Planetary Drive

In a planetary gearbox, many teeth are engaged at once, which allows high speed reduction to be performed with fairly small gears and lower inertia reflected back again to the engine. Having multiple teeth reveal the load also enables planetary gears to transmit high degrees of torque. The combination of compact size, large speed decrease and high torque tranny makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes perform have some disadvantages. Their complexity in style and manufacturing can make them a more expensive alternative than various other gearbox types. And precision manufacturing is extremely important for these gearboxes. If one planetary equipment is positioned closer to sunlight gear compared to the others, imbalances in the planetary gears can occur, leading to premature wear and failing. Also, the compact footprint of planetary gears makes warmth dissipation more difficult, so applications that operate at high speed or experience continuous procedure may require cooling.
When using a “standard” (i.electronic. inline) planetary gearbox, the motor and the driven equipment must be inline with each other, although manufacturers offer right-angle designs that include other gear sets (often bevel gears with helical tooth) 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 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 electric motor input SAE C or D hydraulic
PG planetary gear devices are split into 21 basic groups depending on the different 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 construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of input shafts to the planetary systems, as well as providing for a wide choice of coupling flanges for hydraulic or electric motors. Another advantage provided by the modular construction technique of the planetary gear units is the possibility to install a series of phases 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 unit up to 10.000:1 and more on a 5 stage unit. The wide selection of result 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 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 more durable motor-shaft seal.
New integral electric motor and planetary gearbox housing brings the planetary equipment set closer to the motor, increasing efficiency and decreasing stress.
Gearbox has 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 reduction. The number of world 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 operate 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 program. This is one way planetary gears obtained their name.
The parts of a planetary gear train could be split 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 definitely in the center of the ring equipment, and is coaxially arranged in relation to the output. The sun pinion is usually mounted on a clamping system in order to provide the mechanical connection to the engine shaft. During operation, the planetary gears, which are mounted on a planetary carrier, roll between your sun pinion and the band 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 tranny ratio of the gearbox. The amount of planets may also vary. As the number of planetary gears increases, the distribution of the strain increases and then the torque which can be transmitted. Increasing the number of tooth engagements also reduces the rolling power. Since only part of the total output 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 lies in this load distribution. It is therefore feasible to transmit high torques wit
h high efficiency with a compact design using planetary gears.
Provided that the ring gear has a continuous size, different ratios could be realized by varying the number of teeth of the sun gear and the number of the 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, since the planetary gears and sunlight gear are extremely little above and below these ratios. Higher ratios can be acquired by connecting many 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 could be overlaid by having a ring gear that is not fixed but is driven in virtually any direction of rotation. Additionally it is possible to repair the drive shaft to be able to pick up the torque via the ring gear. Planetary gearboxes have grown to be extremely important in lots of regions of mechanical engineering.
They have become particularly more developed 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 small design, the gearboxes have 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
Appropriate as planetary switching gear due to fixing this or that area 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, producers, 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 motor be mounted off center
Right angle input moves 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 various required output connections
An added output option includes the result 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 linked 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 (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 concise gear solution that is capable of maintaining optimum high torque outputs.
We stock a thorough range of globally renowned Ever-Power products; prestigiously designed 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 favourite from our planetary equipment drives range may be the Ever-Power-rate, small, planetary wheel drive transmission; boasting low and high quickness functions and unbeatable long-life performance, well suited for winches and mobile equipment.
With capacities which range from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions are the leading solution for a variety of commercial 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 provider life, Large Radial Loading capability. We provide 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 ), Reduction 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 Rate – 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 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 trusted in Material Handling Equipments, Mechanical Industry, Sugars Industry, Cement Industry, Chemical Industry, Food Industry, Construction Industry, Agricultural Market, Power Industry, Cellular Cranes and Over mind Cranes etc
Beacon Electric 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 Steel 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 applied to different part of wind energy plant: the rotor and the nacelle. Our slewing planetary gear units from the yaw and pitch range are usually 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 sure that the rotor axis is constantly aligned with the wind direction for maximum energy result, large wind turbines are equipped with a yaw system that allows the nacelle to adapt its position based on the direction and push of the wind. Nacelle rotation can be managed by a yaw system, planetary gear device with electric brake engine, which is among Ever-Power s most popular products. Each wind turbine must have between two and six gear units, depending on the size, and the engine can 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 products from the yaw and pitch drive series are usually used. Output pinions can be integrated or inserted. Ever-Power can be pleased with its quality assurance plan, including the Type Authorization Certificate from DNV.
Producer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared electric motor, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david brownish gearbox and so forth.
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 created for different transmission .
The energy is transmitted form the 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 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 bears and automatically the highest torque and stiffness for confirmed envelope. The additional significant advantages are basic and efficient lubrication and a well balanced program at high speeds. The balanced planetary kinematics and the connected load posting makes the planetary-type gearboxes really perfect for servo applications.
Modular concept, allows us to 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 work for you.
PG planetary gear devices are divided into 21 basic organizations 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. In fact, the product modular structure permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary devices, in addition to providing for a wide choice of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular building technique of the planetary equipment units is the possibility to mount a series of phases of different sizes in order to get yourself a vast range of reduction ratios. The merchandise range provides decrease ratios from 3:1 to 7:1 on a single stage unit up to 10.000:1 and more on a 5 stage device. The wide range 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 at least one 1.280 kNm
– Coupling flanges for hydraulic or electrical motors
New hydraulic motors possess 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 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 improved from 4,166 to 4,500 ft.-lb. and improved gear reduction. The number of world 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.