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China wholesaler Hydraulic Transmission Planetary Winch Gearbox for Crane with high quality

Product Description

Hydraulic Transmission Planetary Winch Gearbox for Crane

Product Description
SGR planetary gear motor 
Technical data:
1. Ratio range: 8.1-191
2. Input power: 0.12-270 KW
3. Permit torque rang: ≤ 50000 N. M
4. Output speed: 0.3~205 r/min
5. Structure: Foot-mounted, flange-mounted, shaft-mounted

Input structure motor,IEC flange
Output speed motor,IEC flange,input shaft
  solid shaft, hollow shaft with key,with shrink disk

1. Adopt optimized design, module combination, right angle output, space reduction
2. High strength and longevity gears
3. Can be combined with various motors, wider ratio range
4. Big output torque, smoothly startup, high efficiency
Production pictures:

1.Are you a factory or trader ?
We are a professional factory which has 20 years history specialized in gear transmission .
Our MOQ is 1pcs. However there is 1 handling cost $150 for the single order which less than $3000.00
3. Warranty
Our warranty is 12months
4. Payment term
100% T/T in advance and LC at sight .
5. Do you accept customization ?
YES.SGR have strong R&D team, we can provide customizable service according to requirements.
6. Packing
Generally we use standard export plywood case to arrange the shipment .
7. Delivery time
In normal ,time of delivery is 30days after receiving the prepayment .
8. What kinds of certification do you use ?
DNV-ISO9001:2008, SGS,CE etc, And new products patent.
9. What kinds of inspection you do before shipment ?
We do temperature test, noise, and oil leak inspection and commissioning before shipment.
10.How do you solve if the production have problem ?
Mostly, we don’t need customer send the goods back to us. Because the cost is very high, if there meets a problem,we firstly ask for the pictures for damaged parts. And base on the pictures, we can have a basic idea for the defect reason. Our guarantee is 12 months, if during the guarantee, we can supply repair . 


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Application: Motor, Electric Cars, Machinery, Marine, Agricultural Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Four-Step
US$ 2000/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

planetary gearbox

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes

Designing planetary gearboxes with high gear ratios while maintaining compactness presents several challenges:

  • Space Constraints: As the gear ratio increases, the number of gear stages required also increases. This can lead to larger gearbox sizes, which may be challenging to accommodate in applications with limited space.
  • Bearing Loads: Higher gear ratios often result in increased loads on the bearings and other components due to the redistribution of forces. This can impact the durability and lifespan of the gearbox.
  • Efficiency: Each gear stage introduces losses due to friction and other factors. With multiple stages, the overall efficiency of the gearbox can decrease, affecting its energy efficiency.
  • Complexity: Achieving high gear ratios can require complex gear arrangements and additional components, which can lead to increased manufacturing complexity and costs.
  • Thermal Effects: Higher gear ratios can lead to greater heat generation due to increased friction and loads. Managing thermal effects becomes crucial to prevent overheating and component failure.

To address these challenges, gearbox designers use advanced materials, precise machining techniques, and innovative bearing arrangements to optimize the design for both compactness and performance. Computer simulations and modeling play a critical role in predicting the behavior of the gearbox under different operating conditions, helping to ensure reliability and efficiency.

planetary gearbox

Impact of Temperature Variations and Environmental Conditions on Planetary Gearbox Performance

The performance of planetary gearboxes can be significantly influenced by temperature variations and environmental conditions. Here’s how these factors impact their operation:

Temperature Variations: Extreme temperature fluctuations can affect the lubrication properties of the gearbox. Cold temperatures can cause the lubricant to thicken, leading to increased friction and reduced efficiency. On the other hand, high temperatures can cause the lubricant to thin out, potentially leading to insufficient lubrication and accelerated wear.

Environmental Contaminants: Planetary gearboxes used in outdoor or industrial environments can be exposed to contaminants such as dust, dirt, moisture, and chemicals. These contaminants can infiltrate the gearbox and degrade the quality of the lubricant. Additionally, abrasive particles can cause wear on gear surfaces, leading to decreased performance and potential damage.

Corrosion: Exposure to moisture, especially in humid or corrosive environments, can lead to corrosion of gearbox components. Corrosion weakens the structural integrity of gears and other components, which can ultimately result in premature failure.

Thermal Expansion: Temperature changes can cause materials to expand and contract. In gearboxes, this can lead to misalignment of gears and improper meshing, causing noise, vibration, and reduced efficiency. Proper consideration of thermal expansion is crucial in gearbox design.

