Planetary Drive

In a planetary gearbox, many teeth are involved at once, that allows high speed decrease to be performed with relatively small gears and lower inertia reflected back again to the engine. Having multiple teeth talk about the load also allows planetary gears to transmit high degrees of torque. The mixture of compact size, huge speed reduction and high torque tranny 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 answer than additional gearbox types. And precision manufacturing is extremely important for these gearboxes. If one planetary gear is put closer to the sun gear compared to the others, imbalances in the planetary gears can occur, leading to premature wear and failure. Also, the compact footprint of planetary gears makes high temperature dissipation more difficult, so applications that operate at high speed or experience continuous operation may require cooling.
When utilizing a “standard” (i.e. inline) planetary gearbox, the motor and the driven equipment should be inline with one another, although manufacturers offer right-angle designs that include other gear sets (often 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 related 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)
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 products are divided into 21 basic organizations depending on the different 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 number of insight shafts to the planetary models, along with providing for a broad selection of coupling flanges for hydraulic or electric powered motors. Another advantage offered by the modular construction technique of the planetary equipment units may be the possibility to attach a series of levels of different sizes to be able to obtain a vast range of decrease ratios. The merchandise 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 device. The wide selection of output 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 1 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 motor and planetary gearbox housing brings the planetary gear 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 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.
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 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 program. This is how planetary gears obtained their name.
The elements of a planetary gear train could be split into four main constituents.
The housing with integrated internal teeth is actually a ring gear. In the majority of cases the casing is fixed. The generating sun pinion is 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 in order to offer the mechanical link with the motor shaft. During operation, the planetary gears, which are installed 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 reason for the planetary gears is to transfer the mandatory torque. The amount 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 boosts, the distribution of the strain increases and then the torque which can be transmitted. Raising the amount of tooth engagements also reduces the rolling power. Since just section of the total output needs to be transmitted as rolling power, a planetary equipment is extremely efficient. The benefit of a planetary equipment 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 has a continuous size, different ratios can be realized by different the number of teeth of the sun gear and the amount of teeth of the planetary gears. Small the sun equipment, the higher the ratio. Technically, a meaningful ratio range for a planetary stage is 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 obtained by connecting a number of planetary phases in series in the same band gear. In cases like this, we talk about multi-stage gearboxes.
With planetary gearboxes the speeds and torques can be overlaid by having a ring gear that’s not set but is driven in virtually any direction of rotation. It is also possible to fix the drive shaft in order to pick up the torque via the band equipment. Planetary gearboxes have grown to be extremely important in many areas 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 may also easily be performed with planetary gearboxes. Because of their positive properties and small 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 several planetary gears
High efficiency because of low rolling power
Almost unlimited transmission ratio options because of mixture of several planet stages
Suitable as planetary switching gear due to fixing this or that portion of the gearbox
Possibility of use as overriding gearbox
Favorable volume output
Suitability for a wide range of applications1
Hot Tags: planetary gear drive, China, suppliers, manufacturers, factory, wholesale, buy, made 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 upon 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 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 output without exterior shaft by offering an internal 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 related 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)
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 equipment drives (epicyclic gears) are the favoured choice for applications requiring a concise gear solution that’s capable of maintaining optimum high torque outputs.
We stock a comprehensive range of globally renowned Ever-Power items; prestigiously made to accept standard hydraulic motors, with the choice 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-rate, compact, planetary wheel drive transmission; boasting low and high rate functions and unbeatable long-life performance, ideal for winches and mobile devices.
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 range of Planetary Winch Drives which are Highly regular modular designed, Better in quality, Cost effective, Energy conserving, Low Noise, Long assistance life, Large Radial Loading ability. We offer Winch with planetary gearboxes to our customers. Ever-Power manufactures customised gearboxes for material 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
Capacity – 2000Kg to 20000Kg
• Ratio: 3.6 : 1 to 8000 : 1
• Input Power- 0.5 HP to 50 H
• Input Quickness – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electrical Motor (Brake Electric motor) and Hydraulic Electric motor and supplied with Steel Wire ropes and Control panel Beacon Winches are compact, Foot mounted, Efficient, having high Load Carrying Capacity, reversible
Beacon Winches widely used in Planetary Gearboxes are widely used in Material Managing Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical Industry, Food Industry, Construction Industry, Agricultural Market, Power Industry, Cellular Cranes and Over head Cranes etc
Beacon Electric Winches are produced from excellent quality raw materials such as for example Alloy Steel EN8/EN9, 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 used on different part of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment systems from the yaw and pitch range are normally used to regulate blade pitch. The nacelle near 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 certain that the rotor axis is continually aligned with the wind direction for maximum energy output, large wind turbines are equipped with a yaw system that allows the nacelle to change its position according to the direction and power of the wind. Nacelle rotation can be managed by a yaw program, planetary gear unit with electric brake engine, which is one of Ever-Power s most well-known products. Each wind mill will need to have between two and six gear units, based on the size, and the engine could be electrical or hydraulic. Two or three-stage gear units, coupled with a worm gearbox on the insight side, or four or five-stage gear models from the yaw and pitch drive series are usually used. Output pinions could be integrated or inserted. Ever-Power can be proud of its quality assurance plan, including the Type Approval 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 brownish gearbox and so forth.
Ever-Power have a long time of experience in planetary Pitch Drive, we produce very good quality planetary Pitch Drive with extremely competitive prices. planetary Pitch Drive have been designed for different transmission .
The power is transmitted form the engine to sun gearboxes. Sunlight 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 definitely part output shaft. So 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 a given envelope. The other significant advantages are basic and effective lubrication and a well balanced program 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, we can 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 products are divided 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 1 1.280 kNm. Actually, the product modular structure permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary systems, in addition to providing for a broad selection of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular building technique of the planetary gear units is the possibility to mount a series of phases of different sizes to be able to obtain a vast range of decrease ratios. The merchandise range provides decrease 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 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 electric powered motors
New hydraulic motors have a higher-rated operating pressure and features a larger and stronger motor-shaft seal.
New integral electric motor and planetary gearbox casing brings the planetary gear set closer to the motor, increasing efficiency and decreasing stress.
Gearbox comes with an updated insight shaft with a far more sturdy design.
Maximum torque rating for PA30B increased 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 surface, 18-36 in, tree and shrub, and 9- or 12-in. rock to complement the application.