Product Description
Product Description
CHINAMFG planetary reducer gearbox is designed with large torque, high start and transmission efficiency, low-speed stability,compact radial size, low noise, etc. The main devices we are making are walking reducers, lifting reducers and swing reducers.
They are widely used for vehicle cranes, crawler cranes, truck mounted cranes, marine cranes, aerial work trucks, excavators, etc.
1)Compact size
2)Low noise
3)High transmission efficiency
4)Good working condition under lower speed
5)Customized hydraulic motors
and brakes for different request
6)One Year Warranty from reception 7)Free components for replacement within warranty period
8)Professional and tailored solution for different requirements
9)Free technical support at any time
10)Customer training isavailable.
Product Parameters
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Slewing Reducer
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Model
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DH12B20E
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DH17B32E
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DH18B39S
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DH25B32S
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Max. output torque
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12000 Nm
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16500 Nm
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17500 Nm
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25000 Nm
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Ratio
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20.9
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31.36
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38.82
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31.36
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Weight (no motor, oil, drum)
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125 kgs
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165 kgs
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225 kgs
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240 kgs
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Modules of output gear; Modification Coefficient
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m=8,10,12,14mm; x=0.5
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m=8,10,12,14mm; x=0.5
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m=8,10,12,14mm; x=0.5
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m=12,14,16mm; x=0.5
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Model
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DH29B40S
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DH29B60S
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DH38B100S
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DH50B120S
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Max. output torque
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28500 Nm
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29000 Nm
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38000 Nm
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48500 Nm
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Ratio
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39.43
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60.13
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100.75
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120.83
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Weight (no motor, oil, drum)
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210-260 kgs
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250 kgs
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315 kgs
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380-425 kgs
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Modules of output gear; Modification Coefficient
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m=12,14,16mm; x=0.5
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m=12,14,16mm; x=0.5
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m=12,14,16mm; x=0.5
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m=16 or 18mm; x=0.5
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Hydraulic motor
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Motor interface structure can be designed with customer requirement
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Remark
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1. The input steering direction is opposite to the output. 2. For more ratio requirements, please consult us.
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Packaging & Shipping
1. Packed by wooden box, fumigation-free for export and import standard.
2. Shipped by sea or air with customer require
Company Profile
FAQ
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| Application: | Electric Cars, Machinery, Marine, Car, Lift Equipment |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Step: | Four-Step |
| Ratio: | Customized |
| Customization: |
Available
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|
|---|

What are the signs that indicate a need for winch drive replacement or maintenance, and how can they be diagnosed?
Winch drives, like any mechanical component, require regular maintenance and may eventually need replacement. Here’s a detailed explanation of the signs that indicate a need for winch drive replacement or maintenance and how they can be diagnosed:
- Unusual Noises:
If you notice unusual noises such as grinding, squealing, or rattling coming from the winch drive, it may indicate a problem that requires maintenance. These noises can be caused by worn-out gears, misaligned components, or damaged bearings. Diagnosing the issue involves inspecting the winch drive for any visible signs of damage or wear, and listening carefully to identify the source of the noise. Professional technicians can perform a thorough examination, including disassembling the winch drive if necessary, to identify the specific cause and determine if repair or replacement is needed.
- Excessive Vibration:
If the winch drive exhibits excessive vibration during operation, it may be a sign of misalignment, loose connections, or worn-out components. Excessive vibration can lead to accelerated wear and potential damage to the system. To diagnose the issue, visual inspection should be conducted to check for loose bolts, misaligned shafts, or damaged mounting brackets. Additionally, measuring and analyzing the vibration levels using specialized equipment can provide valuable insights into the severity of the problem. Based on the findings, appropriate maintenance actions can be taken, such as realigning components or replacing worn-out parts.
- Reduced Performance:
If the winch drive exhibits reduced performance, such as slower operation, decreased pulling force, or inconsistent speed control, it may indicate the need for maintenance or replacement. Reduced performance can be caused by various factors, including worn-out gears, insufficient lubrication, motor issues, or electrical problems. Diagnosing the cause involves conducting performance tests to measure parameters such as speed, torque, and load capacity. Additionally, a comprehensive inspection of the winch drive’s components, including motors, gearboxes, and control systems, can help identify any underlying issues affecting performance. Based on the findings, appropriate maintenance or replacement measures can be taken to restore optimal performance.
