Planetary Drive

In a planetary gearbox, many teeth are involved at once, that allows high speed decrease to be performed with fairly small gears and lower inertia reflected back to the motor. Having multiple teeth discuss the load also allows planetary gears to transmit high degrees of torque. The combination of compact size, huge speed decrease and high torque transmitting makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes do involve some disadvantages. Their complexity in design and manufacturing can make them a far more expensive remedy than various other gearbox types. And precision production is really important for these gearboxes. If one planetary equipment is positioned closer to sunlight gear compared to the others, imbalances in the planetary gears can occur, leading to premature wear and failing. Also, the compact footprint of planetary gears makes warmth dissipation more difficult, therefore applications that run at high speed or experience continuous operation may require cooling.
When utilizing a “standard” (i.electronic. inline) planetary gearbox, the motor and the powered equipment should be inline with one another, although manufacturers provide right-angle designs that incorporate other gear sets (frequently 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 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 (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 engine input SAE C or D hydraulic
PG planetary gear products are split into 21 basic groups 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 structure permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of insight shafts to the planetary systems, as well as providing for a broad selection of coupling flanges for hydraulic or electric powered 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 obtain a vast range of decrease ratios. The product range provides reduction 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 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 powered motors
New hydraulic motors possess a higher-rated operating pressure and features a larger and more durable motor-shaft seal.
New integral engine and planetary gearbox housing brings the planetary equipment set nearer to the motor, raising efficiency and reducing stress.
Gearbox has 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 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.
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 equipment takes place in analogy to the orbiting of the planets in the solar system. 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 known as a ring gear. In nearly all cases the casing is fixed. The traveling sun pinion is in the center of the ring gear, and is coaxially arranged in relation to the output. Sunlight pinion is usually mounted on a clamping system in order to offer the mechanical link with the electric motor shaft. During operation, the planetary gears, which are mounted on a planetary carrier, roll between the sun pinion and the band equipment. The planetary carrier also represents the result shaft of the gearbox.
The sole reason for the planetary gears is to transfer the required torque. The number of teeth does not have any effect on the transmission ratio of the gearbox. The number of planets may also vary. As the number of planetary gears increases, the distribution of the load increases and then the torque which can be transmitted. Increasing the amount of tooth engagements also decreases the rolling power. Since only area of the total output needs to be transmitted as rolling power, a planetary gear is incredibly efficient. The advantage of a planetary gear compared to a single spur gear is based on this load distribution. It is therefore feasible to transmit high torques wit
h high efficiency with a compact style using planetary gears.
So long as the ring gear includes a continuous size, different ratios can be realized by different the amount of teeth of sunlight gear and the amount of teeth of the planetary gears. The smaller the sun equipment, the higher the ratio. Technically, a meaningful ratio range for a planetary stage is usually approx. 3:1 to 10:1, because the planetary gears and sunlight gear are extremely small above and below these ratios. Higher ratios can be acquired by connecting a number of 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 can be overlaid by having a ring gear that is not set but is driven in any direction of rotation. It is also possible to repair the drive shaft in order to pick up the torque via the ring equipment. Planetary gearboxes have become extremely important in lots of regions 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 tranny ratios can also easily be performed with planetary gearboxes. Because of the positive properties and compact design, the gearboxes have many potential uses in industrial applications.
The advantages of planetary gearboxes:
Coaxial arrangement of input shaft and output shaft
Load distribution to many planetary gears
High efficiency because of low rolling power
Almost unlimited transmission ratio options because of combination of several planet stages
Appropriate as planetary switching gear due to fixing this or that section of the gearbox
Chance for use as overriding gearbox
Favorable volume output
Suitability for an array of applications1
Hot Tags: planetary gear 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
Variety of input options
Straight set for an upon centerline adaptation giving 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 electric 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 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 related 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 electric motor 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 ideal high torque outputs.
We stock a comprehensive range of globally renowned Ever-Power products; prestigiously made to accept regular hydraulic motors, with the choice of a shaft insight version suitable for a wide range of shaft, wheel and spindle drive applications.
A customer preferred from our planetary gear drives range may be the Ever-Power-swiftness, small, planetary wheel drive transmission; boasting low and high quickness features and unbeatable long-life efficiency, well suited for winches and mobile equipment.
With capacities which range from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions are the leading solution for a variety of commercial and mobile applications.
Ever-Power offers wide range of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Affordable, Energy efficient, Low Noise, Long program life, Large Radial Loading ability. We offer 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 ), Decrease ratio up to 8000 : 1
Capacity – 2000Kg to 20000Kg
• Ratio: 3.6 : 1 to 8000 : 1
• Insight 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 Motor) and Hydraulic Engine and supplied with Metal Wire ropes and Control panel Beacon Winches are small, 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, Sugars Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Sector, Power Industry, Mobile Cranes and Over mind Cranes etc
Beacon Electric Winches are manufactured from excellent quality raw materials such as for example Alloy Steel EN8/Sobre9, EN19, EN24/42,EN36c,, 16 MnCr5, CrMo4, SAE8620, MnCr/20, MnCr5/EN353, 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 component of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment systems from the yaw and pitch range are usually used to control blade pitch. The nacelle near the top of the tower is connected to the rotor and homes the gearbox, the electrical generator, the yaw system, and the control program. To make certain 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 adapt its position according to the direction and drive of the wind. Nacelle rotation is definitely controlled by a yaw system, planetary gear unit with electric brake motor, which is among 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 motor could be electric or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the insight side, or four or five-stage gear devices from the yaw and pitch drive series are normally used. Output pinions can be built-in or inserted. Ever-Power is certainly proud of its quality assurance plan, including the Type Approval Certificate from DNV.
Manufacturer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared electric motor, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david brownish gearbox and so on.
Ever-Power have many years of encounter 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 motor to sun gearboxes. The sun gearboxes drives three planetary Pitch Drive, which are included in a internal toothed ring 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 inside the ring gearboxes.
As planetary Pitch Drive rotate with carries and automatically the highest torque and stiffness for confirmed envelope. The various other significant advantages are basic and effective lubrication and a balanced system at high speeds. The well balanced planetary kinematics and the associated load sharing makes the planetary-type gearboxes really perfect for servo applications.
Modular concept, allows us to 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 work for you.
PG planetary gear devices are split into 21 basic groups depending on the various torques that are to be transmitted to the result shaft, which can vary 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 variety of insight shafts to the planetary models, along with providing for a wide selection of coupling flanges for hydraulic or electric powered motors. Another advantage provided by the modular structure technique of the planetary gear units is the possibility to attach a series of phases of different sizes to be able to obtain a vast range of reduction 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 device. The wide selection 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 1 1.280 kNm
– Coupling flanges for hydraulic or electrical motors
New hydraulic motors have a higher-rated operating pressure and features a larger and more durable motor-shaft seal.
New integral electric motor and planetary gearbox housing brings the planetary gear set nearer to the motor, increasing efficiency and decreasing stress.
Gearbox has 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 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 complement the application.