In a planetary gearbox, many teeth are engaged at once, which allows high speed reduction to be performed with relatively small gears and lower inertia reflected back again to the engine. Having multiple teeth discuss the load also enables planetary gears to transmit high degrees 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 perform involve some disadvantages. Their complexity in style and manufacturing tends to make them a far more expensive option than various other gearbox types. And precision production is extremely important for these gearboxes. If one planetary gear is positioned closer to the sun gear compared to the others, imbalances in the planetary gears may appear, leading to premature wear and failure. Also, the small footprint of planetary gears makes heat dissipation more difficult, so applications that run at very high speed or experience continuous operation 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 (often bevel gears with helical tooth) 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 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 (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 electric motor input SAE C or D hydraulic
PG planetary gear systems are divided into 21 basic groupings depending on the different torques that should be transmitted to the output 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, along with providing for a broad selection of coupling flanges for hydraulic or electric powered motors. Another advantage provided by the modular construction technique of the planetary equipment units may be the possibility to install a series of levels of different sizes in order to obtain a vast range of decrease 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 unit. The wide range of result shafts and flanges simplifies the reduction 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 electric 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 housing brings the planetary equipment set closer to the motor, raising efficiency and decreasing stress.
Gearbox comes with 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 world gears in the PA30B gearbox improved from three to five.
PA40 bit sizes include 4-36-in. HD, 9-24-in. HD difficult surface, 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 gear occurs in analogy to the orbiting of the planets in the solar program. This is how planetary gears obtained their name.
The components of a planetary gear train could be divided into four main constituents.
The housing with integrated internal teeth is actually a ring gear. In nearly all cases the casing is fixed. The traveling sun pinion is definitely in the heart of the ring equipment, and is coaxially arranged with regards to the output. The sun 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 mounted on a planetary carrier, roll between the sunlight pinion and the ring equipment. The planetary carrier also represents the output 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 transmission ratio of the gearbox. The amount of planets may also vary. As the amount of planetary gears improves, the distribution of the strain increases and then the torque that can be transmitted. Raising the number of tooth engagements also decreases the rolling power. Since only area of the total result needs to be transmitted as rolling power, a planetary equipment is extremely efficient. The benefit of a planetary gear compared to a single spur gear is based on this load distribution. Hence, it is possible to transmit high torques wit
h high efficiency with a concise style using planetary gears.
Provided that the ring gear has a continuous size, different ratios could be realized by different 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 is definitely 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 acquired by connecting many planetary stages 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 ring gear that is not set but is driven in virtually any direction of rotation. Additionally it is possible to fix the drive shaft in order to grab the torque via the band equipment. Planetary gearboxes have become extremely important in lots of regions of mechanical engineering.
They have become particularly more developed in areas where high output levels and fast speeds should 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 compact design, the gearboxes have many potential uses in commercial applications.
The benefits of planetary gearboxes:
Coaxial arrangement of input shaft and output shaft
Load distribution to many planetary gears
High efficiency due to low rolling power
Nearly unlimited transmission ratio options because of combination of several planet stages
Suitable as planetary switching gear due to 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 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
Variety of input options
Straight set for an on centerline adaptation giving a symmetrical clearance about the hydraulic motor input
Offset straight in enables the hydraulic motor be mounted off center
Right angle input movements the hydraulic electric motor 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 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 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 (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 motor inputSAE C or D
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Planetary equipment drives (epicyclic gears) are the favoured choice for applications requiring a concise gear solution that’s capable of maintaining ideal high torque outputs.
We stock a thorough range of globally renowned Ever-Power products; prestigiously made to accept standard hydraulic motors, with the choice of a shaft input version suitable for a wide selection 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 quickness features and unbeatable long-life overall performance, perfect for winches and mobile products.
With capacities ranging from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions will be the leading solution for a variety of industrial and mobile applications.
Ever-Power offers wide selection of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Cost effective, Energy efficient, Low Noise, Long services life, Large Radial Loading ability. 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
• Input Power- 0.5 HP to 50 H
• Input Rate – 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 trusted in Planetary Gearboxes are trusted in Material Managing Equipments, Mechanical Industry, Sugars Industry, Cement Industry, Chemical substance Industry, Food Industry, Building Industry, Agricultural Sector, Power Industry, Mobile Cranes and Over mind Cranes etc
Beacon Electric Winches are manufactured from superior quality raw materials such as 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 Metal and Hardened Steel.
Ever-Power Transmitting planetary gearboxes are applied to different part of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment products from the yaw and pitch range are usually used to regulate blade pitch. The nacelle at the top of the tower is connected to the rotor and homes the gearbox, the power generator, the yaw program, and the control program. To make sure that the rotor axis is constantly aligned with the wind path for maximum energy result, large wind turbines are equipped with 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 among Ever-Power s most popular products. Each wind mill must have between two and six equipment units, depending on the size, and the electric motor could be electrical 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 usually used. Output pinions could be built-in or inserted. Ever-Power is definitely proud of its quality assurance policy, including the Type Acceptance Certificate from DNV.
Producer of planetary Pitch Drive, Planetary gear reducer, Planetary geared electric motor, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david dark brown gearbox and so on.
Ever-Power have a long time of encounter in planetary Pitch Drive, we produce very good quality planetary Pitch Drive with extremely competitive prices. planetary Pitch Drive have been made for different transmission .
The energy is transmitted form the motor to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are contained 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 inside the ring gearboxes.
As planetary Pitch Drive rotate with carries and automatically the best torque and stiffness for a given envelope. The various other significant advantages are simple and effective lubrication and a well balanced system at high speeds. The balanced planetary kinematics and the associated load posting makes the planetary-type gearboxes really well suited for servo applications.
Modular concept, we can 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 units are split into 21 basic organizations depending on the various torques that should be transmitted to the result shaft, which can change 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 variety of insight shafts to the planetary products, as well as providing for a broad selection of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular structure technique of the planetary equipment units may be the possibility to attach a series of levels of different sizes in order to get yourself 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 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 powered motors
New hydraulic motors have a higher-rated operating pressure and features a larger and more durable motor-shaft seal.
New integral engine and planetary gearbox casing brings the planetary equipment set closer to the motor, increasing efficiency and reducing 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 world gears in the PA30B gearbox improved from three to five.
PA40 bit sizes include 4-36-in. HD, 9-24-in. HD difficult surface, 18-36 in, tree and shrub, and 9- or 12-in. rock to match the application.