- Fluid Leaks:
Fluid leaks, such as oil or hydraulic fluid, around the winch drive are clear signs of a potential problem. Fluid leaks can indicate damaged seals, gaskets, or hoses, which can lead to loss of lubrication or compromised hydraulic systems. Diagnosing fluid leaks involves visually inspecting the winch drive for any signs of leakage, including oil stains, puddles, or wetness around the components. Identifying the source of the leak is crucial to determine the appropriate maintenance or replacement actions required, such as replacing seals or repairing hydraulic lines.
- Overheating:
If the winch drive becomes excessively hot during operation, it may indicate a need for maintenance or replacement. Overheating can be caused by factors such as inadequate ventilation, overloading, or motor issues. Diagnosing overheating involves monitoring the temperature of the winch drive during operation, using infrared thermometers or temperature sensors. Additionally, inspecting the cooling mechanisms, such as fans or heat sinks, and checking for any obstructions or malfunctions can provide insights into the cause of overheating. Depending on the severity of the issue, actions such as cleaning, adjusting ventilation, or replacing overheating components may be necessary.
In summary, signs that indicate a need for winch drive replacement or maintenance include unusual noises, excessive vibration, reduced performance, fluid leaks, and overheating. Diagnosing these signs involves visual inspection, performance testing, monitoring, and analysis to identify the specific cause. Engaging professional technicians or maintenance personnel who are familiar with winch drives can help ensure accurate diagnosis and appropriate maintenance or replacement actions to address the identified issues.

What safety considerations should be taken into account when using winch drives?
Using winch drives involves certain safety considerations to ensure the well-being of operators, prevent accidents, and protect the equipment and the load being lifted. Here’s a detailed explanation of the safety considerations that should be taken into account when using winch drives:
- Operator Training:
Proper training is essential for operators who will be using winch drives. They should receive comprehensive training on the safe operation of winch drives, including understanding the controls, procedures, safety features, and potential hazards. Training should cover load calculations, safe working loads, and the importance of following safety guidelines and manufacturer’s instructions.
- Equipment Inspection:
Prior to each use, winch drives should be thoroughly inspected to ensure they are in proper working condition. This includes checking for any signs of damage, wear, or corrosion. The cables or ropes should be inspected for fraying, kinks, or other defects. Any damaged or malfunctioning components should be repaired or replaced before operating the winch drive.
- Load Capacity:
It is crucial to adhere to the specified load capacity of the winch drive. Exceeding the maximum load capacity can lead to equipment failure, accidents, and injuries. Operators should accurately determine the weight of the load to be lifted and ensure it falls within the winch drive’s rated capacity. If the load exceeds the capacity, alternative lifting methods or equipment should be used.
- Secure Anchoring:
Winch drives should be securely anchored to a stable and appropriate mounting point. This ensures that the winch drive remains stable during operation and prevents unintended movement. The anchoring point should be capable of withstanding the forces generated during lifting or pulling operations. Proper anchoring minimizes the risk of equipment tipping over or shifting unexpectedly.
- Personal Protective Equipment (PPE):
Operators should wear appropriate personal protective equipment (PPE) when using winch drives. This may include safety helmets, gloves, eye protection, and high-visibility clothing. PPE helps protect operators from potential hazards such as falling objects, flying debris, or contact with moving parts. The specific PPE requirements should be determined based on the nature of the lifting operation and any applicable safety regulations.
- Safe Operating Distance:
Operators and other personnel should maintain a safe distance from the winch drive during operation. This prevents accidental contact with moving parts or the load being lifted. Clear warning signs or barriers should be used to define the restricted area around the winch drive. Operators should never place themselves or others in the potential path of the load or in a position where they could be struck by the load in case of a failure or slippage.
- Emergency Stop and Controls:
Winch drives should be equipped with emergency stop mechanisms or controls that allow operators to quickly halt the operation in case of an emergency. All operators should be familiar with the location and operation of the emergency stop controls. Regular testing and maintenance of these controls are essential to ensure their effectiveness in emergency situations.
- Proper Rigging and Rigging Techniques:
Correct rigging techniques should be followed when attaching the load to the winch drive. This includes using appropriate slings, hooks, or attachments and ensuring they are properly secured. Improper rigging can lead to load instability, shifting, or falling, posing a significant safety risk. Operators should be trained in proper rigging techniques and inspect the rigging components for wear or damage before each use.
