In a planetary gearbox, many teeth are involved at once, that allows high speed reduction to be performed with fairly small gears and lower inertia reflected back to the electric motor. Having multiple teeth discuss the load also enables planetary gears to transmit high levels of torque. The combination of compact size, large speed reduction and high torque transmitting makes planetary gearboxes a popular 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 option than various other gearbox types. And precision manufacturing is extremely important for these gearboxes. If one planetary equipment is put closer to sunlight gear than the others, imbalances in the planetary gears may appear, resulting in premature wear and failing. Also, the compact footprint of planetary gears makes temperature dissipation more difficult, therefore applications that run at high speed or experience continuous operation may require cooling.
When using a “standard” (i.e. inline) planetary gearbox, the motor and the driven equipment must be inline with each other, although manufacturers offer right-angle designs that integrate other gear sets (often 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 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 (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 engine input SAE C or D hydraulic
PG planetary gear devices are divided into 21 basic groupings depending on the various torques that are to be transmitted to the result shaft, which can change from 0,05 to 1 1.280 kNm. In fact, the product modular construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary systems, as well as providing for a wide choice of coupling flanges for hydraulic or electrical motors. Another advantage offered by the modular construction technique of the planetary equipment units is the possibility to attach a series of stages of different sizes to be able to get yourself a vast range of reduction ratios. The product 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 result shafts and flanges simplifies the decrease 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 possess 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, raising efficiency and reducing 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 decrease. The number of planet gears in the PA30B gearbox increased 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 operate 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 components 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 definitely in the center of the ring equipment, and is coaxially arranged in relation to the output. Sunlight 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 installed on a planetary carrier, roll between your sunlight pinion and the band gear. The planetary carrier also represents the result shaft of the gearbox.
The sole purpose of the planetary gears is to transfer the required torque. The number of teeth has no effect on the tranny ratio of the gearbox. The amount of planets can also vary. As the number of planetary gears increases, the distribution of the strain increases and then the torque that can be transmitted. Increasing the amount of tooth engagements also reduces the rolling power. Since only section of the total output needs to be transmitted as rolling power, a planetary gear is extremely efficient. The advantage of a planetary gear compared to an individual spur gear is based on this load distribution. Hence, it is possible to transmit high torques wit
h high efficiency with a concise style using planetary gears.
So long as the ring gear has a constant size, different ratios could be realized by different the amount of teeth of sunlight gear and the number of the teeth of the planetary gears. Small the sun gear, the higher the ratio. Technically, a meaningful ratio range for a planetary stage is certainly approx. 3:1 to 10:1, since the planetary gears and the sun gear are extremely little above and below these ratios. Higher ratios can be obtained by connecting a number of planetary phases in series in the same ring gear. In this case, we talk about multi-stage gearboxes.
With planetary gearboxes the speeds and torques can 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 in order to grab the torque via the ring equipment. 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 transmitting ratios can also easily be achieved 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 due to low rolling power
Almost unlimited transmission ratio options because of mixture of several planet stages
Appropriate 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 a wide range of applications1
Hot Tags: planetary gear drive, China, suppliers, producers, factory, wholesale, buy, manufactured 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 around the hydraulic motor input
Offset straight in allows the hydraulic electric motor be mounted off center
Right angle input techniques 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 output 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 engine 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’s capable of maintaining ideal high torque outputs.
We stock a thorough range of world renowned Ever-Power products; prestigiously designed to accept standard hydraulic motors, with the choice of a shaft input version suitable for an array 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 functions and unbeatable long-life performance, perfect for winches and mobile devices.
With capacities which range from 845Nm to 332,000Nm, our innovative range 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, Affordable, Energy efficient, Low Noise, Long provider life, Large Radial Loading ability. We provide Winch with planetary gearboxes to our customers. Ever-Power manufactures customised gearboxes for material handling equipment.
We manufacture Electric Winches capacity 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
• Input Power- 0.5 HP to 50 H
• Input Speed – 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 Steel Wire ropes and Control panel Beacon Winches are small, Foot mounted, Efficient, having high Load Carrying Capacity, reversible
Beacon Winches trusted in Planetary Gearboxes are trusted in Material Managing Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical substance Industry, Food Industry, Building Industry, Agricultural Industry, Power Industry, Cellular Cranes and Over mind Cranes etc
Beacon Electric 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 used on different part of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment devices from the yaw and pitch range are normally used to control blade pitch. The nacelle near the top of the tower is linked to the rotor and houses the gearbox, the electrical generator, the yaw program, and the control system. To make certain that the rotor axis is constantly aligned with the wind direction for maximum energy result, large wind turbines include a yaw system which allows the nacelle to adjust its position according to the direction and pressure of the wind. Nacelle rotation is certainly controlled by a yaw system, planetary gear device with electric brake motor, which is one of Ever-Power s most well-known products. Each wind mill will need to have between two and six equipment units, based on the size, and the electric motor can be electric or hydraulic. Two or three-stage gear units, coupled with a worm gearbox on the input part, or four or five-stage gear models from the yaw and pitch drive series are usually used. Output pinions could be included or inserted. Ever-Power is definitely proud of its quality assurance policy, including the Type Approval Certificate from DNV.
Producer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared engine, Epicyclic gearing, Planetary gearing, Gearboxes, can 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 already been designed for different transmission .
The energy is transmitted form the 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 mounted on the planetary carrier. The planetary carrier is definitely part output shaft. So when sunlight gearboxes rotates, it drives the three planetary Pitch Drive in the ring gearboxes.
As planetary Pitch Drive rotate with bears and automatically the best torque and stiffness for confirmed envelope. The additional significant advantages are basic and efficient lubrication and a balanced system at high speeds. The balanced planetary kinematics and the connected load posting makes the planetary-type gearboxes truly 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 requires a reducer for motors, Let our term of engineers work for you.
PG planetary gear systems are divided into 21 basic groups depending on the different torques that are to be transmitted to the result shaft, which can vary from 0,05 to 1 1.280 kNm. In fact, the product modular construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of insight shafts to the planetary systems, and also 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 is the possibility to install a series of phases of different sizes in order to get yourself a vast range of decrease ratios. The product range provides decrease 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 range of output shafts and flanges simplifies the decrease 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 electrical motors
New hydraulic motors have a higher-rated operating pressure and features a larger and more durable motor-shaft seal.
New integral engine and planetary gearbox casing brings the planetary gear set nearer to the motor, increasing efficiency and reducing 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 reduction. The number of planet gears in the PA30B gearbox improved 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 match the application.