Planetary Drive

In a planetary gearbox, many teeth are engaged at once, which allows high speed decrease to be achieved with fairly small gears and lower inertia reflected back to the electric motor. Having multiple teeth share the load also enables planetary gears to transmit high degrees of torque. The mixture of compact size, large speed decrease and high torque transmission makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes do have some disadvantages. Their complexity in design and manufacturing tends to make them a far more expensive solution than other gearbox types. And precision manufacturing is extremely important for these gearboxes. If one planetary equipment is put closer to the sun gear than the others, imbalances in the planetary gears can occur, leading to premature wear and failing. Also, the small footprint of planetary gears makes warmth dissipation more difficult, so applications that operate at high speed or encounter continuous operation may require cooling.
When utilizing a “standard” (i.electronic. inline) planetary gearbox, the motor and the driven equipment must be inline with one another, although manufacturers provide right-angle designs that incorporate other gear sets (frequently bevel gears with helical 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 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 motor input SAE C or D hydraulic
PG planetary gear units are split into 21 basic groups depending on the different torques that are to be transmitted to the output shaft, which can change 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 number of input shafts to the planetary products, and also providing for a broad choice of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular construction technique of the planetary equipment units is the possibility to mount a series of phases of different sizes in order to get yourself 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 range of result shafts and flanges simplifies the reduction unit mounting procedure on industrial 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 have a higher-rated operating pressure and includes a larger and stronger motor-shaft seal.
New integral electric motor and planetary gearbox housing brings the planetary gear set closer to the motor, increasing efficiency and decreasing 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 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 ground, 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 exterior 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 how 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 known as a ring gear. In the majority of cases the casing is fixed. The traveling sun pinion is certainly in the center of the ring gear, and is coaxially organized in relation to the output. The sun pinion is usually attached to a clamping system to be able to provide the mechanical connection to the motor shaft. During procedure, the planetary gears, which are installed on a planetary carrier, roll between your sun pinion and the band equipment. 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 does not have any effect on the transmitting ratio of the gearbox. The number of planets can also vary. As the number of planetary gears boosts, the distribution of the load increases and therefore the torque which can be transmitted. Increasing the number of tooth engagements also decreases the rolling power. Since only area of the total result needs to be transmitted as rolling power, a planetary equipment is extremely efficient. The advantage of a planetary gear compared to an individual spur gear lies in this load distribution. It is therefore feasible to transmit high torques wit
h high efficiency with a concise style using planetary gears.
Provided that the ring gear includes a constant size, different ratios can be realized by various the number of teeth of sunlight gear and the amount of tooth of the planetary gears. Small the sun equipment, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is definitely 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 acquired by connecting several planetary stages in series in the same band 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’s not fixed but is driven in virtually any direction of rotation. Additionally it is possible to repair the drive shaft to be able to pick up the torque via the band gear. Planetary gearboxes have become extremely important in lots of areas of mechanical engineering.
They have become 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 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
Ideal as planetary switching gear because of fixing this or that part of the gearbox
Possibility of use as overriding gearbox
Favorable volume output
Suitability for a wide variety 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 upon centerline adaptation offering a symmetrical clearance around the hydraulic motor input
Offset straight in enables the hydraulic engine be mounted off center
Right angle input moves 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 choice includes the output 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 placed 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 electric motor inputSAE C or D
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Planetary gear drives (epicyclic gears) will be the favoured choice for applications requiring a compact gear solution that’s capable of maintaining optimal high torque outputs.
We stock a thorough range of globally renowned Ever-Power items; prestigiously designed to accept regular hydraulic motors, with the option of a shaft insight version suitable for a wide range of shaft, wheel and spindle drive applications.
A customer favourite from our planetary gear drives range is the Ever-Power-swiftness, compact, planetary wheel drive transmission; boasting low and high velocity functions and unbeatable long-life overall performance, well suited for winches and mobile devices.
With capacities ranging from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions are the leading solution for a variety of commercial and mobile applications.
Ever-Power offers wide selection of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Cost effective, Energy conserving, Low Noise, Long provider life, Huge Radial Loading ability. We offer Winch with planetary gearboxes to your customers. Ever-Power manufactures customised gearboxes for material handling equipment.
We manufacture Electric 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 Speed – 750 to 2000 RPM
• Input : Electric / Hydraulic
• Rope Diameter : 8 mm to 25 m
Beacon Winches operated by Electric powered Motor (Brake Engine) 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 widely used in Material Handling Equipments, Mechanical Industry, Glucose Industry, Cement Industry, Chemical Industry, Food Industry, Building Industry, Agricultural Industry, Power Industry, Mobile Cranes and Over mind Cranes etc
Beacon Electrical 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 Metal IS:1030, Gr2, IS :2707 Gr2, Cast Iron CIGR 25/30, GGG40/50 OR SGI Case Carburised Steel and Hardened Steel.
Ever-Power Transmission planetary gearboxes are used on different part of wind energy plant: the rotor and the nacelle. Our slewing planetary equipment models from the yaw and pitch range are normally used to regulate blade pitch. The nacelle at the top of the tower is linked to the rotor and homes the gearbox, the power generator, the yaw program, and the control system. To make sure that the rotor axis is continually aligned with the wind path for maximum energy result, large wind turbines are equipped with a yaw system which allows the nacelle to change its position based on the direction and pressure of the wind. Nacelle rotation is definitely managed by a yaw program, planetary gear device with electric brake engine, which is one of Ever-Power s most popular products. Each wind turbine must 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, coupled with a worm gearbox on the input side, or four or five-stage gear models from the yaw and pitch drive series are normally used. Output pinions could be integrated or inserted. Ever-Power is certainly pleased with its quality assurance policy, including the Type Approval Certificate from DNV.
Producer of planetary Pitch Drive, Planetary gear reducer, Planetary geared motor, Epicyclic gearing, Planetary gearing, Gearboxes, may interchange and replace with brevini gearbox, david dark brown gearbox and so on.
Ever-Power have many years of experience in planetary Pitch Drive, we produce very good quality planetary Pitch Drive with very competitive prices. planetary Pitch Drive have already been designed for different transmission .
The power is transmitted form the electric motor to sun gearboxes. The sun gearboxes drives three planetary Pitch Drive, which are contained within an internal toothed band gearboxes. The planetary Pitch Drive are mounted on the planetary carrier. The planetary carrier is usually part output shaft. So when sunlight gearboxes rotates, it drives the three planetary Pitch Drive within the ring gearboxes.
As planetary Pitch Drive rotate with bears and automatically the highest torque and stiffness for confirmed envelope. The various other significant advantages are basic and efficient lubrication and a balanced system at high speeds. The well balanced planetary kinematics and the linked load sharing makes the planetary-type gearboxes truly ideal for servo applications.
Modular concept, we can after particularly short delivery time for gearboxes with a constantly high standard of quality whether your applications takes a reducer for motors, Let our term of engineers work for you.
PG planetary gear units are split into 21 basic organizations depending on the various 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 models, along with providing for a broad selection of coupling flanges for hydraulic or electrical motors. Another advantage provided by the modular construction technique of the planetary gear units may be the possibility to attach a series of phases of different sizes to be able to obtain a vast range of decrease ratios. The merchandise range provides reduction 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 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 electrical motors
New hydraulic motors have a higher-rated operating pressure and features a larger and stronger motor-shaft seal.
New integral engine and planetary gearbox casing brings the planetary equipment set nearer to the motor, raising efficiency and decreasing stress.
Gearbox comes with an updated input 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 ground, 18-36 in, tree and shrub, and 9- or 12-in. rock to complement the application.

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