In a planetary gearbox, many teeth are involved at once, that allows high speed reduction to be performed with fairly small gears and lower inertia reflected back to the motor. Having multiple teeth share the load also allows planetary gears to transmit high levels of torque. The combination of compact size, large speed decrease and high torque transmission makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in design and manufacturing tends to make them a more expensive solution than additional gearbox types. And precision production is really important for these gearboxes. If one planetary gear is positioned closer to the sun gear compared to the others, imbalances in the planetary gears can occur, leading to premature wear and failure. Also, the small footprint of planetary gears makes heat dissipation more difficult, so applications that run at high speed or experience continuous procedure may require cooling.
When utilizing a “standard” (i.e. inline) planetary gearbox, the motor and the powered equipment must be inline with one another, although manufacturers offer right-angle designs that include other gear sets (often bevel gears with helical teeth) 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 engine input SAE C or D hydraulic
PG planetary gear products are divided into 21 basic organizations depending on the various torques that should 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 variety of insight shafts to the planetary products, in addition to providing for a broad choice 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 stages of different sizes to be able to obtain a vast range of reduction ratios. The product 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 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 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 gear set closer to the motor, raising efficiency and reducing stress.
Gearbox has an updated insight shaft with a far more sturdy design.
Maximum torque ranking for PA30B increased from 4,166 to 4,500 ft.-lb. and improved gear reduction. The number of world 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.
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 exterior 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 acquired their name.
The elements 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 the majority of cases the housing is fixed. The generating sun pinion is certainly in the heart of the ring equipment, and is coaxially arranged in relation to the output. The sun pinion is usually mounted on a clamping system to be able to offer the mechanical link with the engine shaft. During operation, the planetary gears, which are installed on a planetary carrier, roll between your sunlight pinion and the ring 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 does not have any effect on the tranny ratio of the gearbox. The number of planets can also vary. As the amount of planetary gears raises, the distribution of the strain increases and then the torque which can be transmitted. Raising the amount of tooth engagements also decreases the rolling power. Since just section of the total output needs to be transmitted as rolling power, a planetary gear is extremely efficient. The benefit of a planetary gear compared to an individual spur gear lies in this load distribution. Hence, it is feasible to transmit high torques wit
h high efficiency with a concise style using planetary gears.
Provided that the ring gear includes 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. Small the sun equipment, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is 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 several planetary levels in series in the same ring 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 repair the drive shaft to be able to grab the torque via the ring equipment. Planetary gearboxes have grown to be extremely important in lots of regions of mechanical engineering.
They have grown to be particularly more developed 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 achieved with planetary gearboxes. Because of their positive properties and small design, the gearboxes have many potential uses in industrial applications.
The benefits of planetary gearboxes:
Coaxial arrangement of input shaft and output shaft
Load distribution to several planetary gears
High efficiency due to low rolling power
Nearly unlimited transmission ratio options because of mixture of several planet stages
Appropriate as planetary switching gear because of fixing this or that section of the gearbox
Chance for use as overriding gearbox
Favorable volume output
Suitability for a wide selection of applications1
Hot Tags: planetary equipment drive, China, suppliers, producers, factory, wholesale, buy, manufactured in China
Description
Planetary Gear Drive
Drive type: speed reducer
Result torque: 33,895 Nm (25,000 lb-ft)
Max input speed: 2800 rpm
Features
Variety of input options
Straight set for an upon centerline adaptation offering a symmetrical clearance around the hydraulic motor input
Offset straight in allows 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 parts on track drives
Output options
With external shaft includes keyed, flanged or spline options to meet the many required output connections
An added output choice includes the output 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 (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 engine 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 is capable of maintaining optimal high torque outputs.
We stock a comprehensive range of world renowned Ever-Power products; prestigiously designed 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 acceleration features and unbeatable long-life efficiency, perfect for winches and mobile equipment.
With capacities ranging from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions are the leading solution for a variety of industrial and mobile applications.
Ever-Power offers wide variety of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Cost effective, Energy efficient, Low Noise, Long program life, Large Radial Loading capability. We offer Winch with planetary gearboxes to our customers. Ever-Power manufactures customised gearboxes for materials handling equipment.
We manufacture Electric Winches capability 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
• Input Power- 0.5 HP to 50 H
• Input Velocity – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electric Motor (Brake Engine) and Hydraulic Engine 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 trusted in Material Managing Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical Industry, Food Industry, Structure Industry, Agricultural Market, Power Industry, Cellular Cranes and Over head Cranes etc
Beacon Electric 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 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 applied to different component of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment units from the yaw and pitch range are normally used to control blade pitch. The nacelle near the top of the tower is connected to the rotor and houses the gearbox, the electrical generator, the yaw program, 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 that allows the nacelle to change its position based on the direction and pressure of the wind. Nacelle rotation is definitely managed by a yaw program, planetary gear unit with electric brake engine, which is one of Ever-Power s most popular products. Each wind mill will need to have between two and six gear units, based on the size, and the electric motor could be electric or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the insight part, or four or five-stage gear devices 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 plan, including the Type Acceptance Certificate from DNV.
Producer of planetary Pitch Drive, Planetary gear reducer, Planetary geared engine, Epicyclic gearing, Planetary gearing, Gearboxes, may interchange and replace with brevini gearbox, david dark brown gearbox and so forth.
Ever-Power have many years of experience in planetary Pitch Drive, we produce very high quality planetary Pitch Drive with extremely 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 contained in a internal toothed band gearboxes. The planetary Pitch Drive are installed on the planetary carrier. The planetary carrier is definitely part output shaft. Therefore when the sun 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 basic and effective lubrication and a well balanced system at high speeds. The well balanced planetary kinematics and the connected load sharing makes the planetary-type gearboxes truly well suited 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 takes a reducer for motors, Let our term of engineers do the job.
PG planetary gear systems are split into 21 basic organizations 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 construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary products, in addition to providing for a broad selection of coupling flanges for hydraulic or electrical motors. Another advantage provided by the modular structure technique of the planetary gear units may be the possibility to mount a series of stages of different sizes in order to obtain a vast range of decrease ratios. The merchandise 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 device. 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 electrical motors
New hydraulic motors have a higher-rated operating pressure and includes a larger and stronger motor-shaft seal.
New integral electric motor and planetary gearbox casing brings the planetary equipment set nearer to the motor, raising efficiency and reducing stress.
Gearbox has an updated insight shaft with a far more sturdy design.
Maximum torque ranking for PA30B improved from 4,166 to 4,500 ft.-lb. and improved gear decrease. The number of world 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.