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 motor. Having multiple teeth reveal the load also enables planetary gears to transmit high levels of torque. The mixture of compact size, large speed reduction and high torque tranny makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes do have some disadvantages. Their complexity in design and manufacturing tends to make them a more expensive option than various other gearbox types. And precision manufacturing is extremely 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 failure. Also, the compact footprint of planetary gears makes temperature dissipation more difficult, therefore applications that operate at very high speed or experience continuous operation may require cooling.
When using a “standard” (i.e. inline) planetary gearbox, the motor and the powered equipment must be inline with each other, although manufacturers provide right-angle designs that incorporate other gear sets (often 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 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 (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 motor input SAE C or D hydraulic
PG planetary gear units are divided into 21 basic groups depending on the different torques that are to be transmitted to the result 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 insight shafts to the planetary systems, and also providing for a broad choice of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular building technique of the planetary gear 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 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 decrease unit mounting procedure on industrial 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 possess a higher-rated operating pressure and includes a larger and stronger motor-shaft seal.
New integral motor and planetary gearbox housing brings the planetary equipment set nearer to the motor, increasing efficiency and decreasing stress.
Gearbox has an updated insight shaft with a more sturdy design.
Maximum torque rating 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 complement 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 external teeth on a concentric orbit. The circulation of the spur equipment occurs in analogy to the orbiting of the planets in the solar program. This is how planetary gears obtained their name.
The parts of a planetary gear train can be split into four main constituents.
The housing with integrated internal teeth is actually a ring gear. In nearly all cases the casing is fixed. The driving sun pinion is in the heart of the ring equipment, and is coaxially arranged with regards to the output. The sun pinion is usually attached to a clamping system in order to provide the mechanical link with the engine shaft. During procedure, the planetary gears, which are mounted on a planetary carrier, roll between your sunlight pinion and the ring equipment. The planetary carrier also represents the output shaft of the gearbox.
The sole purpose of the planetary gears is to transfer the required 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 raises, the distribution of the load increases and then the torque that can be transmitted. Raising the amount of tooth engagements also reduces the rolling power. Since only part of the total result needs to be transmitted as rolling power, a planetary equipment is incredibly efficient. The benefit of a planetary equipment compared to a single spur gear is based on this load distribution. It is therefore possible to transmit high torques wit
h high efficiency with a compact style using planetary gears.
So long as the ring gear includes a continuous size, different ratios can be realized by different the number of teeth of sunlight gear and the amount 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 certainly 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 a number of planetary levels in series in the same ring gear. In this case, 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. 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 many areas 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 transmitting ratios can also easily be achieved with planetary gearboxes. Because of their positive properties and small design, the gearboxes possess 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 due to low rolling power
Almost unlimited transmission ratio options because of 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 a wide range of applications1
Hot Tags: planetary equipment drive, China, suppliers, producers, 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 set for an on centerline adaptation giving a symmetrical clearance around the hydraulic motor input
Offset straight in enables the hydraulic engine be mounted off center
Right angle input movements 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 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 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)
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 equipment drives (epicyclic gears) are the favoured choice for applications requiring a concise gear solution that is capable of maintaining ideal high torque outputs.
We stock a thorough range of world renowned Ever-Power items; prestigiously designed to accept standard 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 gear drives range is the Ever-Power-rate, small, planetary wheel drive transmission; boasting low and high quickness functions and unbeatable long-life overall performance, 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 industrial and mobile applications.
Ever-Power offers wide range of Planetary Winch Drives which are Highly regular modular designed, Better in quality, Affordable, Energy conserving, Low Noise, Long support life, Large Radial Loading ability. We provide Winch with planetary gearboxes to our 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 ), 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 Rate – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electric Motor (Brake Motor) and Hydraulic Motor and supplied with Metal Wire ropes and Control panel Beacon Winches are compact, Foot mounted, Efficient, having high Load Carrying Capability, reversible
Beacon Winches trusted in Planetary Gearboxes are widely used in Material Handling Equipments, Mechanical Industry, Sugars Industry, Cement Industry, Chemical Industry, Food Industry, Construction Industry, Agricultural Market, Power Industry, Cellular Cranes and Over head Cranes etc
Beacon Electric Winches are produced from excellent quality raw materials such as for example Alloy Steel EN8/Sobre9, 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 Transmitting planetary gearboxes are used on different part of wind energy plant: the rotor and the nacelle. Our slewing planetary gear 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 houses the gearbox, the power generator, the yaw program, and the control program. To make certain that the rotor axis is constantly aligned with the wind direction for maximum energy result, large wind turbines include a yaw system which allows the nacelle to change its position according to the direction and push of the wind. Nacelle rotation is certainly managed by a yaw program, planetary gear unit with electric brake motor, which is among Ever-Power s most well-known products. Each wind turbine must have between two and six gear units, based on the size, and the motor can be electric or hydraulic. Two or three-stage gear units, coupled with a worm gearbox on the input side, or four or five-stage gear models from the yaw and pitch drive series are normally used. Output pinions could be built-in or inserted. Ever-Power is certainly proud of its quality assurance plan, including the Type Acceptance Certificate from DNV.
Producer of planetary Pitch Drive, Planetary gear reducer, Planetary geared electric motor, Epicyclic gearing, Planetary gearing, Gearboxes, may interchange and replace with brevini gearbox, david brownish gearbox and so forth.
Ever-Power have a long time 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. Sunlight gearboxes drives three planetary Pitch Drive, which are contained within an internal toothed ring gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier can be part output shaft. Therefore when sunlight gearboxes rotates, it drives the three planetary Pitch Drive within the ring gearboxes.
As planetary Pitch Drive rotate with bears and automatically the best torque and stiffness for a given envelope. The additional significant advantages are simple and efficient lubrication and a 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, allows us to after particularly short delivery time for gearboxes with a constantly high regular of quality whether your applications requires a reducer for motors, Let our term of engineers do the job.
PG planetary gear systems are divided into 21 basic groups depending on the different torques that should be transmitted to the result 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 insight shafts to the planetary units, and also providing for a wide selection of coupling flanges for hydraulic or electric powered motors. Another advantage provided by the modular structure technique of the planetary gear units is the possibility to mount a series of levels of different sizes to be able to get yourself a vast range of reduction ratios. The merchandise range provides decrease ratios from 3:1 to 7:1 about the same stage unit up to 10.000:1 and more on a 5 stage device. The wide range 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 1 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 engine and planetary gearbox housing 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 rating for PA30B increased 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 floor, 18-36 in, tree and shrub, and 9- or 12-in. rock to match the application.
