a far more expensive option than other gearbox types. And precision manufacturing is really important for these gearboxes. If one planetary equipment is positioned closer to the sun gear than the others, imbalances in the planetary gears can occur, resulting in premature wear and failure. Also, the compact footprint of planetary gears makes heat dissipation more difficult, so applications that operate at high speed or experience continuous operation may require cooling.
When utilizing a “standard” (i.e. inline) planetary gearbox, the motor and the driven equipment should be inline with each other, although manufacturers offer right-angle designs that incorporate other gear sets (often bevel gears with helical teeth) 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 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 (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 motor input SAE C or D hydraulic
PG planetary gear units are divided into 21 basic groups depending on the various torques that should be transmitted to the result 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 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 provided by the modular construction technique of the planetary gear units may be the possibility to mount 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 on a single stage unit up to 10.000:1 and more on a 5 stage unit. The wide selection 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 1 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 more durable motor-shaft seal.
New integral engine and planetary gearbox casing brings the planetary gear set closer to the motor, raising efficiency and reducing stress.
Gearbox has an updated input 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 increased 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 exterior teeth on a concentric orbit. The circulation of the spur gear takes place in analogy to the orbiting of the planets in the solar system. This is how 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 actually a ring gear. In nearly all cases the housing is fixed. The driving sun pinion is definitely in the center of the ring gear, and is coaxially arranged with regards to the output. The sun pinion is usually attached to a clamping system in order to provide the mechanical link with the electric motor shaft. During procedure, the planetary gears, which are installed on a planetary carrier, roll between your sunlight pinion and the band gear. The planetary carrier also represents the result 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 tranny ratio of the gearbox. The amount of planets may also vary. As the amount of planetary gears improves, the distribution of the strain increases and therefore the torque that can be transmitted. Increasing the amount of tooth engagements also decreases the rolling power. Since only section of the total output needs to be transmitted as rolling power, a planetary equipment is incredibly efficient. The benefit of a planetary gear compared to a single spur gear lies in this load distribution. Hence, it is feasible to transmit high torques wit
h high efficiency with a concise style using planetary gears.
So long as the ring gear has a constant size, different ratios can be realized by various the number of teeth of the sun gear and the number 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, since the planetary gears and sunlight gear are extremely little above and below these ratios. Higher ratios can be obtained by connecting many planetary phases in series in the same ring gear. In cases like this, we talk about multi-stage gearboxes.
With planetary gearboxes the speeds and torques could be overlaid by having a band gear that is not fixed but is driven in virtually any direction of rotation. It is also possible to fix the drive shaft to be able to pick up the torque via the band gear. Planetary gearboxes have become extremely important in lots of regions 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 transmitting ratios can also easily be performed with planetary gearboxes. Because of their positive properties and compact 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 many planetary gears
High efficiency due to low rolling power
Almost unlimited transmission ratio options due to mixture of several planet stages
Appropriate 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 a wide range of applications1
Hot Tags: planetary gear 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
Selection of input options
Straight set for an upon centerline adaptation offering 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 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 up the many 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 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)
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 electric 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’s 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 choice of a shaft insight version suitable for a wide variety of shaft, wheel and spindle drive applications.
A customer preferred from our planetary gear drives range may be the Ever-Power-quickness, small, planetary wheel drive transmission; boasting low and high speed functions and unbeatable long-life efficiency, well suited for winches and mobile products.
With capacities ranging from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions are the leading solution for a number 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 conserving, Low Noise, Long program life, Large Radial Loading ability. We offer Winch with planetary gearboxes to our customers. Ever-Power manufactures customised gearboxes for material 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
Capacity – 2000Kg to 20000Kg
• Ratio: 3.6 : 1 to 8000 : 1
• Input Power- 0.5 HP to 50 H
• Input Speed – 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 Electric motor and supplied with Metal Wire ropes and Control panel Beacon Winches are small, Foot mounted, Efficient, having high Load Carrying Capability, reversible
Beacon Winches trusted in Planetary Gearboxes are widely used in Material Handling Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Sector, Power Industry, Cellular Cranes and Over head Cranes etc
Beacon Electric Winches are manufactured from superior 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 applied to different part of wind energy plant: the rotor and the nacelle. Our slewing planetary gear products from the yaw and pitch range are normally used to regulate blade pitch. The nacelle at the top of the tower is linked to the rotor and homes the gearbox, the electrical generator, the yaw program, and the control system. To make sure that the rotor axis is constantly aligned with the wind direction for maximum energy result, large wind turbines are equipped with a yaw system that allows the nacelle to modify its position according to the direction and power of the wind. Nacelle rotation is controlled by a yaw system, planetary gear device with electric brake electric motor, which is one of Ever-Power s most popular products. Each wind mill will need to have between two and six gear units, depending on the size, and the electric motor could be electrical or hydraulic. Two or three-stage gear units, combined 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 integrated or inserted. Ever-Power is usually pleased with its quality assurance policy, including the Type Approval Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary gear reducer, Planetary geared motor, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david brownish 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 very competitive prices. planetary Pitch Drive have already been created for different transmission .
The power is transmitted form the engine to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are contained within an internal toothed ring gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier is definitely part output shaft. Therefore when sunlight gearboxes rotates, it drives the three planetary Pitch Drive within the ring gearboxes.
As planetary Pitch Drive rotate with bears and automatically the best torque and stiffness for confirmed envelope. The other significant advantages are basic and efficient lubrication and a balanced system at high speeds. The well balanced planetary kinematics and the connected load posting makes the planetary-type gearboxes really well suited 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 work for you.
PG planetary gear products are split into 21 basic groups depending on the different torques that are to be transmitted to the result shaft, which can change 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 variety of input shafts to the planetary products, along with providing for a broad selection of coupling flanges for hydraulic or electrical motors. Another advantage offered by the modular construction technique of the planetary gear units may be the possibility to attach a series of stages 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 on a single stage unit up to 10.000:1 and more on a 5 stage device. The wide range of output shafts and flanges simplifies the decrease unit mounting procedure 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 powered motors
New hydraulic motors possess a higher-rated operating pressure and includes a larger and more durable motor-shaft seal.
New integral motor and planetary gearbox casing brings the planetary gear set closer to the motor, raising efficiency and decreasing stress.
Gearbox comes with an updated input shaft with a more sturdy design.
Maximum torque ranking 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.