In a planetary gearbox, many teeth are involved at once, that allows high speed decrease to be achieved with fairly small gears and lower inertia reflected back to the engine. Having multiple teeth share the load also enables planetary gears to transmit high levels of torque. The combination of compact size, huge speed reduction and high torque tranny makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes do involve some disadvantages. Their complexity in style and manufacturing tends to make them a more expensive option than other gearbox types. And precision production is extremely important for these gearboxes. If one planetary equipment is positioned closer to the sun gear than the others, imbalances in the planetary gears may appear, resulting in premature wear and failure. Also, the compact footprint of planetary gears makes temperature dissipation more difficult, so applications that run at 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 the teeth) 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 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 (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 motor input SAE C or D hydraulic
PG planetary gear models are divided into 21 basic groups depending on the various torques that are to be transmitted to the result shaft, which can vary 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 variety of input shafts to the planetary products, as well as providing for a broad choice of coupling flanges for hydraulic or electrical motors. Another advantage offered by the modular building technique of the planetary gear units is the possibility to attach a series of phases of different sizes in order to obtain a vast range of reduction ratios. The merchandise 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 range of output 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 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 nearer to the motor, raising efficiency and decreasing stress.
Gearbox has an updated input 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 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 program. This is one way planetary gears obtained their name.
The parts 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 housing is fixed. The traveling sun pinion is definitely in the heart of the ring gear, and is coaxially organized in relation to the output. The sun pinion is usually mounted on a clamping system in order to provide the mechanical link with the engine shaft. During procedure, the planetary gears, which are installed on a planetary carrier, roll between your sun pinion and the band gear. The planetary carrier also represents the output shaft of the gearbox.
The sole reason for the planetary gears is to transfer the required torque. The number of teeth does not have any effect on the transmission ratio of the gearbox. The amount of planets can also vary. As the number of planetary gears improves, the distribution of the load increases and then the torque that can be transmitted. Raising the amount of tooth engagements also reduces the rolling power. Since just part of the total result needs to be transmitted as rolling power, a planetary gear is extremely efficient. The benefit of a planetary gear compared to an individual spur gear lies in this load distribution. Hence, it is possible to transmit high torques wit
h high efficiency with a concise design using planetary gears.
So long as the ring gear has a constant size, different ratios can be realized by varying the amount of teeth of sunlight gear and the amount of the teeth of the planetary gears. Small the sun gear, the higher the ratio. Technically, a meaningful ratio range for a planetary stage can be 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 many planetary levels 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 ring gear that’s not set but is driven in any direction of rotation. Additionally it is possible to repair the drive shaft in order to pick up the torque via the band equipment. Planetary gearboxes have become extremely important in many 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 transmission ratios may 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 because of low rolling power
Almost unlimited transmission ratio options because of combination of several planet stages
Suitable as planetary switching gear due to 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 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 in for an on centerline adaptation offering a symmetrical clearance around the hydraulic motor input
Offset straight in allows 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 up the many required output connections
An added output option includes the result 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 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 electric motor inputSAE C or D
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Planetary gear drives (epicyclic gears) will be the favoured choice for applications requiring a compact gear solution that is capable of maintaining optimal high torque outputs.
We stock a thorough range of world renowned Ever-Power products; prestigiously made to accept standard hydraulic motors, with the option of a shaft input version suitable for a wide range of shaft, wheel and spindle drive applications.
A customer preferred from our planetary equipment drives range is the Ever-Power-rate, small, planetary wheel drive transmission; boasting low and high velocity features and unbeatable long-life performance, well suited for winches and mobile equipment.
With capacities ranging from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions will be the leading solution for a number of industrial 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 assistance 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 Swiftness – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electric 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 widely used in Planetary Gearboxes are widely used in Material Handling Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical Industry, Food Industry, Structure Industry, Agricultural Industry, Power Industry, Cellular Cranes and Over head Cranes etc
Beacon Electrical Winches are manufactured from superior quality raw material such as Alloy Steel EN8/Sobre9, 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 Tranny planetary gearboxes are used on different component of wind energy plant: the rotor and the nacelle. Our slewing planetary gear units from the yaw and pitch range are normally used to regulate blade pitch. The nacelle at the top of the tower is connected to the rotor and houses the gearbox, the power generator, the yaw system, and the control program. To make sure that the rotor axis is constantly aligned with the wind path for maximum energy output, large wind turbines include a yaw system that allows the nacelle to modify its position according to the direction and pressure of the wind. Nacelle rotation is managed by a yaw system, planetary gear device with electric brake motor, which is among Ever-Power s most well-known products. Each wind mill must have between two and six gear units, depending 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 systems 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 Authorization Certificate from DNV.
Producer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared engine, Epicyclic gearing, Planetary gearing, Gearboxes, can 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 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 electric motor to sun gearboxes. The sun gearboxes drives three planetary Pitch Drive, which are contained in a internal toothed ring gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier is certainly part output shaft. So 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 confirmed envelope. The additional significant advantages are simple and effective lubrication and a balanced system at high speeds. The well balanced planetary kinematics and the associated load posting makes the planetary-type gearboxes truly perfect for servo applications.
Modular concept, we can 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 do the job.
PG planetary gear products are divided into 21 basic organizations depending on the different torques that should be transmitted to the result shaft, which can vary from 0,05 to 1 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 devices, and also providing for a broad choice of coupling flanges for hydraulic or electrical motors. Another advantage offered by the modular construction technique of the planetary gear units is the possibility to install a series of levels of different sizes to be able to get yourself a vast range of decrease ratios. The product range provides decrease 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 selection of result shafts and flanges simplifies the decrease unit mounting procedure 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 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 nearer to the motor, increasing efficiency and decreasing stress.
Gearbox comes with an updated insight shaft with a 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 improved from three to five.
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 match the application.