Sealing and Ventilation: To mitigate the impact of temperature and environmental factors, planetary gearboxes need effective sealing to prevent contaminants from entering and to retain the lubricant. Proper ventilation is also essential to prevent pressure build-up inside the gearbox due to temperature changes.

Cooling Systems: In applications where temperature control is critical, cooling systems such as fans or heat exchangers can be incorporated to maintain optimal operating temperatures. This helps prevent overheating and ensures consistent gearbox performance.

Overall, temperature variations and environmental conditions can have a profound impact on the performance and lifespan of planetary gearboxes. Manufacturers and operators need to consider these factors during design, installation, and maintenance to ensure reliable and efficient operation.

planetary gearbox

Common Applications and Industries of Planetary Gearboxes

Planetary gearboxes are widely utilized across various industries and applications due to their unique design and performance characteristics. Some common applications and industries where planetary gearboxes are commonly used include:

  • Automotive Industry: Planetary gearboxes are found in automatic transmissions, hybrid vehicle systems, and powertrains. They provide efficient torque conversion and variable gear ratios.
  • Robotics: Planetary gearboxes are used in robotic joints and manipulators, providing compact and high-torque solutions for precise movement.
  • Industrial Machinery: They are employed in conveyors, cranes, pumps, mixers, and various heavy-duty machinery where high torque and compact design are essential.
  • Aerospace: Aerospace applications include aircraft actuation systems, landing gear mechanisms, and satellite deployment mechanisms.
  • Material Handling: Planetary gearboxes are used in equipment like forklifts and pallet jacks to provide controlled movement and high lifting capabilities.
  • Renewable Energy: Wind turbines use planetary gearboxes to convert low-speed, high-torque rotational motion of the blades into higher-speed rotational motion for power generation.
  • Medical Devices: Planetary gearboxes find applications in medical imaging equipment, prosthetics, and surgical robots for precise and controlled motion.
  • Mining and Construction: Planetary gearboxes are used in heavy equipment like excavators, loaders, and bulldozers to handle heavy loads and provide controlled movement.
  • Marine Industry: They are employed in marine propulsion systems, winches, and steering mechanisms, benefiting from their compact design and high torque capabilities.

The versatility of planetary gearboxes makes them suitable for applications that require compact size, high torque density, and efficient power transmission. Their ability to handle varying torque loads, offer high gear ratios, and maintain consistent performance has led to their widespread adoption across numerous industries.

China wholesaler Hydraulic Transmission Planetary Winch Gearbox for Crane   with high quality China wholesaler Hydraulic Transmission Planetary Winch Gearbox for Crane   with high quality
editor by CX 2024-02-10

China Professional Hydraulic Transmission Planetary Gearbox for Crane with Free Design Custom

Merchandise Description

Hydraulic Transmission Planetary Gearbox for Crane

Complex Parameter:                                                                                                 

Output Torque Selection: a thousand to 450,000 N.m

Transmissible Mechanical Energy: up to 450 kW

Equipment Ratios: 3 to 9000

Equipment Unit Variations:

In line (Co-axial )

Appropriate angle (with a spiral bevel gear set)

Output Configuration:

Foot and flange mounted

Output shaft: reliable with essential, spline, spline hollow,

Hollow with shrink disc

Input Configurations

Flanged axial piston hydraulic motors

Hydraulic orbit motors

IEC and NEMA motor adaptors

Reliable input shaft

Hydraulic Brake: Hydraulically unveiled parking brake on request



N series planetary speed reducer is commonly utilized for industrial apps. With the patterns deriving from CZPT innovating, the merchandise makes great development in a compact, price tag performance and mix. The merchandise configuration is extremely versatile because of to numerous options as much as the mounting, the output shaft and the motor interface. With overloading bearing mounted to the output shaft, the items has been 1 of the powerful remedies to heavy-duty drive difficulties.

