Planetary Drive

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 electric motor. Having multiple teeth talk about the load also allows planetary gears to transmit high levels of torque. The mixture of compact size, huge speed decrease and high torque tranny makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes do have some disadvantages. Their complexity in style and manufacturing can make them a far more expensive option than various other gearbox types. And precision manufacturing is really important for these gearboxes. If one planetary equipment is put 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 heat dissipation more difficult, so applications that operate at very high speed or experience continuous operation may require cooling.
When using a “standard” (i.electronic. inline) planetary gearbox, the motor and the powered equipment must be inline with each other, although manufacturers offer right-angle designs that include other gear sets (frequently bevel gears with helical tooth) 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 is dependent on the drive configuration.
2 Max input speed related to ratio and max output 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)
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 units are split into 21 basic groupings 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. Actually, the product modular structure permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary units, as well as providing for a broad choice of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular building technique of the planetary gear units is the possibility to install a series of levels of different sizes in order to obtain a vast range of decrease ratios. The product range provides decrease 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 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 have a higher-rated operating pressure and includes a larger and stronger 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 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 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 surface, 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 external 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 obtained their name.
The components 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 the majority of cases the housing is fixed. The traveling sun pinion is usually in the heart of the ring equipment, and is coaxially arranged in relation to the output. Sunlight pinion is usually attached to a clamping system in order to provide the mechanical link with the engine shaft. During operation, the planetary gears, which are mounted on a planetary carrier, roll between the sunlight pinion and the band gear. The planetary carrier also represents the result 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 tranny ratio of the gearbox. The number of planets can also vary. As the number of planetary gears boosts, the distribution of the strain increases and then the torque which can be transmitted. Raising 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 extremely efficient. The benefit 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 design using planetary gears.
Provided that the ring gear includes a continuous size, different ratios could be realized by different the amount of teeth of the sun gear and the number of tooth of the planetary gears. Small the sun equipment, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is definitely approx. 3:1 to 10:1, because the planetary gears and sunlight gear are extremely small above and below these ratios. Higher ratios can be acquired by connecting a number of planetary stages in series in the same band 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’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 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 must be transmitted with favorable mass inertia ratio adaptation. High transmitting ratios may also easily be performed with planetary gearboxes. Because of the positive properties and small design, the gearboxes possess 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 due to combination of several planet stages
Ideal as planetary switching gear due to fixing this or that part 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, 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
Variety of input options
Straight in for an on centerline adaptation giving a symmetrical clearance about the hydraulic motor input
Offset straight in enables the hydraulic electric motor be mounted off center
Right angle input movements 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 interior 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 (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 equipment drives (epicyclic gears) will be the favoured choice for applications requiring a compact gear solution that’s capable of maintaining optimum high torque outputs.
We stock a comprehensive range of world 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 favourite from our planetary equipment drives range may be 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 apparatus.
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 standard modular designed, Better in quality, Cost effective, Energy conserving, Low Noise, Long service life, Large Radial Loading ability. We provide Winch with planetary gearboxes to your customers. Ever-Power manufactures customised gearboxes for materials handling equipment.
We manufacture Electric 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
• 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 Electrical Motor (Brake Motor) and Hydraulic Motor and supplied with Steel Wire ropes and Control panel Beacon Winches are compact, Foot mounted, Efficient, having high Load Carrying Capacity, reversible
Beacon Winches trusted in Planetary Gearboxes are trusted in Material Handling Equipments, Mechanical Industry, Sugars Industry, Cement Industry, Chemical substance Industry, Food Industry, Structure Industry, Agricultural Industry, Power Industry, Mobile Cranes and Over head Cranes etc
Beacon Electric Winches are produced from excellent 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 Steel 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 models from the yaw and pitch range are usually used to regulate blade pitch. The nacelle at the top of the tower is connected to the rotor and homes the gearbox, the electrical generator, the yaw program, and the control system. To make certain that the rotor axis is constantly aligned with the wind path for maximum energy output, 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 usually managed by a yaw program, 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 equipment units, depending on the size, and the motor could be electrical 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 usually used. Output pinions can be integrated or inserted. Ever-Power is usually proud of its quality assurance policy, including the Type Approval Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary gear reducer, Planetary geared electric motor, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david brown gearbox and so on.
Ever-Power have many years of experience in planetary Pitch Drive, we produce very high quality planetary Pitch Drive with extremely competitive prices. planetary Pitch Drive have been made for different transmission .
The energy is transmitted form the engine to sun gearboxes. The sun gearboxes drives three planetary Pitch Drive, which are included within an internal toothed ring gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier can be 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 carries and automatically the best torque and stiffness for confirmed envelope. The other significant advantages are basic and effective lubrication and a well balanced system at high speeds. The balanced planetary kinematics and the connected load sharing makes the planetary-type gearboxes truly ideal for servo applications.
Modular concept, we can after particularly brief delivery time for gearboxes with a constantly high regular of quality whether your applications takes a reducer for motors, Let our term of engineers do the job.
PG planetary gear systems 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 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 products, in addition to providing for a wide choice of coupling flanges for hydraulic or electric motors. Another advantage provided by the modular building technique of the planetary equipment units may be the possibility to install a series of phases 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 about the same stage device 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 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 electrical motors
New hydraulic motors possess 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, increasing efficiency and decreasing stress.
Gearbox comes with 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 increased from 3 to 5.
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.