ep

December 19, 2019

In a planetary gearbox, many teeth are involved at once, which allows high speed reduction to be achieved with relatively small gears and lower inertia reflected back again to the engine. Having multiple teeth discuss the load also allows planetary gears to transmit high degrees of torque. The mixture of compact size, huge speed reduction and high torque transmitting makes planetary gearboxes a favorite choice for space-constrained applications.
But planetary gearboxes do have some disadvantages. Their complexity in style and manufacturing can make them a more expensive alternative than other gearbox types. And precision production is extremely important for these gearboxes. If one planetary equipment is positioned closer to the sun gear than the others, imbalances in the planetary gears may appear, leading to premature wear and failure. Also, the small footprint of planetary gears makes heat dissipation more difficult, so applications that run at very high speed or encounter continuous procedure may require cooling.
When using a “standard” (i.e. inline) planetary gearbox, the motor and the powered equipment must be inline with one another, 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 would depend 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 (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 groupings depending on the different torques that are to be transmitted to the result shaft, which can change 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 variety of insight shafts to the planetary models, 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 gear units is the possibility to attach a series of stages of different sizes to be able to obtain a vast range of decrease ratios. The product 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 unit. The wide selection 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 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 engine and planetary gearbox casing brings the planetary gear set closer to the motor, increasing efficiency and reducing stress.
Gearbox has an updated insight shaft with a more sturdy design.
Maximum torque rating for PA30B improved from 4,166 to 4,500 ft.-lb. and improved gear reduction. 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 match 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 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 program. This is one way planetary gears obtained their name.
The components of a planetary gear train can be divided into four main constituents.
The housing with integrated internal teeth is actually a ring gear. In nearly all cases the housing is fixed. The driving sun pinion is in the heart of the ring gear, and is coaxially arranged with regards to the output. The sun pinion is usually attached to a clamping system to be able to provide the mechanical link with the engine shaft. During procedure, the planetary gears, which are installed on a planetary carrier, roll between the sun pinion and the ring equipment. The planetary carrier also represents the output shaft of the gearbox.
The sole purpose of the planetary gears is to transfer the mandatory torque. The amount of teeth does not have any effect on the tranny ratio of the gearbox. The amount of planets can also vary. As the number of planetary gears improves, 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 section of the total result has to be transmitted as rolling power, a planetary gear is incredibly efficient. The advantage of a planetary gear compared to an individual spur gear lies in this load distribution. Hence, it is possible to transmit high torques wit
h high efficiency with a compact style using planetary gears.
Provided that the ring gear includes a continuous size, different ratios could be realized by various the number of teeth of sunlight gear and the number of the teeth of the planetary gears. Small the sun gear, the greater the ratio. Technically, a meaningful ratio range for a planetary stage can be 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 ring gear. In cases like this, 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 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 equipment. Planetary gearboxes have become extremely important in lots of 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 transmitting ratios can also easily be performed with planetary gearboxes. Because of their positive properties and compact 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 many planetary gears
High efficiency because of low rolling power
Almost unlimited transmission ratio options due to mixture of several planet stages
Ideal 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 a wide range of applications1
Hot Tags: planetary gear drive, China, suppliers, producers, factory, wholesale, buy, made 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 on centerline adaptation offering a symmetrical clearance about the hydraulic motor input
Offset straight in enables the hydraulic motor be mounted off center
Right angle input movements the hydraulic 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 various required output connections
An added output option includes the output without exterior 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 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 (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 engine inputSAE C or D
Show More
Planetary gear drives (epicyclic gears) are the favoured choice for applications requiring a concise gear solution that’s capable of maintaining ideal high torque outputs.
We stock a comprehensive range of globally renowned Ever-Power items; prestigiously made to accept standard hydraulic motors, with the choice of a shaft insight version suitable for a wide range of shaft, wheel and spindle drive applications.
A customer favourite from our planetary equipment drives range may be the Ever-Power-speed, small, planetary wheel drive transmission; boasting low and high speed features and unbeatable long-life overall performance, well suited for winches and mobile products.
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 industrial and mobile applications.
Ever-Power offers wide selection of Planetary Winch Drives which are Highly standard modular designed, Better in quality, Cost effective, Energy efficient, Low Noise, Long service life, Huge Radial Loading capability. We provide Winch with planetary gearboxes to our customers. Ever-Power manufactures customised gearboxes for materials handling equipment.
We manufacture Electric Winches capability 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 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 Electric motor and supplied with Steel 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 Managing Equipments, Mechanical Industry, Sugars Industry, Cement Industry, Chemical substance Industry, Food Industry, Construction Industry, Agricultural Industry, Power Industry, Cellular Cranes and Over mind Cranes etc
Beacon Electrical Winches are manufactured from excellent quality raw material such as for example Alloy Steel EN8/EN9, 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 part of wind energy plant: the rotor and the nacelle. Our slewing planetary gear models from the yaw and pitch range are normally 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 program, and the control system. To make sure that the rotor axis is constantly aligned with the wind direction for maximum energy result, large wind turbines are equipped with a yaw system which allows the nacelle to change its position according to the direction and force of the wind. Nacelle rotation is definitely controlled by a yaw system, planetary gear unit with electric brake electric motor, which is one of Ever-Power s most popular products. Each wind turbine will need to have between two and six gear units, based on the size, and the motor can be electrical or hydraulic. Two or three-stage gear units, combined with a worm gearbox on the input side, or four or five-stage gear devices from the yaw and pitch drive series are normally used. Output pinions can be integrated or inserted. Ever-Power is definitely proud of its quality assurance plan, including the Type Authorization Certificate from DNV.
Producer of planetary Pitch Drive, Planetary equipment reducer, Planetary geared electric motor, Epicyclic gearing, Planetary gearing, Gearboxes, can interchange and replace with brevini gearbox, david brown gearbox and so on.
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 power is transmitted form the engine to sun gearboxes. Sunlight 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 can be part output shaft. Therefore when sunlight gearboxes rotates, it drives the three planetary Pitch Drive in the ring gearboxes.
As planetary Pitch Drive rotate with carries and automatically the highest torque and stiffness for a given envelope. The various other significant advantages are simple and efficient lubrication and a well balanced program at high speeds. The well balanced planetary kinematics and the connected load posting 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 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 different torques that should be transmitted to the output shaft, which can vary from 0,05 to at least one 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 products, and also providing for a wide selection of coupling flanges for hydraulic or electrical motors. Another advantage provided by the modular building technique of the planetary equipment units may be the possibility to mount a series of levels of different sizes in order to get yourself a vast range of decrease ratios. The product range provides reduction ratios from 3:1 to 7:1 about the same stage unit 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 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 more durable motor-shaft seal.
New integral electric motor and planetary gearbox casing brings the planetary equipment set nearer to the motor, raising efficiency and decreasing stress.
Gearbox comes with 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 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 ground, 18-36 in, tree and shrub, and 9- or 12-in. rock to complement the application.