In a planetary gearbox, many teeth are engaged at once, that allows high speed reduction to be achieved with fairly small gears and lower inertia reflected back to the electric motor. Having multiple teeth discuss 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 do involve some disadvantages. Their complexity in design and manufacturing tends to make them a more expensive remedy than various other gearbox types. And precision manufacturing is extremely important for these gearboxes. If one planetary gear 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, therefore applications that run at very high speed or encounter continuous procedure may require cooling.
When utilizing a “standard” (i.e. inline) planetary gearbox, the motor and the powered equipment should be inline with each other, although manufacturers offer right-angle designs that integrate other gear sets (frequently bevel gears with helical teeth) 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 would depend on the drive configuration.
2 Max input speed related 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 (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 groups depending on the various torques that are to be transmitted to the output 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 variety of input shafts to the planetary products, as well as 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 gear units may be the possibility to install a series of stages of different sizes in order to get yourself a vast range of reduction ratios. The product 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 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 electric motor and planetary gearbox casing 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 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 improved 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.
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 takes place in analogy to the orbiting of the planets in the solar system. This is how planetary gears obtained their name.
The parts of a planetary gear train can be divided into four main constituents.
The housing with integrated internal teeth is actually a ring gear. In the majority of cases the housing is fixed. The driving sun pinion is certainly in the center of the ring equipment, and is coaxially arranged in relation to the output. Sunlight pinion is usually attached to a clamping system to be able to provide the mechanical link with the engine shaft. During operation, the planetary gears, which are mounted on a planetary carrier, roll between your sun pinion and the band gear. The planetary carrier also represents the result shaft of the gearbox.
The sole reason for the planetary gears is to transfer the mandatory torque. The number 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 load increases and then the torque which can be transmitted. Increasing the amount of tooth engagements also reduces the rolling power. Since only portion of the total output needs to be transmitted as rolling power, a planetary equipment is incredibly efficient. The benefit of a planetary gear compared to a single spur gear lies in this load distribution. Hence, it is possible to transmit high torques wit
h high efficiency with a compact style using planetary gears.
So long as the ring gear includes a constant size, different ratios could be realized by varying the number of teeth of sunlight gear and the number of tooth of the planetary gears. Small the sun gear, 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 little above and below these ratios. Higher ratios can be obtained by connecting several planetary phases 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 is not fixed but is driven in virtually any direction of rotation. It is also possible to repair the drive shaft in order to grab the torque via the band gear. Planetary gearboxes have grown to be extremely important in many regions 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 transmitting ratios can also easily be performed 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 due to 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 portion of the gearbox
Chance for 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, 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 upon centerline adaptation offering a symmetrical clearance about the hydraulic motor input
Offset straight in enables the hydraulic motor be mounted off center
Right angle input techniques 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 many required output connections
An added output option includes the result without exterior 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 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 (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 gear drives (epicyclic gears) will be 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 is the Ever-Power-velocity, compact, planetary wheel drive transmission; boasting low and high swiftness functions and unbeatable long-life performance, ideal for winches and mobile products.
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, Affordable, Energy efficient, Low Noise, Long service life, Huge Radial Loading capability. We offer Winch with planetary gearboxes to our customers. Ever-Power manufactures customised gearboxes for materials handling equipment.
We manufacture Electrical 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
• Insight 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 powered Motor (Brake Electric motor) and Hydraulic Electric motor and supplied with Steel Wire ropes and Control panel Beacon Winches are small, Foot mounted, Efficient, having high Load Carrying Capacity, reversible
Beacon Winches widely used in Planetary Gearboxes are widely used in Material Managing Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical Industry, Food Industry, Structure Industry, Agricultural Industry, Power Industry, Mobile Cranes and Over head Cranes etc
Beacon Electric Winches are produced from excellent quality raw material such as 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 systems 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 houses the gearbox, the electrical 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 adjust its position based on the direction and pressure of the wind. Nacelle rotation can be controlled by a yaw system, planetary gear device with electric brake electric motor, 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 motor could be electric or hydraulic. Two or three-stage gear units, coupled with a worm gearbox on the input 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 proud of its quality assurance plan, including the Type Authorization Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary gear 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 a long time of experience in planetary Pitch Drive, we produce very high quality planetary Pitch Drive with very competitive prices. planetary Pitch Drive have already 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 included within an internal toothed band gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier is definitely 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 effective lubrication and a well balanced system at high speeds. The balanced planetary kinematics and the connected load posting 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 regular of quality whether your applications takes a reducer for motors, Let our term of engineers work for you.
PG planetary gear products are divided into 21 basic groups depending on the various torques that are to 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 input shafts to the planetary systems, as well as providing for a wide selection of coupling flanges for hydraulic or electrical motors. Another advantage provided by the modular building technique of the planetary equipment units is the possibility to mount a series of levels of different sizes in order to obtain a vast range of decrease ratios. The product 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 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 electrical motors
New hydraulic motors have a higher-rated operating pressure and includes a larger and more durable motor-shaft seal.
New integral engine and planetary gearbox casing brings the planetary gear set nearer to the motor, increasing efficiency and reducing stress.
Gearbox comes with an updated input shaft with a far 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 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.
