In a planetary gearbox, many teeth are involved at once, which allows high speed reduction to be achieved with fairly small gears and lower inertia reflected back to the motor. 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 transmission makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes do have some disadvantages. Their complexity in style and manufacturing tends to make them a more expensive option than additional gearbox types. And precision manufacturing is really important for these gearboxes. If one planetary gear is positioned closer to sunlight gear compared to the others, imbalances in the planetary gears may appear, resulting in premature wear and failing. Also, the small footprint of planetary gears makes high temperature dissipation more difficult, so applications that operate at very high speed or encounter continuous operation may require cooling.
When utilizing a “standard” (i.e. inline) planetary gearbox, the motor and the powered equipment should be inline with one another, although manufacturers provide 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 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 (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 products 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 at least one 1.280 kNm. Actually, the product modular building permits the coupling of bevel gears, worm gears, hydraulic brakes and a variety of input shafts to the planetary products, in addition to providing for a wide choice of coupling flanges for hydraulic or electric powered motors. Another advantage provided by the modular building technique of the planetary gear units may be the possibility to attach a series of stages of different sizes in order to get yourself a vast range of reduction 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 range of result 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 1 1.280 kNm
– Coupling flanges for hydraulic or electric motors
New hydraulic motors possess a higher-rated operating pressure and features a larger and stronger motor-shaft seal.
New integral motor and planetary gearbox casing brings the planetary equipment set nearer to the motor, raising efficiency and decreasing stress.
Gearbox comes with an updated insight shaft with a more sturdy design.
Maximum torque ranking 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 match the application.
In 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 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 one way planetary gears acquired their name.
The parts 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 generating sun pinion is certainly in the heart of the ring equipment, and is coaxially organized in relation to the output. Sunlight pinion is usually attached to a clamping system to be able to offer the mechanical link with the electric motor shaft. During operation, the planetary gears, which are installed on a planetary carrier, roll between the sun 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 transmitting ratio of the gearbox. The amount of planets may also vary. As the number of planetary gears improves, the distribution of the load increases and then the torque which can be transmitted. Raising the amount of tooth engagements also decreases the rolling power. Since just part of the total result needs to be transmitted as rolling power, a planetary equipment is extremely efficient. The advantage of a planetary equipment 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 style using planetary gears.
Provided that the ring gear has a constant size, different ratios could be realized by various the amount of teeth of the sun gear and the amount of the teeth of the planetary gears. The smaller the sun equipment, the higher the ratio. Technically, a meaningful ratio range for a planetary stage is definitely 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 obtained by connecting several planetary levels in series in the same band gear. In cases like this, we talk about multi-stage gearboxes.
With planetary gearboxes the speeds and torques could be overlaid by having a band gear that is not fixed but is driven in any direction of rotation. It is also possible to repair the drive shaft to be able to grab the torque via the ring gear. Planetary gearboxes have become extremely important in many areas of mechanical engineering.
They have become particularly well established in areas where high output levels and fast speeds should be transmitted with favorable mass inertia ratio adaptation. High transmission ratios can also easily be achieved with planetary gearboxes. Because of the 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
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 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
Result torque: 33,895 Nm (25,000 lb-ft)
Max input speed: 2800 rpm
Features
Selection of input options
Straight set for an on centerline adaptation providing a symmetrical clearance about the hydraulic motor input
Offset straight in enables the hydraulic electric motor be mounted off center
Right angle input moves the hydraulic 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 various required output connections
An added output choice includes the result without exterior shaft by providing 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 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 motor inputSAE C or D
Show More
Planetary gear drives (epicyclic gears) will be the favoured choice for applications requiring a compact gear solution that is 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 option of a shaft insight version suitable for a wide variety of shaft, wheel and spindle drive applications.
A customer favourite from our planetary equipment drives range is the Ever-Power-rate, small, planetary wheel drive transmission; boasting low and high acceleration functions and unbeatable long-life efficiency, ideal for winches and mobile equipment.
With capacities which range from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions will be the leading solution for a number of commercial and mobile applications.
Ever-Power offers wide variety of Planetary Winch Drives which are Highly regular modular designed, Better in quality, Cost effective, Energy conserving, Low Noise, Long support life, Huge 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 capability ranges from 500 kg to 50000 Kg ( 0.5 Ton to 50 Ton ), Decrease 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 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 trusted in Planetary Gearboxes are trusted in Material Managing Equipments, Mechanical Industry, Glucose Industry, Cement Industry, Chemical Industry, Food Industry, Construction Industry, Agricultural Industry, Power Industry, Cellular Cranes and Over mind Cranes etc
Beacon Electrical Winches are produced from excellent quality raw material such as Alloy Steel EN8/Sobre9, 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 applied to different component of wind energy plant: the rotor and the nacelle. Our slewing planetary gear systems from the yaw and pitch range are normally used to control blade pitch. The nacelle at the top of the tower is linked to the rotor and houses 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 path for maximum energy result, large wind turbines are equipped with a yaw system that allows the nacelle to adapt its position according to the direction and pressure of the wind. Nacelle rotation is certainly controlled by a yaw program, planetary gear unit with electric brake engine, which is among Ever-Power s most well-known products. Each wind mill must have between two and six equipment units, based on the size, and the motor could be electric or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the input part, or four or five-stage gear products from the yaw and pitch drive series are usually used. Output pinions can be integrated or inserted. Ever-Power is usually pleased with its quality assurance policy, including the Type Acceptance Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared motor, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david brownish 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 already been made for different transmission .
The energy is transmitted form the electric motor to sun gearboxes. The sun gearboxes drives three planetary Pitch Drive, which are included within an internal toothed band gearboxes. The planetary Pitch Drive are installed on the planetary carrier. The planetary carrier is certainly part output shaft. Therefore when the sun gearboxes rotates, it drives the three planetary Pitch Drive in the ring gearboxes.
As planetary Pitch Drive rotate with carries and automatically the highest 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 linked load posting makes the planetary-type gearboxes really perfect for servo applications.
Modular concept, we can after particularly short 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 groupings depending on the different torques that should 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 devices, and also providing for a broad selection of coupling flanges for hydraulic or electric motors. Another advantage offered 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 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 output shafts and flanges simplifies the reduction unit mounting procedure 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 more durable 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 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 planet gears in the PA30B gearbox improved from three to five.
PA40 bit sizes include 4-36-in. HD, 9-24-in. HD difficult ground, 18-36 in, tree and shrub, and 9- or 12-in. rock to match the application.