In a planetary gearbox, many teeth are engaged at once, that allows high speed decrease to be achieved with relatively small gears and lower inertia reflected back again to the motor. Having multiple teeth discuss the load also enables planetary gears to transmit high levels of torque. The mixture of compact size, large speed reduction and high torque transmitting makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in style and manufacturing can make them a more expensive option than other gearbox types. And precision manufacturing is extremely important for these gearboxes. If one planetary gear is positioned closer to sunlight gear than the others, imbalances in the planetary gears can occur, leading to premature wear and failing. Also, the compact footprint of planetary gears makes heat dissipation more difficult, so applications that operate at very high speed or experience continuous operation may require cooling.
When using a “standard” (i.electronic. inline) planetary gearbox, the motor and the powered equipment should be inline with one another, although manufacturers offer right-angle designs that integrate other gear sets (frequently bevel gears with helical the teeth) to provide 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 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 motor input SAE C or D hydraulic
PG planetary gear devices are divided into 21 basic groups depending on the various torques that should be transmitted to the output shaft, which can change from 0,05 to at least one 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 products, and also providing for a wide choice of coupling flanges for hydraulic or electrical motors. Another advantage provided by the modular building technique of the planetary equipment units may be the possibility to install a series of stages 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 unit up to 10.000:1 and more on a 5 stage unit. 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 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 gear set closer to the motor, raising efficiency and reducing stress.
Gearbox has an updated input shaft with a more sturdy design.
Maximum torque rating for PA30B increased 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 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 run between a gear with internal teeth and a gear with external teeth on a concentric orbit. The circulation of the spur gear takes place in analogy to the orbiting of the planets in the solar program. 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 actually a ring gear. In the majority of cases the housing is fixed. The traveling sun pinion is usually in the center of the ring gear, and is coaxially organized with regards to the output. The sun pinion is usually attached to a clamping system to be able to provide the mechanical link with the motor shaft. During procedure, the planetary gears, which are mounted on a planetary carrier, roll between your sun pinion and the ring gear. The planetary carrier also represents the result shaft of the gearbox.
The sole purpose of 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 amount of planets may also vary. As the number of planetary gears raises, the distribution of the strain increases and then the torque which can be transmitted. Increasing the number of tooth engagements also decreases the rolling power. Since just section of the total output needs to be transmitted as rolling power, a planetary equipment is incredibly efficient. The advantage of a planetary gear compared to a single spur gear lies in this load distribution. It is therefore possible to transmit high torques wit
h high efficiency with a compact design using planetary gears.
So long as the ring gear has a constant size, different ratios can be realized by varying the number of teeth of the sun gear and the amount of teeth of the planetary gears. Small the sun equipment, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is usually approx. 3:1 to 10:1, because 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 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 ring gear. Planetary gearboxes have become 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 should be transmitted with favorable mass inertia ratio adaptation. High transmitting ratios may also easily be achieved with planetary gearboxes. Because of their positive properties and compact design, the gearboxes possess many potential uses in commercial 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
Nearly unlimited transmission ratio options due to mixture of several planet stages
Ideal as planetary switching gear due to fixing this or that section 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, 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 in for an on centerline adaptation offering a symmetrical clearance about the hydraulic motor input
Offset straight in allows the hydraulic engine be mounted off center
Right angle input techniques 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 up the many required output connections
An added output option includes the result without exterior 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 would depend 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 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 ideal high torque outputs.
We stock a thorough range of world renowned Ever-Power items; prestigiously designed to accept standard hydraulic motors, with the choice of a shaft insight version suitable for a wide variety of shaft, wheel and spindle drive applications.
A customer preferred from our planetary equipment drives range may be the Ever-Power-velocity, small, planetary wheel drive transmission; boasting low and high speed functions and unbeatable long-life performance, perfect for winches and mobile products.
With capacities which range from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions are the leading solution for a variety of commercial and mobile applications.
Ever-Power offers wide variety of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Cost effective, Energy conserving, Low Noise, Long service life, Large Radial Loading ability. We provide Winch with planetary gearboxes to your customers. Ever-Power manufactures customised gearboxes for materials handling equipment.
We manufacture Electrical 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
• Insight 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 Motor (Brake Engine) and Hydraulic Engine 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 widely used in Material Managing Equipments, Mechanical Industry, Sugars Industry, Cement Industry, Chemical Industry, Food Industry, Structure Industry, Agricultural Sector, Power Industry, Mobile Cranes and Over mind Cranes etc
Beacon Electrical 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/EN353, 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 Tranny planetary gearboxes are applied to 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 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 make sure that the rotor axis is constantly aligned with the wind direction for maximum energy output, large wind turbines are equipped with a yaw system which allows the nacelle to adjust its position according to 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, depending on the size, and the motor can be electric or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the insight aspect, or four or five-stage gear units from the yaw and pitch drive series are usually used. Output pinions could be included or inserted. Ever-Power is proud of its quality assurance policy, including the Type Approval Certificate from DNV.
Producer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared electric motor, 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 been designed for different transmission .
The power is transmitted form the electric motor to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are contained within an internal toothed band gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier can be part output shaft. So when sunlight 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 a given envelope. The other significant advantages are basic and efficient lubrication and a well balanced system at high speeds. The well 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 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 work for you.
PG planetary gear units are split into 21 basic groupings depending on the different torques that are to be transmitted to the result shaft, which can change from 0,05 to at least one 1.280 kNm. In fact, the product modular construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of input shafts to the planetary models, as well as providing for a wide choice of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular construction technique of the planetary gear units is the possibility to attach a series of stages of different sizes to be able to obtain a vast range of decrease ratios. The merchandise range provides reduction ratios from 3:1 to 7:1 on a single 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 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 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 has 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 decrease. The number of world gears in the PA30B gearbox improved from 3 to 5.
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.