Planetary Drive

In a planetary gearbox, many teeth are involved at once, that allows high speed decrease to be achieved with relatively small gears and lower inertia reflected back to the electric motor. Having multiple teeth reveal the load also enables planetary gears to transmit high levels of torque. The mixture of compact size, huge speed decrease and high torque transmission makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in design and manufacturing can make them a more expensive solution than various other gearbox types. And precision manufacturing 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 may appear, resulting in premature wear and failing. Also, the small footprint of planetary gears makes warmth dissipation more difficult, therefore applications that run at very high speed or experience continuous operation 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 (often bevel gears with helical teeth) to supply 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 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 motor input SAE C or D hydraulic
PG planetary gear systems are divided into 21 basic organizations depending on the various torques that should be transmitted to the output shaft, which can change from 0,05 to at least one 1.280 kNm. Actually, the product modular construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of insight shafts to the planetary models, along with providing for a broad choice of coupling flanges for hydraulic or electric powered motors. Another advantage provided by the modular construction technique of the planetary equipment units may be the possibility to mount a series of stages 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 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 at least one 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 engine and planetary gearbox housing brings the planetary gear set closer to the motor, increasing efficiency and reducing stress.
Gearbox comes with 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 world gears in the PA30B gearbox increased from three to five.
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 match the application.
Within 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 takes place in analogy to the orbiting of the planets in the solar system. This is how planetary gears acquired 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 casing is fixed. The driving sun pinion is in the center 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 offer the mechanical connection to the motor shaft. During operation, the planetary gears, which are mounted on a planetary carrier, roll between the sun pinion and the ring equipment. 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 amount of teeth has no effect on the transmitting ratio of the gearbox. The number of planets may also vary. As the number of planetary gears raises, the distribution of the load increases and therefore the torque which can be transmitted. Increasing the number of tooth engagements also decreases the rolling power. Since only area of the total result needs to be transmitted as rolling power, a planetary equipment is extremely efficient. The advantage of a planetary equipment compared to an individual spur gear is based on 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 includes a continuous size, different ratios can be realized by various the number of teeth of the sun gear and the number of tooth of the planetary gears. The smaller the sun gear, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is approx. 3:1 to 10:1, because the planetary gears and the sun gear are extremely little above and below these ratios. Higher ratios can be obtained by connecting a number of planetary phases in series in the same ring gear. In cases like this, we speak of multi-stage gearboxes.
With planetary gearboxes the speeds and torques could be overlaid by having a band gear that’s not fixed but is driven in virtually any direction of rotation. Additionally it is possible to fix the drive shaft to be able to grab the torque via the ring 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 transmission ratios can also easily be achieved with planetary gearboxes. Because of their positive properties and small 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
Almost unlimited transmission ratio options due to mixture of several planet stages
Suitable as planetary switching gear because of fixing this or that part of the gearbox
Possibility of use as overriding gearbox
Favorable volume output
Suitability for a wide variety of applications1
Hot Tags: planetary equipment drive, China, suppliers, producers, factory, wholesale, buy, made 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
Variety of input options
Straight set for an on centerline adaptation providing a symmetrical clearance about the hydraulic motor input
Offset straight in allows the hydraulic motor be mounted off center
Right angle input movements 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 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 (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 gear drives (epicyclic gears) are the favoured choice for applications requiring a compact gear solution that’s capable of maintaining ideal high torque outputs.
We stock a thorough range of world renowned Ever-Power items; prestigiously made to accept regular hydraulic motors, with the option of a shaft insight version suitable for an array of shaft, wheel and spindle drive applications.
A customer preferred from our planetary gear drives range may be the Ever-Power-velocity, compact, planetary wheel drive transmission; boasting low and high swiftness functions and unbeatable long-life efficiency, perfect for winches and mobile tools.
With capacities ranging 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 selection of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Affordable, Energy efficient, Low Noise, Long service life, Large Radial Loading ability. 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
• 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 powered 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 Capability, reversible
Beacon Winches widely used in Planetary Gearboxes are widely used in Material Managing Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical substance Industry, Food Industry, Structure Industry, Agricultural Sector, Power Industry, Mobile Cranes and Over mind Cranes etc
Beacon Electrical Winches are produced from superior 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 Steel and Hardened Steel.
Ever-Power Transmitting planetary gearboxes are applied to different part of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment systems from the yaw and pitch range are normally used to control blade pitch. The nacelle near 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 ensure 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 change its position based on the direction and force of the wind. Nacelle rotation is certainly controlled by a yaw program, planetary gear unit with electric brake motor, which is one of Ever-Power s most popular products. Each wind turbine will need to have between two and six equipment units, depending on the size, and the motor can be electrical or hydraulic. Two or three-stage gear units, coupled with a worm gearbox on the insight part, or four or five-stage gear devices from the yaw and pitch drive series are normally used. Output pinions can be built-in or inserted. Ever-Power can be pleased with its quality assurance policy, including the Type Approval Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary gear reducer, Planetary geared 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 good quality planetary Pitch Drive with very 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 included in a internal toothed ring gearboxes. The planetary Pitch Drive are installed on the planetary carrier. The planetary carrier is usually 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 highest torque and stiffness for a given envelope. The various other significant advantages are basic and efficient lubrication and a well balanced program at high speeds. The balanced planetary kinematics and the linked load sharing 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 takes a reducer for motors, Let our term of engineers work for you.
PG planetary gear models are split into 21 basic organizations depending on the various torques that should be transmitted to the result shaft, which can change from 0,05 to 1 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 models, in addition to providing for a wide selection of coupling flanges for hydraulic or electrical motors. Another advantage provided by the modular structure technique of the planetary gear units may be the possibility to attach a series of phases of different sizes in order to obtain a vast range of reduction 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 unit. 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 at least one 1.280 kNm
– Coupling flanges for hydraulic or electric motors
New hydraulic motors possess a higher-rated operating pressure and includes a larger and stronger motor-shaft seal.
New integral motor and planetary gearbox casing brings the planetary equipment set closer to the motor, raising efficiency and reducing stress.
Gearbox has 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 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 match the application.

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