Planetary Drive

In a planetary gearbox, many teeth are involved at once, which allows high speed reduction to be performed with relatively small gears and lower inertia reflected back again to the engine. Having multiple teeth talk about the load also enables planetary gears to transmit high levels of torque. The mixture of compact size, large speed decrease and high torque transmitting makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes do involve some disadvantages. Their complexity in design and manufacturing can make them a more expensive remedy than additional gearbox types. And precision production 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 can occur, resulting in premature wear and failing. Also, the small footprint of planetary gears makes high temperature dissipation more difficult, therefore applications that run at very high speed or encounter continuous operation 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 provide 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 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)
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 products are split into 21 basic organizations depending on the different torques that should 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 insight shafts to the planetary units, along with providing for a broad selection of coupling flanges for hydraulic or electric motors. Another advantage provided by the modular construction technique of the planetary equipment units is the possibility to mount a series of stages 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 on a single stage device up to 10.000:1 and more on a 5 stage device. The wide selection of output shafts and flanges simplifies the decrease unit mounting operation 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 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 casing brings the planetary equipment set nearer to the motor, raising efficiency and decreasing 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 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.
Within 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 takes place in analogy to the orbiting of the planets in the solar system. This is one way planetary gears obtained their name.
The elements of a planetary gear train could be divided into four main constituents.
The housing with integrated internal teeth is known as a ring gear. In nearly all cases the housing is fixed. The traveling sun pinion is in the heart of the ring equipment, and is coaxially arranged with regards to the output. Sunlight pinion is usually mounted on a clamping system in order to provide the mechanical link with the motor shaft. During operation, the planetary gears, which are installed on a planetary carrier, roll between the sunlight pinion and the band 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 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 boosts, the distribution of the strain increases and then the torque that can be transmitted. Increasing the number of tooth engagements also reduces the rolling power. Since only portion of the total result needs to be transmitted as rolling power, a planetary equipment is extremely efficient. The benefit of a planetary gear compared to a single spur gear lies in this load distribution. It is therefore feasible to transmit high torques wit
h high efficiency with a compact style using planetary gears.
Provided that the ring gear has a constant size, different ratios can be realized by varying the number of teeth of the sun gear and the amount of teeth of the planetary gears. The smaller the sun equipment, the higher the ratio. Technically, a meaningful ratio range for a planetary stage is usually 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 several planetary levels in series in the same band gear. In this instance, we speak of multi-stage gearboxes.
With planetary gearboxes the speeds and torques can be overlaid by having a ring gear that is not fixed but is driven in virtually any direction of rotation. It is also possible to repair the drive shaft to be able to grab 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 must be transmitted with favorable mass inertia ratio adaptation. High tranny 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 advantages 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 portion 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, manufactured in China
Description
Planetary Gear Drive
Drive type: speed reducer
Output 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 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 elements on track drives
Output options
With external shaft includes keyed, flanged or spline options to meet up the various required output connections
An added output choice includes the output 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 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) are the favoured choice for applications requiring a concise gear solution that is capable of maintaining optimum high torque outputs.
We stock a thorough range of world renowned Ever-Power items; prestigiously designed to accept regular 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 gear drives range may be the Ever-Power-speed, compact, planetary wheel drive transmission; boasting low and high rate features and unbeatable long-life functionality, perfect for winches and mobile apparatus.
With capacities ranging from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions are the leading solution for a number of commercial and mobile applications.
Ever-Power offers wide selection of Planetary Winch Drives which are Highly regular modular designed, Better in quality, Affordable, Energy efficient, Low Noise, Long services life, Huge Radial Loading ability. 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 ), 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 Velocity – 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 Steel 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 Managing Equipments, Mechanical Industry, Glucose Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Sector, Power Industry, Mobile Cranes and Over head Cranes etc
Beacon Electrical Winches are manufactured from excellent quality raw material such as for example Alloy Steel EN8/EN9, EN19, EN24/42,EN36c,, 16 MnCr5, CrMo4, SAE8620, MnCr/20, MnCr5/Sobre353, Cast Metal 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 applied to different part of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment units from the yaw and pitch range are normally used to control blade pitch. The nacelle at the top of the tower is linked to the rotor and homes the gearbox, the electrical generator, the yaw system, and the control system. To make certain that the rotor axis is continually aligned with the wind direction for maximum energy output, large wind turbines include a yaw system that allows the nacelle to change its position based on the direction and pressure of the wind. Nacelle rotation is certainly managed by a yaw program, planetary gear device with electric brake electric motor, which is among Ever-Power s most well-known products. Each wind mill must have between two and six equipment units, based on the size, and the motor could be electrical or hydraulic. Two or three-stage gear units, coupled with a worm gearbox on the input aspect, or four or five-stage gear models from the yaw and pitch drive series are normally used. Output pinions could be included or inserted. Ever-Power is pleased with its quality assurance plan, including the Type Approval Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared electric motor, Epicyclic gearing, Planetary gearing, Gearboxes, may interchange and replace with brevini gearbox, david dark brown gearbox and so on.
Ever-Power have many years of encounter in planetary Pitch Drive, we produce very high quality planetary Pitch Drive with extremely competitive prices. planetary Pitch Drive have been created for different transmission .
The energy is transmitted form the motor to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are included in a internal toothed ring gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier is definitely part output shaft. So when the sun gearboxes rotates, it drives the three planetary Pitch Drive within 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 simple and efficient lubrication and a well 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 brief 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 units are divided into 21 basic groups depending on the various torques that should 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 variety of input shafts to the planetary units, along with providing for a wide selection 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 mount a series of phases of different sizes to be able to obtain a vast range of reduction ratios. The merchandise 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 device. The wide selection of result shafts and flanges simplifies the reduction 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 electric 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 nearer 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 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 match the application.

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