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 electric motor. Having multiple teeth share the load also enables planetary gears to transmit high levels of torque. The combination of compact size, huge speed reduction and high torque tranny makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes do involve some disadvantages. Their complexity in style and manufacturing tends to make them a far more expensive answer than additional gearbox types. And precision production is really important for these gearboxes. If one planetary gear is positioned closer to the sun gear than the others, imbalances in the planetary gears may appear, resulting in premature wear and failing. Also, the compact footprint of planetary gears makes warmth dissipation more difficult, so applications that run at very high speed or encounter continuous procedure may require cooling.
When using a “standard” (i.electronic. inline) planetary gearbox, the motor and the powered equipment should be inline with each other, although manufacturers offer right-angle designs that include other gear sets (often bevel gears with helical the 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 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 groups depending on the different torques that should be transmitted to the result shaft, which can vary 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 number of input shafts to the planetary systems, as well as providing for a broad choice of coupling flanges for hydraulic or electrical motors. Another advantage offered by the modular building technique of the planetary gear units may be the possibility to attach a series of phases of different sizes to be able 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 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 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 more durable motor-shaft seal.
New integral engine and planetary gearbox housing brings the planetary gear set closer to the motor, increasing efficiency and decreasing stress.
Gearbox has an updated insight 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 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.
Within 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 one way 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 known as a ring gear. In nearly all cases the casing is fixed. The driving sun pinion can be 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 in order to provide the mechanical link with the engine shaft. During operation, the planetary gears, which are installed 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 amount of teeth has no effect on the tranny ratio of the gearbox. The number of planets may also vary. As the number of planetary gears boosts, the distribution of the strain increases and therefore the torque that can be transmitted. Increasing the amount of tooth engagements also decreases the rolling power. Since just area of the total result has to be transmitted as rolling power, a planetary gear is extremely efficient. The advantage of a planetary equipment compared to a single spur gear is based on 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 continuous size, different ratios could 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 definitely approx. 3:1 to 10:1, since the planetary gears and sunlight gear are extremely small above and below these ratios. Higher ratios can be obtained by connecting many planetary phases in series in the same band 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 virtually any direction of rotation. Additionally it is possible to fix 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 well established in areas where high output levels and fast speeds must be transmitted with favorable mass inertia ratio adaptation. High tranny ratios may also easily be achieved with planetary gearboxes. Because of their 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 due to mixture of several planet stages
Suitable as planetary switching gear because of fixing this or that area of the gearbox
Chance for use as overriding gearbox
Favorable volume output
Suitability for a wide variety 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
Variety of input options
Straight set for an on centerline adaptation offering a symmetrical clearance about the hydraulic motor input
Offset straight in allows the hydraulic electric motor be mounted off center
Right angle input movements 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 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’s capable of maintaining optimal high torque outputs.
We stock a thorough range of world renowned Ever-Power products; prestigiously made to accept standard hydraulic motors, with the choice of a shaft input version suitable for an array of shaft, wheel and spindle drive applications.
A customer preferred from our planetary equipment drives range is the Ever-Power-acceleration, compact, planetary wheel drive transmission; boasting low and high acceleration features and unbeatable long-life functionality, perfect for winches and mobile products.
With capacities ranging from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions will be 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 services life, Huge Radial Loading capability. We provide Winch with planetary gearboxes to your 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
Capacity – 2000Kg to 20000Kg
• Ratio: 3.6 : 1 to 8000 : 1
• Input Power- 0.5 HP to 50 H
• Input Swiftness – 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 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 Managing Equipments, Mechanical Industry, Sugars Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Sector, Power Industry, Cellular Cranes and Over head Cranes etc
Beacon Electrical Winches are produced from superior quality raw materials 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 Tranny planetary gearboxes are used on different component of wind energy plant: the rotor and the nacelle. Our slewing planetary gear products from the yaw and pitch range are normally used to regulate blade pitch. The nacelle near 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 ensure 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 change its position based on the direction and drive of the wind. Nacelle rotation is managed by a yaw system, planetary gear unit with electric brake engine, which is one of Ever-Power s most popular products. Each wind turbine must have between two and six gear units, based on the size, and the motor can be electrical or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the input side, or four or five-stage gear products from the yaw and pitch drive series are normally used. Output pinions could be included or inserted. Ever-Power is definitely proud of its quality assurance plan, including the Type Authorization Certificate from DNV.
Manufacturer 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 on.
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 already been designed 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 ring gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier can be 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 bears and automatically the highest torque and stiffness for confirmed envelope. The other significant advantages are basic and effective lubrication and a well balanced program at high speeds. The balanced planetary kinematics and the connected load sharing makes the planetary-type gearboxes really ideal for servo applications.
Modular concept, we can after particularly brief delivery time for gearboxes with a constantly high standard of quality whether your applications requires a reducer for motors, Let our term of engineers work for you.
PG planetary gear products are split into 21 basic groupings depending on the various torques that should be transmitted to the output shaft, which can vary from 0,05 to 1 1.280 kNm. In fact, the product modular building permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of insight shafts to the planetary products, along with 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 may be 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 selection of output shafts and flanges simplifies the decrease unit mounting operation on commercial 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 stronger motor-shaft seal.
New integral engine and planetary gearbox casing brings the planetary equipment set closer 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 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 match the application.