In a planetary gearbox, many teeth are involved at once, that allows high speed reduction to be performed with relatively small gears and lower inertia reflected back again to the motor. Having multiple teeth discuss the load also allows planetary gears to transmit high levels of torque. The mixture of compact size, large speed reduction and high torque transmitting makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in style and manufacturing can make them a more expensive answer than additional gearbox types. And precision production is really important for these gearboxes. If one planetary gear is put closer to the sun gear compared to the others, imbalances in the planetary gears can occur, resulting in premature wear and failing. Also, the compact footprint of planetary gears makes high temperature dissipation more difficult, so applications that run at very high speed or experience continuous operation may require cooling.
When using a “standard” (i.e. inline) planetary gearbox, the motor and the driven equipment should be inline with each other, although manufacturers provide right-angle designs that incorporate other gear sets (often 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 is dependent 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 electric motor input SAE C or D hydraulic
PG planetary gear devices are divided 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 at least one 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 units, and also providing for a wide choice of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular building 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 reduction ratios. The merchandise 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 device. The wide range of output 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 electrical motors
New hydraulic motors possess a higher-rated operating pressure and features a larger and more durable motor-shaft seal.
New integral electric motor and planetary gearbox casing brings the planetary equipment set nearer to the motor, raising 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 reduction. The number of world 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.
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 equipment occurs in analogy to the orbiting of the planets in the solar program. This is one way planetary gears obtained their name.
The elements of a planetary gear train can 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 generating sun pinion is usually in the center of the ring equipment, and is coaxially arranged with regards to the output. The sun pinion is usually mounted on a clamping system in order to offer the mechanical link with the engine shaft. During procedure, the planetary gears, which are installed on a planetary carrier, roll between the sunlight pinion and the ring gear. The planetary carrier also represents the output shaft of the gearbox.
The sole purpose of the planetary gears is to transfer the mandatory torque. The amount of teeth has no effect on the transmission ratio of the gearbox. The number of planets may also vary. As the amount of planetary gears increases, the distribution of the load increases and then the torque that can be transmitted. Increasing the number of tooth engagements also reduces the rolling power. Since just part of the total output needs to be transmitted as rolling power, a planetary gear is incredibly efficient. The benefit of a planetary equipment compared to a single spur gear is based on this load distribution. Hence, it is feasible to transmit high torques wit
h high efficiency with a compact design using planetary gears.
So long as the ring gear has a continuous size, different ratios could be realized by varying the amount of teeth of sunlight gear and the number of the teeth of the planetary gears. Small the sun gear, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is certainly 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 several planetary phases 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 band gear that is not set but is driven in any direction of rotation. Additionally it is possible to fix the drive shaft to be able to pick up the torque via the ring gear. Planetary gearboxes have become extremely important in many regions of mechanical engineering.
They have grown to be particularly well established in areas where high output levels and fast speeds must be transmitted with favorable mass inertia ratio adaptation. High tranny ratios may also easily be performed with planetary gearboxes. Because of the 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 because of low rolling power
Nearly 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
Chance for use as overriding gearbox
Favorable volume output
Suitability for an array of applications1
Hot Tags: planetary gear drive, China, suppliers, manufacturers, factory, wholesale, buy, manufactured 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 offering a symmetrical clearance around the hydraulic motor input
Offset straight in enables the hydraulic engine be mounted off center
Right angle input techniques 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 the various 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 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)
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 ideal high torque outputs.
We stock a comprehensive range of world renowned Ever-Power items; prestigiously designed to accept standard hydraulic motors, with the choice of a shaft input version suitable for a wide variety of shaft, wheel and spindle drive applications.
A customer preferred from our planetary equipment drives range may be the Ever-Power-velocity, compact, planetary wheel drive transmission; boasting low and high acceleration features and unbeatable long-life functionality, ideal for winches and mobile apparatus.
With capacities ranging from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions are the leading solution for a number of commercial and mobile applications.
Ever-Power offers wide range of Planetary Winch Drives which are Highly regular modular designed, Better in quality, Cost effective, Energy efficient, Low Noise, Long services 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 Electrical 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 Electric Motor (Brake Electric motor) and Hydraulic 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 widely used in Planetary Gearboxes are trusted in Material Handling Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical substance Industry, Food Industry, Structure Industry, Agricultural Market, Power Industry, Mobile Cranes and Over head Cranes etc
Beacon Electrical 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 Steel 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 part 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 at the top of the tower is linked to the rotor and houses the gearbox, the power generator, the yaw system, and the control system. To ensure that the rotor axis is continually aligned with the wind path for maximum energy output, large wind turbines are equipped with a yaw system that allows the nacelle to adapt its position according to the direction and push of the wind. Nacelle rotation is certainly controlled by a yaw system, planetary gear device with electric brake engine, which is among Ever-Power s most well-known products. Each wind mill will need to have between two and six gear units, depending on the size, and the engine can be electric or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the insight aspect, or four or five-stage gear products from the yaw and pitch drive series are usually used. Output pinions can be built-in or inserted. Ever-Power is usually pleased with its quality assurance plan, including the Type Authorization Certificate from DNV.
Producer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared engine, Epicyclic gearing, Planetary gearing, Gearboxes, may interchange and replace with brevini gearbox, david 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 designed for different transmission .
The energy is transmitted form the engine 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 can be 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 other significant advantages are simple and efficient lubrication and a well balanced program at high speeds. The balanced planetary kinematics and the associated load sharing makes the planetary-type gearboxes really perfect for servo applications.
Modular concept, allows us to after particularly short delivery time for gearboxes with a constantly high regular of quality whether your applications requires a reducer for motors, Let our term of engineers work for you.
PG planetary gear devices are divided into 21 basic groupings depending on the different torques that are to be transmitted to the result shaft, which can vary from 0,05 to at least one 1.280 kNm. Actually, the product modular structure permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of insight shafts to the planetary products, in addition to providing for a wide choice 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 install 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 device. 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 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 housing brings the planetary equipment set closer to the motor, raising efficiency and decreasing stress.
Gearbox has 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 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 complement the application.