In a planetary gearbox, many teeth are involved at once, that allows high speed reduction to be achieved with relatively small gears and lower inertia reflected back to the motor. Having multiple teeth discuss the load also enables planetary gears to transmit high levels of torque. The combination of compact size, huge speed decrease and high torque tranny makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes perform have some disadvantages. Their complexity in style and manufacturing tends to make them a far more expensive solution than additional gearbox types. And precision manufacturing 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 can occur, resulting in premature wear and failing. Also, the small footprint of planetary gears makes high temperature dissipation more difficult, so applications that run at high speed or encounter continuous procedure may require cooling.
When using a “standard” (i.electronic. inline) planetary gearbox, the motor and the powered equipment should be inline with each other, although manufacturers provide right-angle designs that integrate other gear sets (often bevel gears with helical the teeth) to supply 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 related 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 motor input SAE C or D hydraulic
PG planetary gear systems are divided into 21 basic groups depending on the different torques that are to be transmitted to the output shaft, which can vary from 0,05 to at least one 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 models, along with providing for a broad choice of coupling flanges for hydraulic or electrical motors. Another advantage provided by the modular building technique of the planetary gear units is the possibility to install a series of phases of different sizes to be able to obtain a vast range of reduction ratios. The product range provides reduction ratios from 3:1 to 7:1 on a single stage unit up to 10.000:1 and more on a 5 stage device. The wide range 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 1 1.280 kNm
– Coupling flanges for hydraulic or electrical motors
New hydraulic motors possess a higher-rated operating pressure and features a larger and more durable motor-shaft seal.
New integral motor and planetary gearbox housing brings the planetary equipment set nearer to the motor, increasing efficiency and decreasing stress.
Gearbox has an updated input shaft with a far more sturdy design.
Maximum torque rating for PA30B improved from 4,166 to 4,500 ft.-lb. and improved gear decrease. 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 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 operate between a gear with internal teeth and a gear with exterior 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 acquired their name.
The parts of a planetary gear train could be split into four main constituents.
The housing with integrated internal teeth is actually a ring gear. In nearly all cases the housing is fixed. The traveling sun pinion is usually in the heart of the ring equipment, and is coaxially organized in relation to the output. Sunlight pinion is usually mounted on a clamping system to be able to provide the mechanical link with the electric motor shaft. During procedure, the planetary gears, which are mounted on a planetary carrier, roll between your 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 required torque. The amount of teeth has no effect on the tranny 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 that can be transmitted. Increasing the number of tooth engagements also reduces the rolling power. Since just portion of the total output has to be transmitted as rolling power, a planetary gear is incredibly efficient. The benefit of a planetary gear compared to a single spur gear is based on 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 amount of teeth of sunlight gear and the amount of tooth 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, since 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 stages in series in the same band gear. In cases like this, we speak of multi-stage gearboxes.
With planetary gearboxes the speeds and torques could be overlaid by having a ring gear that is not fixed but is driven in virtually any direction of rotation. It is also possible to repair the drive shaft to be able to pick up the torque via the ring equipment. Planetary gearboxes have become extremely important in many areas of mechanical engineering.
They have grown to be particularly more developed in areas where high output levels and fast speeds must be transmitted with favorable mass inertia ratio adaptation. High transmitting ratios can also easily be performed with planetary gearboxes. Because of their 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 several planetary gears
High efficiency due to low rolling power
Nearly unlimited transmission ratio options because of combination of several planet stages
Appropriate as planetary switching gear due to fixing this or that area of the gearbox
Possibility of use as overriding gearbox
Favorable volume output
Suitability for a wide selection of applications1
Hot Tags: planetary gear drive, China, suppliers, producers, 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
Selection of input options
Straight set for an upon centerline adaptation giving a symmetrical clearance around the hydraulic motor input
Offset straight in allows the hydraulic motor be mounted off center
Right angle input moves 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 the various required output connections
An added output option includes the result without external 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 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 motor inputSAE C or D
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Planetary gear drives (epicyclic gears) are the favoured choice for applications requiring a compact gear solution that is capable of maintaining optimal high torque outputs.
We stock a thorough range of world renowned Ever-Power products; prestigiously made to accept regular hydraulic motors, with the option of a shaft insight version suitable for a wide selection of shaft, wheel and spindle drive applications.
A customer favourite from our planetary equipment drives range is the Ever-Power-quickness, compact, planetary wheel drive transmission; boasting low and high rate functions and unbeatable long-life performance, ideal for winches and mobile products.
With capacities ranging from 845Nm to 332,000Nm, our innovative selection of planetary Torque Hub® transmissions are the leading solution for a number of commercial and mobile applications.
Ever-Power offers wide selection of Planetary Winch Drives which are Highly regular modular designed, Better in quality, Cost effective, Energy efficient, Low Noise, Long program life, Huge Radial Loading capability. We provide Winch with planetary gearboxes to your 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 ), 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 Quickness – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electrical Motor (Brake Engine) and Hydraulic Engine and supplied with Steel 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, Sugar Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Market, Power Industry, Mobile Cranes and Over head Cranes etc
Beacon Electrical Winches are manufactured 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 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 gear models from the yaw and pitch range are usually used to regulate blade pitch. The nacelle near the top of the tower is connected to the rotor and houses the gearbox, the electrical generator, the yaw system, and the control system. To make sure that the rotor axis is continually aligned with the wind path for maximum energy output, large wind turbines are equipped with a yaw system which allows the nacelle to modify its position according to the direction and push of the wind. Nacelle rotation is certainly controlled by a yaw system, planetary gear unit with electric brake motor, which is among Ever-Power s most well-known products. Each wind turbine must have between two and six gear units, depending on the size, and the electric motor can be electrical or hydraulic. Two or three-stage gear units, coupled with a worm gearbox on the input side, or four or five-stage gear systems from the yaw and pitch drive series are usually used. Output pinions could be included or inserted. Ever-Power can be pleased with its quality assurance plan, including the Type Authorization Certificate from DNV.
Producer of planetary Pitch Drive, Planetary gear reducer, Planetary geared engine, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david dark brown gearbox and so forth.
Ever-Power have a long time of encounter in planetary Pitch Drive, we produce very high quality planetary Pitch Drive with very competitive prices. planetary Pitch Drive have been made for different transmission .
The energy is transmitted form the engine to sun gearboxes. The sun gearboxes drives three planetary Pitch Drive, which are included in a internal toothed band gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier is definitely part output shaft. Therefore 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 various other significant advantages are simple and effective lubrication and a balanced program at high speeds. The balanced planetary kinematics and the connected load posting makes the planetary-type gearboxes really ideal for servo applications.
Modular concept, we can after particularly short delivery time for gearboxes with a constantly high regular of quality whether your applications requires a reducer for motors, Let our term of engineers work for you.
PG planetary gear units are divided into 21 basic organizations depending on the various torques that are to be transmitted to the output shaft, which can vary from 0,05 to at least one 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 models, and also 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 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 on a single stage unit up to 10.000:1 and more on a 5 stage device. The wide selection of result shafts and flanges simplifies the decrease 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 electrical motors
New hydraulic motors possess a higher-rated operating pressure and features a larger and more durable motor-shaft seal.
New integral motor and planetary gearbox casing brings the planetary gear set nearer to the motor, raising efficiency and decreasing stress.
Gearbox has an updated insight shaft with a more sturdy design.
Maximum torque rating for PA30B increased from 4,166 to 4,500 ft.-lb. and improved gear decrease. 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 ground, 18-36 in, tree and shrub, and 9- or 12-in. rock to complement the application.