In a planetary gearbox, many teeth are involved at once, which allows high speed decrease to be achieved with relatively small gears and lower inertia reflected back again to the motor. Having multiple teeth talk about the load also allows planetary gears to transmit high levels of torque. The combination of compact size, large speed reduction 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 can make them a more expensive answer than additional gearbox types. And precision manufacturing is really important for these gearboxes. If one planetary gear is put closer to sunlight gear than the others, imbalances in the planetary gears can occur, resulting in premature wear and failure. Also, the compact footprint of planetary gears makes temperature dissipation more difficult, therefore applications that run at very high speed or experience continuous procedure 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 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 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)
Approximate dry weight100 -181 kg (220 – 400 lb)4
Radial load (max)14,287kg (31,500 lb)3
Drive typeSpeed reducer
Hydraulic electric motor input SAE C or D hydraulic
PG planetary gear systems are split into 21 basic groups depending on the different torques that are to be transmitted to the result shaft, which can change from 0,05 to 1 1.280 kNm. In fact, the product modular construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary devices, in addition to providing for a wide choice of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular building technique of the planetary equipment units may be the possibility to install a series of phases of different sizes in order to obtain a vast range of reduction 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 range of output shafts and flanges simplifies the reduction unit mounting operation 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 electrical motors
New hydraulic motors possess 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 nearer to the motor, increasing efficiency and decreasing stress.
Gearbox comes with 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 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.
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 exterior teeth on a concentric orbit. The circulation of the spur gear occurs in analogy to the orbiting of the planets in the solar system. This is how planetary gears obtained their name.
The components of a planetary gear train could be split 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 traveling sun pinion is definitely in the center of the ring gear, and is coaxially organized in relation to the output. The sun pinion is usually attached to a clamping system in order to offer the mechanical link with the electric motor shaft. During procedure, the planetary gears, which are mounted on a planetary carrier, roll between the sunlight 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 transmitting ratio of the gearbox. The number of planets may also vary. As the number of planetary gears increases, the distribution of the strain increases and then the torque that can be transmitted. Raising 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 extremely efficient. The advantage of a planetary gear compared to an individual spur gear lies in this load distribution. Hence, it is possible 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 can be realized by various the number of teeth of the sun gear and the number of tooth of the planetary gears. The smaller the sun equipment, the higher the ratio. Technically, a meaningful ratio range for a planetary stage is 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 acquired by connecting many planetary phases in series in the same ring gear. In this case, we speak of multi-stage gearboxes.
With planetary gearboxes the speeds and torques could be overlaid by having a band gear that’s not fixed but is driven in any direction of rotation. It is also possible to fix the drive shaft in order to grab the torque via the band gear. 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 the positive properties and compact 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 combination of several planet stages
Suitable as planetary switching gear because of fixing this or that portion of the gearbox
Possibility of use as overriding gearbox
Favorable volume output
Suitability for an array of applications1
Hot Tags: planetary equipment drive, China, suppliers, manufacturers, 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 in for an on centerline adaptation giving a symmetrical clearance around the hydraulic motor input
Offset straight in enables the hydraulic motor be mounted off center
Right angle input moves the hydraulic electric motor perpendicular to the centerline of the planetary drive for added clearance between parts 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 choice includes the result without external shaft by offering 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 electric motor inputSAE C or D
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Planetary gear drives (epicyclic gears) are the favoured choice for applications requiring a concise gear solution that is capable of maintaining optimum high torque outputs.
We stock a comprehensive range of world renowned Ever-Power products; prestigiously designed to accept standard hydraulic motors, with the option of a shaft insight version suitable for a wide range of shaft, wheel and spindle drive applications.
A customer preferred from our planetary gear drives range may be the Ever-Power-velocity, compact, planetary wheel drive transmission; boasting low and high rate functions and unbeatable long-life efficiency, ideal for winches and mobile apparatus.
With capacities which range from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions are 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 efficient, Low Noise, Long services life, Large Radial Loading capability. 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
Capacity – 2000Kg to 20000Kg
• Ratio: 3.6 : 1 to 8000 : 1
• Input Power- 0.5 HP to 50 H
• Input Acceleration – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electrical Motor (Brake Engine) and Hydraulic Motor and supplied with Metal Wire ropes and Control panel Beacon Winches are small, Foot mounted, Efficient, having high Load Carrying Capability, reversible
Beacon Winches widely used in Planetary Gearboxes are trusted in Material Managing Equipments, Mechanical Industry, Glucose Industry, Cement Industry, Chemical Industry, Food Industry, Construction Industry, Agricultural Market, Power Industry, Cellular Cranes and Over mind Cranes etc
Beacon Electric Winches are manufactured from superior quality raw materials such as Alloy Steel EN8/EN9, 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 products from the yaw and pitch range are usually used to control blade pitch. The nacelle at the top of the tower is connected to the rotor and houses the gearbox, the electrical generator, the yaw system, and the control program. To ensure that the rotor axis is continually aligned with the wind path for maximum energy output, large wind turbines are equipped with a yaw system that allows the nacelle to adapt its position based on the direction and push of the wind. Nacelle rotation is certainly managed by a yaw program, planetary gear device with electric brake motor, which is one of Ever-Power s most well-known products. Each wind turbine must have between two and six equipment 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 part, or four or five-stage gear systems from the yaw and pitch drive series are normally used. Output pinions could be built-in or inserted. Ever-Power is certainly pleased with its quality assurance policy, including the Type Acceptance Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary gear reducer, Planetary geared electric motor, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david brownish gearbox and so forth.
Ever-Power have many years of encounter in planetary Pitch Drive, we produce very high quality planetary Pitch Drive with extremely competitive prices. planetary Pitch Drive have already been designed for different transmission .
The power is transmitted form the electric motor to sun gearboxes. The sun gearboxes drives three planetary Pitch Drive, which are contained within an internal toothed ring gearboxes. The planetary Pitch Drive are installed on the planetary carrier. The planetary carrier is certainly 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 carries and automatically the best torque and stiffness for confirmed envelope. The additional significant advantages are basic and effective lubrication and a well balanced program at high speeds. The balanced planetary kinematics and the linked load sharing makes the planetary-type gearboxes really perfect for servo applications.
Modular concept, allows us to after particularly brief 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 various torques that are to be transmitted to the result shaft, which can change 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 number of input 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 structure technique of the planetary gear units may be the possibility to attach a series of stages of different sizes in order to obtain a vast range of reduction ratios. The merchandise range provides decrease 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 result shafts and flanges simplifies the decrease unit mounting operation 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 stronger motor-shaft seal.
New integral motor and planetary gearbox housing brings the planetary gear set closer to the motor, increasing efficiency and reducing stress.
Gearbox comes with an updated input 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.