In a planetary gearbox, many teeth are involved at once, which allows high speed reduction to be performed with fairly small gears and lower inertia reflected back to the engine. Having multiple teeth talk about the load also allows planetary gears to transmit high levels of torque. The combination of compact size, large speed decrease and high torque transmitting makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes do have some disadvantages. Their complexity in design and manufacturing can make them a more expensive remedy than various other gearbox types. And precision manufacturing is extremely important for these gearboxes. If one planetary equipment is put closer to sunlight gear compared to the others, imbalances in the planetary gears may appear, resulting in premature wear and failing. Also, the compact footprint of planetary gears makes temperature dissipation more difficult, so applications that run at very high speed or encounter continuous procedure may require cooling.
When utilizing a “standard” (i.electronic. inline) planetary gearbox, the motor and the driven equipment must be inline with each other, although manufacturers provide right-angle designs that include other gear sets (frequently bevel gears with helical teeth) 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 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 (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 systems 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 building permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of insight shafts to the planetary units, in addition to providing for a wide selection of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular construction technique of the planetary gear units may be the possibility to install a series of stages of different sizes in order to obtain a vast range of decrease 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 unit. The wide selection of output shafts and flanges simplifies the reduction unit mounting procedure 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 stronger 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 insight shaft with a more sturdy design.
Maximum torque ranking for PA30B improved from 4,166 to 4,500 ft.-lb. and improved gear reduction. The number of world 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 complement 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 occurs in analogy to the orbiting of the planets in the solar program. This is how planetary gears acquired their name.
The parts of a planetary gear train can be divided into four main constituents.
The housing with integrated internal teeth is known as a ring gear. In nearly all cases the casing is fixed. The traveling sun pinion is certainly in the center of the ring equipment, and is coaxially arranged in relation to the output. The sun pinion is usually attached to a clamping system in order to provide the mechanical connection to the engine shaft. During procedure, the planetary gears, which are mounted on a planetary carrier, roll between the sun 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 mandatory torque. The number of teeth has no effect on the tranny ratio of the gearbox. The amount of planets may also vary. As the number of planetary gears increases, the distribution of the load increases and therefore the torque that can be transmitted. Raising the number of tooth engagements also reduces the rolling power. Since only portion of the total result has to be transmitted as rolling power, a planetary gear is extremely efficient. The benefit of a planetary gear compared to a single spur gear is based on this load distribution. Hence, it is possible to transmit high torques wit
h high efficiency with a compact design using planetary gears.
Provided that the ring gear has a constant size, different ratios could be realized by varying the number of teeth of sunlight gear and the amount of tooth of the planetary gears. Small the sun equipment, the greater 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 obtained by connecting several planetary stages in series in the same ring gear. In this instance, we speak of multi-stage gearboxes.
With planetary gearboxes the speeds and torques could 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 grab the torque via the band equipment. 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 the positive properties and compact design, the gearboxes have 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
Suitable as planetary switching gear due to fixing this or that section of the gearbox
Possibility of use as overriding gearbox
Favorable volume output
Suitability for an array of applications1
Hot Tags: planetary equipment 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
Selection of input options
Straight in for an upon centerline adaptation providing a symmetrical clearance around the hydraulic motor input
Offset straight in enables the hydraulic electric motor be mounted off center
Right angle input techniques 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 up the many required output connections
An added output choice 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 is dependent 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)
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) will be 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 world renowned Ever-Power products; prestigiously designed to accept regular hydraulic motors, with the choice of a shaft input version suitable for a wide range of shaft, wheel and spindle drive applications.
A customer favourite from our planetary gear drives range may be the Ever-Power-speed, small, planetary wheel drive transmission; boasting low and high quickness functions and unbeatable long-life performance, well suited for winches and mobile tools.
With capacities which range from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions will be the leading solution for a number of commercial and mobile applications.
Ever-Power offers wide variety of Planetary Winch Drives which are Highly regular modular designed, Better in quality, Cost effective, Energy efficient, Low Noise, Long services life, Huge Radial Loading capability. We offer Winch with planetary gearboxes to your customers. Ever-Power manufactures customised gearboxes for material handling equipment.
We manufacture Electric Winches capacity ranges from 500 kg to 50000 Kg ( 0.5 Ton to 50 Ton ), Decrease 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 Speed – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electrical Motor (Brake Electric motor) and Hydraulic Electric motor and supplied with Steel 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 Managing Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical Industry, Food Industry, Structure Industry, Agricultural Market, Power Industry, Cellular Cranes and Over head Cranes etc
Beacon Electrical Winches are manufactured from excellent quality raw materials such as for example Alloy Steel EN8/EN9, EN19, EN24/42,EN36c,, 16 MnCr5, CrMo4, SAE8620, MnCr/20, MnCr5/Sobre353, Cast Steel 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 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 connected to the rotor and homes the gearbox, the power generator, the yaw system, and the control system. To make certain that the rotor axis is constantly aligned with the wind direction for maximum energy output, large wind turbines are equipped with a yaw system which allows the nacelle to adjust its position according to the direction and force of the wind. Nacelle rotation is managed by a yaw program, planetary gear device with electric brake engine, which is among Ever-Power s most well-known products. Each wind mill must have between two and six gear units, based on the size, and the engine could be electrical or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the insight aspect, or four or five-stage gear models from the yaw and pitch drive series are usually used. Output pinions could be integrated or inserted. Ever-Power is pleased with its quality assurance policy, including the Type Authorization Certificate from DNV.
Producer of planetary Pitch Drive, Planetary gear 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 many years of encounter 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 motor to sun gearboxes. The sun 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 usually part output shaft. Therefore when sunlight gearboxes rotates, it drives the three planetary Pitch Drive inside the ring gearboxes.
As planetary Pitch Drive rotate with carries and automatically the highest torque and stiffness for confirmed envelope. The other significant advantages are basic and efficient lubrication and a well balanced system at high speeds. The balanced planetary kinematics and the connected load posting makes the planetary-type gearboxes really ideal for servo applications.
Modular concept, allows us to after particularly short delivery time for gearboxes with a constantly high standard of quality whether your applications requires a reducer for motors, Let our term of engineers do the job.
PG planetary gear units are divided into 21 basic organizations depending on the various torques that should be transmitted to the output shaft, which can vary from 0,05 to 1 1.280 kNm. Actually, the product modular building permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of insight shafts to the planetary devices, as well as providing for a wide choice of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular construction technique of the planetary equipment units is the possibility to mount a series of levels of different sizes to be able to obtain a vast range of decrease 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 device. The wide selection 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 possess 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 reducing stress.
Gearbox comes with an updated insight 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.
