In a planetary gearbox, many teeth are involved at once, that allows high speed decrease to be performed with relatively small gears and lower inertia reflected back again 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 tranny makes planetary gearboxes a popular choice for space-constrained applications.
But planetary gearboxes perform involve some disadvantages. Their complexity in design and manufacturing can make them a far more expensive solution than other gearbox types. And precision production is really important for these gearboxes. If one planetary equipment is put closer to the sun gear than the others, imbalances in the planetary gears may appear, leading to premature wear and failing. Also, the compact footprint of planetary gears makes temperature dissipation more difficult, therefore applications that run at high speed or encounter continuous procedure 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 include other gear sets (frequently 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 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)
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 units are divided into 21 basic groupings depending on the various torques that should be transmitted to the output 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, along with providing for a wide selection of coupling flanges for hydraulic or electric motors. Another advantage offered by the modular construction technique of the planetary gear units may be the possibility to mount a series of levels of different sizes in order 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 selection 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 at least one 1.280 kNm
– Coupling flanges for hydraulic or electric powered motors
New hydraulic motors have a higher-rated operating pressure and includes a larger and more durable motor-shaft seal.
New integral electric motor and planetary gearbox casing brings the planetary gear set closer 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 world 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.
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 occurs in analogy to the orbiting of the planets in the solar program. This is how 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 known as a ring gear. In the majority of cases the housing is fixed. The traveling sun pinion is definitely in the center of the ring gear, and is coaxially arranged with regards to the output. The sun pinion is usually attached to a clamping system in order to provide the mechanical link with the engine shaft. During procedure, the planetary gears, which are mounted on a planetary carrier, roll between your sunlight pinion and the ring 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 amount of teeth does not have any effect on the transmission ratio of the gearbox. The amount of planets can also vary. As the number of planetary gears boosts, the distribution of the strain increases and then the torque which can be transmitted. Increasing the number of tooth engagements also reduces the rolling power. Since only portion of the total output needs to be transmitted as rolling power, a planetary gear is incredibly efficient. The benefit of a planetary gear compared to an individual spur gear lies in this load distribution. Hence, it is feasible to transmit high torques wit
h high efficiency with a compact design using planetary gears.
So long as the ring gear has a continuous size, different ratios could be realized by different the number of teeth of sunlight gear and the amount of tooth of the planetary gears. Small the sun gear, the greater the ratio. Technically, a meaningful ratio range for a planetary stage is approx. 3:1 to 10:1, because the planetary gears and sunlight gear are extremely little above and below these ratios. Higher ratios can be acquired by connecting many planetary stages in series in the same ring gear. In this instance, we speak of multi-stage gearboxes.
With planetary gearboxes the speeds and torques can be overlaid by having a ring gear that’s not set but is driven in virtually any direction of rotation. Additionally it is possible to fix the drive shaft in order to pick up the torque via the band equipment. Planetary gearboxes have grown to be extremely important in many regions of mechanical engineering.
They have grown to be particularly more developed in areas where high output levels and fast speeds should be transmitted with favorable mass inertia ratio adaptation. High tranny ratios may also easily be achieved with planetary gearboxes. Because of their positive properties and small design, the gearboxes have many potential uses in industrial applications.
The benefits of planetary gearboxes:
Coaxial arrangement of input shaft and output shaft
Load distribution to several 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 because of 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
Variety of input options
Straight in for an upon centerline adaptation offering a symmetrical clearance around the hydraulic motor input
Offset straight in allows the hydraulic motor be mounted off center
Right angle input movements the hydraulic engine 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 many required output connections
An added output option includes the output without exterior shaft by offering 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 would depend on the drive configuration.
2 Max input speed linked to ratio and max result 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) are the favoured choice for applications requiring a concise 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 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, compact, planetary wheel drive transmission; boasting low and high velocity features and unbeatable long-life functionality, perfect for winches and mobile tools.
With capacities ranging from 845Nm to 332,000Nm, our innovative range of planetary Torque Hub® transmissions will be the leading solution for a variety of commercial and mobile applications.
Ever-Power offers wide range of Planetary Winch Drives which are Highly regular modular designed, Better in quality, Affordable, Energy efficient, Low Noise, Long provider life, Huge Radial Loading capability. 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
Capacity – 2000Kg to 20000Kg
• Ratio: 3.6 : 1 to 8000 : 1
• Insight 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 Electric powered Motor (Brake Engine) and Hydraulic Engine and supplied with Metal Wire ropes and Control panel Beacon Winches are compact, Foot mounted, Efficient, having high Load Carrying Capability, reversible
Beacon Winches widely used in Planetary Gearboxes are trusted in Material Handling Equipments, Mechanical Industry, Sugar Industry, Cement Industry, Chemical substance Industry, Food Industry, Structure Industry, Agricultural Market, Power Industry, Mobile Cranes and Over head Cranes etc
Beacon Electric Winches are manufactured from superior quality raw materials such as for example 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 Metal 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 gear devices from the yaw and pitch range are normally used to regulate blade pitch. The nacelle at 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 ensure that the rotor axis is continually aligned with the wind direction for maximum energy output, large wind turbines include a yaw system which allows the nacelle to adjust its position based on the direction and drive of the wind. Nacelle rotation is managed by a yaw system, planetary gear device with electric brake electric motor, which is one of Ever-Power s most popular 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 insight aspect, or four or five-stage gear units from the yaw and pitch drive series are normally used. Output pinions could be included or inserted. Ever-Power is certainly proud of its quality assurance policy, 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 many years of experience in planetary Pitch Drive, we produce very high quality planetary Pitch Drive with very competitive prices. planetary Pitch Drive have already been designed for different transmission .
The power is transmitted form the motor to sun gearboxes. Sunlight gearboxes drives three planetary Pitch Drive, which are contained within an internal toothed ring 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 inside the ring gearboxes.
As planetary Pitch Drive rotate with bears and automatically the best torque and stiffness for a given envelope. The additional significant advantages are basic and efficient lubrication and a balanced program at high speeds. The well balanced planetary kinematics and the associated load posting makes the planetary-type gearboxes truly ideal for servo applications.
Modular concept, we can after particularly brief 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 divided 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. Actually, the product modular construction permits the coupling of bevel gears, worm gears, hydraulic brakes and a number of input shafts to the planetary systems, in addition to providing for a wide choice of coupling flanges for hydraulic or electrical motors. Another advantage offered by the modular structure technique of the planetary equipment units is the possibility to attach a series of levels of different sizes to be able to get yourself a vast range of decrease ratios. The product 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 device. The wide range of result shafts and flanges simplifies the decrease unit mounting operation 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 electric motors
New hydraulic motors have a higher-rated operating pressure and features a larger and stronger motor-shaft seal.
New integral electric motor and planetary gearbox casing brings the planetary equipment set closer to the motor, increasing efficiency and decreasing stress.
Gearbox comes with an updated insight 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 world gears in the PA30B gearbox improved 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.