ABOUT US:                                                                                         
ZheJiang CZPT Weighty Business Equipment Co., Ltd.(previously known as ZheJiang CZPT Reducer Co., Ltd. ) (sgrgear)  has accrued prosperous first planning & production encounter after being founded in 1996. CZPT model planetary equipment reducer has won honor of “Science and Engineering Advancement Prize” awarded by the Countrywide Speed Reducer & Variator Industry Affiliation.
We generate planetary gear units, planar double-enveloping worm gear pace reducers (cone worm equipment reducer), helical-bevel gear motors, worm equipment reducers, helical worm equipment motors, helical gear motors and numerous other sorts of gear models. CZPT equipment motors and equipment units have offered satisfactory performance in different industrial purposes, including metallurgy, mineral, architecture, shipbuilding, petroleum blend, aviation area-flight, carry routeing, textile mechanic, cement, prescription drugs, pumps, standard mechanic and other domain.
With the advantage of substantial good quality & aggressive cost, CZPT equipment motor and equipment models are widely welcomed in the domestic marketplace and exported to Southeast Asia, Middle Asia, North The united states and European international locations and many others.
With the excellent tests plan, CZPT business is often retaining up with the most superior technologies in the world. We have previously acquired DNV-ISO9001: 2008 certification,SGS, CE and many others and a patent on CZPT CZPT gearbox. 
We have adopted sophisticated CAD and CIMS in design and style & manufacture, which aid our engineers create 3 – 5 series of new productive items every 12 months. All workers in revenue & support department are effectively educated termly, as a result you will be usually warmly welcomed and comprehended by our organization


The Essentials of a Planetary Gearbox

The standard model of a planetary gearbox is a highly successful transmission that transmits almost ninety per cent of the electrical power it receives. The basic planetary gearbox comes in a few standard sorts: Inline, Helical, and Spur. Underneath, we will discuss the variances in between each and every of them and which a single is far better for your requirements. A planetary gearbox is an important component of any motor and may be the ideal decision for your motor vehicle.

Inline planetary gearbox

An inline planetary gearbox has an inline arrangement of gears that permits the transfer of energy. Its layout can make it secure and trustworthy, and the place and weight-preserving positive aspects make it a popular decision for many applications. Planetary gearboxes have lower inertia, high torque, and a extensive selection of reduction ratios, which make them a flexible option for several industries. To find out a lot more about this sort of gearbox, study about its development and specs.
A planetary gearbox is composed of two components: a sun gear (also known as the central or enter gear), and two world gears (also referred to as outer gears). These gears are related to each other through a carrier. In purchase to get the ideal efficiency from your gearbox, it really is essential to find a design with the features and benefits required for your application. Also, be confident to verify out the supply time, world-wide availability, and customer support of your chosen constructor. A few constructors are faster than others and have the capability to react speedily, although other individuals can provide every solitary planetary gearbox out of stock.
Regardless of whether you might be using an inline planetary gearbox for your car’s transmission, or you might be developing a new device, it really is important to select the correct dimensions for your software. The most common ratio is five:1, but an inline gearbox can be as high as a thousand:1! The torque assortment is in between 250-950 lb-in for ongoing torque, and up to 5800 lb-in for produce torque. Some firms even offer custom made shafts if you require them to in shape a particular application.
Inline planetary gearboxes have a higher ratio of helical rotation and are helpful for programs exactly where space is constrained. Their minimal-backlash layout allows them to handle large torques and higher accelerations without backlash. Even with their compact measurement, planetary equipment techniques also have higher one-phase reduction ratios, a attribute that tends to make them excellent for a range of industrial programs. They can also be linked for high reduction ratios.
An inline planetary gearbox can be utilized in numerous purposes, from small equipment to large industrial machinery. Its basic style consists of three elements: an enter gear pair, an output equipment pair, and a stationary place. Some planetary gearbox designs also include added equipment sets that can offer a slight offset among input and output. A planetary gearbox may possibly also contain a number of bearings, which make the assembly much more robust and dependable.
Inline planetary gear reducers are commonly used in industrial options to sluggish down an electric powered motor. They are able to multiply torque, which indicates they can decrease the enter pace to a degree exactly where the mechanical gadgets inside the motor can perform properly. This kind of gear reducer also has a lower clearance, which tends to make it best for machines with higher torque. Nevertheless, you need to think about the sum of torque needed in your software just before you make a purchase.

