Planetary Drive

In a planetary gearbox, many teeth are engaged at once, that allows high speed reduction to be performed with fairly small gears and lower inertia reflected back to the motor. Having multiple teeth share the load also allows planetary gears to transmit high levels of torque. The combination of compact size, huge speed reduction and high torque transmitting makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in design and manufacturing tends to make them a far more expensive option than various other gearbox types. And precision manufacturing is extremely important for these gearboxes. If one planetary equipment is put closer to the sun gear compared to the others, imbalances in the planetary gears can occur, resulting in premature wear and failing. Also, the compact footprint of planetary gears makes warmth dissipation more difficult, so applications that run at high speed or experience continuous operation 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 the 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 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 engine input SAE C or D hydraulic
PG planetary gear products are split into 21 basic groups depending on the various torques that are to be transmitted to the output shaft, which can change from 0,05 to at least one 1.280 kNm. Actually, the product modular building permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of input shafts to the planetary models, and also providing for a broad choice of coupling flanges for hydraulic or electrical motors. Another advantage offered by the modular structure technique of the planetary equipment units is the possibility to attach a series of stages of different sizes to be able to get yourself a vast range of reduction 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 device. The wide selection of output 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 electric motors
New hydraulic motors have 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 nearer to the motor, increasing efficiency and decreasing 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 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 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 gear occurs 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 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 driving sun pinion is certainly in the center of the ring equipment, and is coaxially arranged with regards to the output. The sun pinion is usually mounted on a clamping system to be able to offer the mechanical connection to the electric motor shaft. During operation, the planetary gears, which are installed on a planetary carrier, roll between the sun pinion and the ring gear. The planetary carrier also represents the result shaft of the gearbox.
The sole reason for the planetary gears is to transfer the required torque. The number of teeth has no effect on the transmitting ratio of the gearbox. The amount of planets can also vary. As the number of planetary gears improves, the distribution of the load increases and therefore the torque which can be transmitted. Increasing the amount of tooth engagements also decreases the rolling power. Since just portion of the total result needs to be transmitted as rolling power, a planetary equipment is incredibly efficient. The advantage of a planetary equipment 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 concise design using planetary gears.
So long as the ring gear has a constant size, different ratios could be realized by various the number of teeth of sunlight 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 can be approx. 3:1 to 10:1, because the planetary gears and the sun gear are extremely small above and below these ratios. Higher ratios can be acquired by connecting several planetary phases in series in the same ring gear. In this instance, we talk about multi-stage gearboxes.
With planetary gearboxes the speeds and torques can be overlaid by having a band gear that’s not set but is driven in any direction of rotation. It is also possible to fix the drive shaft in order to pick up the torque via the band gear. Planetary gearboxes have grown to be extremely important in lots of regions of mechanical engineering.
They have become particularly well established in areas where high output levels and fast speeds should be transmitted with favorable mass inertia ratio adaptation. High transmission ratios may also easily be achieved with planetary gearboxes. Because of the positive properties and compact design, the gearboxes have many potential uses in commercial applications.
The benefits of planetary gearboxes:
Coaxial arrangement of input shaft and output shaft
Load distribution to many planetary gears
High efficiency due to low rolling power
Almost unlimited transmission ratio options due to combination of several planet stages
Suitable as planetary switching gear because of fixing this or that portion 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
Output torque: 33,895 Nm (25,000 lb-ft)
Max input speed: 2800 rpm
Features
Variety of input options
Straight in for an upon centerline adaptation giving a symmetrical clearance about the hydraulic motor input
Offset straight in allows the hydraulic motor be mounted off center
Right angle input moves 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 the various required output connections
An added output choice includes the output without external 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 is dependent on the drive configuration.
2 Max input speed linked to ratio and max result 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)
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 is capable of maintaining optimal high torque outputs.
We stock a comprehensive range of world renowned Ever-Power products; prestigiously made to accept standard hydraulic motors, with the choice of a shaft insight version suitable for a wide selection of shaft, wheel and spindle drive applications.
A customer preferred from our planetary gear drives range is the Ever-Power-swiftness, small, planetary wheel drive transmission; boasting low and high quickness functions and unbeatable long-life performance, perfect for winches and mobile apparatus.
With capacities ranging from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions are the leading solution for a number 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 efficient, Low Noise, Long assistance life, Large Radial Loading ability. 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
Capability – 2000Kg to 20000Kg
• Ratio: 3.6 : 1 to 8000 : 1
• Input Power- 0.5 HP to 50 H
• Input Quickness – 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 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, Glucose Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Industry, Power Industry, Mobile Cranes and Over mind Cranes etc
Beacon Electrical Winches are produced from excellent quality raw material 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 Tranny planetary gearboxes are used on different component of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment units from the yaw and pitch range are usually used to control blade pitch. The nacelle near the top of the tower is linked to the rotor and houses the gearbox, the electrical generator, the yaw program, 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 which allows the nacelle to modify its position based on the direction and force of the wind. Nacelle rotation is usually controlled by a yaw program, planetary gear device with electric brake electric motor, which is among Ever-Power s most well-known products. Each wind turbine must have between two and six equipment units, depending on the size, and the engine can be electrical or hydraulic. Two or three-stage gear units, coupled with a worm gearbox on the insight aspect, or four or five-stage gear units from the yaw and pitch drive series are normally used. Output pinions can be integrated or inserted. Ever-Power can be pleased with its quality assurance policy, including the Type Authorization Certificate from DNV.
Producer 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 very competitive prices. planetary Pitch Drive have already been designed for different transmission .
The energy is transmitted form the motor to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are contained in a internal toothed band gearboxes. The planetary Pitch Drive are installed on the planetary carrier. The planetary carrier is part output shaft. Therefore when the sun gearboxes rotates, it drives the three planetary Pitch Drive in the ring gearboxes.
As planetary Pitch Drive rotate with carries and automatically the highest torque and stiffness for a given envelope. The additional significant advantages are basic and effective lubrication and a balanced system at high speeds. The balanced planetary kinematics and the linked load posting makes the planetary-type gearboxes truly ideal for servo applications.
Modular concept, we can 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 systems are split into 21 basic groupings depending on the various torques that should be transmitted to the result shaft, which can change 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 number of input shafts to the planetary systems, in addition to providing for a broad choice of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular construction technique of the planetary equipment units may be the possibility to mount a series of levels 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 about the same stage device 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 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 powered 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 gear set closer to the motor, increasing efficiency and decreasing stress.
Gearbox comes with 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 planet 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 match the application.