In a planetary gearbox, many teeth are involved at once, which allows high speed reduction to be achieved with fairly small gears and lower inertia reflected back again to the electric motor. Having multiple teeth reveal the load also allows planetary gears to transmit high levels of torque. The combination of compact size, huge speed decrease and high torque tranny makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in style and manufacturing tends to make them a far more expensive option than additional gearbox types. And precision manufacturing is really important for these gearboxes. If one planetary gear is positioned closer to sunlight gear than the others, imbalances in the planetary gears may appear, leading to premature wear and failing. Also, the compact footprint of planetary gears makes temperature dissipation more difficult, therefore applications that operate at high speed or encounter continuous operation may require cooling.
When utilizing a “standard” (i.e. inline) planetary gearbox, the motor and the driven equipment must be inline with each other, although manufacturers provide right-angle designs that integrate 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 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 devices are divided into 21 basic groupings depending on the different torques that are to be transmitted to the output shaft, which can vary from 0,05 to at least one 1.280 kNm. Actually, the product modular structure permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of insight shafts to the planetary products, in addition to providing for a wide choice of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular structure technique of the planetary equipment units is the possibility to install a series of levels 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 about the same stage unit up to 10.000:1 and more on a 5 stage device. The wide range 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 1 1.280 kNm
– Coupling flanges for hydraulic or electric 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, raising 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 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.
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 external teeth on a concentric orbit. The circulation of the spur gear takes place in analogy to the orbiting of the planets in the solar program. This is one way planetary gears obtained their name.
The components of a planetary gear train can be divided into four main constituents.
The housing with integrated internal teeth is known as a ring gear. In the majority of cases the casing is fixed. The driving sun pinion is in the center of the ring equipment, and is coaxially organized in relation to the output. The sun pinion is usually attached to a clamping system to be able to provide the mechanical connection to the engine shaft. During procedure, the planetary gears, which are mounted on a planetary carrier, roll between your sun pinion and the ring gear. 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 does not have any effect on the transmitting ratio of the gearbox. The number of planets may also vary. As the amount of planetary gears raises, the distribution of the strain increases and therefore the torque which can be transmitted. Increasing the number of tooth engagements also reduces the rolling power. Since only portion of the total output has to be transmitted as rolling power, a planetary equipment is extremely efficient. The benefit of a planetary equipment compared to an individual spur gear is based on this load distribution. It is therefore possible to transmit high torques wit
h high efficiency with a concise style using planetary gears.
So long as the ring gear has a continuous size, different ratios could be realized by various the number of teeth of sunlight gear and the amount of teeth of the planetary gears. Small the sun gear, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is definitely approx. 3:1 to 10:1, since the planetary gears and the sun gear are extremely small above and below these ratios. Higher ratios can be obtained by connecting several planetary levels in series in the same ring gear. In this case, we speak of multi-stage gearboxes.
With planetary gearboxes the speeds and torques can be overlaid by having a ring gear that is 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 band equipment. Planetary gearboxes have become extremely important in lots of regions of mechanical engineering.
They have become particularly well established in areas where high output levels and fast speeds must be transmitted with favorable mass inertia ratio adaptation. High transmitting ratios can also easily be performed with planetary gearboxes. Because of their positive properties and compact 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 several planetary gears
High efficiency because of low rolling power
Almost unlimited transmission ratio options due to combination of several planet stages
Ideal 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 selection 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
Selection of input options
Straight set for an upon centerline adaptation giving a symmetrical clearance around the hydraulic motor input
Offset straight in allows the hydraulic electric motor be mounted off center
Right angle input moves 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 the various required output connections
An added output choice includes the result without exterior 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 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 engine inputSAE C or D
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Planetary gear drives (epicyclic gears) will be the favoured choice for applications requiring a concise gear solution that’s capable of maintaining ideal high torque outputs.
We stock a comprehensive range of world renowned Ever-Power products; prestigiously made 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 equipment drives range is the Ever-Power-acceleration, small, planetary wheel drive transmission; boasting low and high acceleration functions and unbeatable long-life functionality, ideal for winches and mobile gear.
With capacities which range from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions will be the leading solution for a variety of commercial 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 provider life, Huge Radial Loading ability. We offer Winch with planetary gearboxes to our 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 Speed – 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 Engine 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 Handling Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical substance Industry, Food Industry, Construction Industry, Agricultural Industry, Power Industry, Mobile Cranes and Over head Cranes etc
Beacon Electrical Winches are produced from excellent quality raw material such as for example Alloy Steel EN8/Sobre9, EN19, EN24/42,EN36c,, 16 MnCr5, CrMo4, SAE8620, MnCr/20, MnCr5/Sobre353, 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 Transmitting planetary gearboxes are used on different component of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment models from the yaw and pitch range are usually used to regulate 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 program. To make sure that the rotor axis is continually aligned with the wind path for maximum energy output, large wind turbines are equipped with a yaw system which allows the nacelle to adjust its position according to the direction and force of the wind. Nacelle rotation is definitely managed by a yaw system, planetary gear device with electric brake motor, which is among Ever-Power s most popular products. Each wind mill 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, coupled with a worm gearbox on the input side, or four or five-stage gear models from the yaw and pitch drive series are usually used. Output pinions could be included or inserted. Ever-Power is definitely proud of its quality assurance policy, including the Type Approval Certificate from DNV.
Producer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared engine, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david brown gearbox and so on.
Ever-Power have many years of experience 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 electric motor to sun gearboxes. The sun gearboxes drives three planetary Pitch Drive, which are contained within an internal toothed band gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier is part output shaft. Therefore when sunlight 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 a given envelope. The other significant advantages are simple and efficient lubrication and a balanced system at high speeds. The well balanced planetary kinematics and the linked load sharing makes the planetary-type gearboxes really well suited for servo applications.
Modular concept, allows us to after particularly brief 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 divided 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 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 models, as well as providing for a broad selection of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular structure technique of the planetary equipment units may be the possibility to attach a series of phases of different sizes to be able to obtain 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 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 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 electric motor and planetary gearbox housing 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 reduction. 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 floor, 18-36 in, tree and shrub, and 9- or 12-in. rock to complement the application.