Helical planetary gearbox

A helical planetary gearbox is a variety of mechanical program. The gears are related by joints to the carrier that retains the planets stationary. The sunlight gear serves as an enter to the other gears, and the planet gears rotate at a fee that depends on the number of tooth in every equipment. The ratio in between these gears is -Ns/Np, and the quantity of tooth in the ring is N r, N s, and N p.
Yet another variety of planetary gearbox employs several helical axes to distribute the load. This design also gives substantial stiffness and lower backlash, which is crucial for apps involving recurrent start-end cycles and rotational course alterations. It also characteristics a compact design and reduced mass inertia. A helical planetary gearbox can be employed for a wide variety of applications. Shown underneath are some of the rewards of helical gear technology.
The fundamental style of a helical planetary gear is dependent on the basic principle of stepping planets. This notion gets rid of the require for timing marks and restrictive assembly circumstances. The planetary gear’s helical condition can be modified to attain a better transmission ratio in an equivalent or smaller sized quantity. For example, a fifty-T ring equipment will generate the exact same result as a 100-T ring equipment.
In addition to the helical axis, a helical planetary gearbox also has a broad assortment of secondary attributes that are crucial to torque transmission. For instance, compact needle roller bearings are proper for a helical planetary gearbox simply because of their low-profile design and tiny place. Even so, a tapered roller bearing is better suited to handling substantial axial forces. In general, a helical planetary gearbox will have a larger performance charge and lower noise amounts.
A helical planetary gearbox will have a variety of factors that can vary in size and condition. They will contain a sunshine equipment and many planetary elements. The central sunlight gear will get a minimal-torque enter and will run several exterior gears to improve the torque and pace. This simple design of a planetary gearbox is extremely successful, transferring 97% of the power enter. There are a few primary types of planetary gearboxes: the cylindrical planetary gearbox, the helical planetary gearbox, and the helical wormwheel.
The CZPT is a very good illustration of an entry-degree helical planetary gearbox. It is extremely reliable and aimed at providing torque in tranquil applications with higher precision. The Obtain collection is one more alternative, which is created to meet up with the demands of the reduced-backlash planetary gearbox market. It features helical planetary gears with five to eight arc-minutes backlash, and is created on a monobloc housing.
A helical planetary gearbox is extensively employed in 3D printing. They are lightweight and can provide a substantial equipment ratio. In addition to their lower excess weight and higher performance, some individuals have set up them into 3D printers to improve the accuracy of their patterns. And in addition to 3D printing, helical gears are used in several industrial apps. If you’re considering about buying 1, you ought to know what the benefits are.

Spur planetary gearbox

There are a lot of benefits to a spur planetary gearbox, from its compact design and style and minimal cost to its unmatched power transmission potential for each unit quantity. Planetary gears have substantial efficiency for every stage and can obtain up to 95% performance, relying on the ratio. World gears are mounted on a joint carrier, and the output rotation speed is slower than the travel rotation velocity, which leads to improved torque. The higher the equipment wheels, the a lot more torque the unit can generate.
A spur planetary gearbox incorporates multiple other equipment sets that need to have helical tooth. These other gear sets should be helical, and the motor should be aligned with the driven components. The spur gears are the most effective kind of planetary equipment, as their enamel are symmetrical, which implies no axial forces are produced. The distinction in between a spur and a planetary gearbox is its form.
The appropriate angle spur planetary gearbox is a flexible style with a spiral bevel gear that provides outstanding smoothness and quiet procedure. This gearhead is case-hardened and ground to enhance its performance. These gears can be purchased in 3-100 ratios. Spur planetary gearboxes can also have ISO rotary flanges, keyed shafts, DIN splines, or hollow compression connections.
A spur planetary gearbox utilizes spur gears close to the circumference of the mechanism. The spur gears rotate in between gears that have interior and exterior tooth. Because of this, the angular velocity of the spur gear differential provider is the average of the ring gears and solar gears. A spur gearbox can also be regarded as a compound planetary equipment. It is generally utilized for servo applications. In contrast to spur gears, helical planetary gears are easier to preserve and have lower noise stages.
The most notable difference between a spur planetary gearbox and a planetary gearhead is the lubrication of the pinion and the spur equipment head. A spur gear head is significantly less complicated, but can’t take care of the identical sum of load as a planetary gearhead. The two varieties can obtain the very same backlash, but a planetary gearhead has better lubrication retention than a spur equipment. It can operate at higher speeds with no extreme lubrication, while a spur equipment generate is a lot more efficient at low speeds. The reduction ratio of a planetary gearhead is close to unity although that of a planetary gear head is several thousand to a single.
A planetary gearbox has many apps. Plastic equipment, items & personnel lifts, and equipment instruments are all primary examples of these kinds of gearing systems. Other industries that use these gears consist of wind turbines and sugar crystallizers, as well as steel and sugar mills. And of course, the use of planetary gears is not limited to these industries. It is used in several different approaches, like slewing drives, mill push, and derrick & dockyard cranes

China Professional Hydraulic Transmission Planetary Gearbox for Crane     with Free Design CustomChina Professional Hydraulic Transmission Planetary Gearbox for Crane     with Free Design Custom