- Regular Maintenance:
Winch drives should undergo regular maintenance as recommended by the manufacturer. This includes lubrication, inspection of cables or ropes, checking for loose bolts or connections, and verifying the functionality of safety features. Regular maintenance helps identify and address potential issues before they lead to equipment failure or accidents.
By considering these safety measures, operators can ensure the safe and effective use of winch drives, minimizing the risk of accidents, injuries, or equipment damage. It is crucial to prioritize safety at all times and to comply with applicable safety regulations and guidelines.

What are the advantages of using a winch drive in comparison to other lifting mechanisms?
Using a winch drive as a lifting mechanism offers several advantages over other lifting mechanisms. The unique characteristics and capabilities of winch drives make them a preferred choice in various applications. Here’s a detailed explanation of the advantages of using a winch drive in comparison to other lifting mechanisms:
- Versatility:
Winch drives offer versatility in terms of their application and adaptability to different industries. They can be utilized in a wide range of scenarios, including off-road recovery, marine operations, construction sites, and recreational activities. Winch drives can handle various load sizes and weights, making them suitable for both light and heavy lifting tasks. The ability to use winch drives in diverse environments and industries makes them a flexible and versatile choice for lifting and pulling operations.
- Control and Precision:
Winch drives provide precise control over the lifting and pulling operation. The gearing system allows operators to adjust the speed and direction of the winch drive, enabling accurate positioning and controlled movement of the load. This level of control is particularly beneficial in applications where precise load placement or delicate handling is required. Winch drives allow for fine adjustments and smooth operation, resulting in improved precision and reduced risk of damage to the load or surrounding structures.
- Pulling Power:
Winch drives are designed to generate significant pulling power, allowing them to handle heavy loads effectively. The power source, whether it’s an electric motor or hydraulic system, provides the necessary energy to generate substantial pulling force. This makes winch drives suitable for tasks that involve moving or lifting heavy objects, such as in construction, industrial settings, or vehicle recovery. The pulling power of winch drives gives them an advantage over other lifting mechanisms that may have limited capacity or require additional equipment for handling heavier loads.
- Compactness and Portability:
Winch drives are generally compact and portable, which enhances their usability in various settings. They can be easily mounted on vehicles, equipment, or structures, offering mobility and convenience. Compact winch drives are particularly useful in off-road vehicles, where space may be limited. The portability of winch drives allows for flexibility in different applications and enables their use in remote or challenging locations where other lifting mechanisms may not be easily accessible.
- Safety:
Winch drives are designed with safety features to ensure secure and controlled lifting operations. These features may include overload protection, emergency stop mechanisms, and limit switches. The braking system in winch drives provides reliable load holding, preventing unintentional load release. Additionally, winch drives can be equipped with remote control systems, allowing operators to maintain a safe distance during operation. The safety features and control mechanisms of winch drives contribute to enhanced safety and minimize the risk of accidents or injuries.
These advantages make winch drives a preferred choice over other lifting mechanisms in many applications. The versatility, control, pulling power, compactness, portability, and safety features of winch drives provide distinct benefits that cater to the specific requirements of lifting and pulling operations in various industries and scenarios.


editor by CX 2024-03-24
China manufacturer Transmission Reduction Concrete Mixer Diesel Engine Box P Series Planetary Hydraulic Motor Gear Reducer Reverse Gearbox comer planetary gearbox
Product Description
Product Description
1.P series planetary gear reducer is widely used in metallurgy , mining, lifting and transport , electricity, energy , building
materials, light industry, transportation and other industrial sectors.
2. P series planetary gear involute planetary gear transmission , within a reasonable use, external gear , power split .
3. The planetary gear modular design changes can be combined according to customer requirements.
4.Carburized gears are used to obtain high- hard wear-resistant surface , all the heat treatment after grinding gear teeth ,
reduce noise , improve the overall efficiency and service life.
5. Hight quality gear reducer , small transmission ratio range , high efficiency, smooth operation, low noise adaptability and
other characteristics .
If you need to customize, please click here
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Speed ratio range |
basic type 25 ~ 4000 |
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torque range |
2.6 ~ 900knm |
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power range |
22 ~ 1920kw |
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Installation form: |
1. Horizontal installation / foot installation 2. Vertical installation / flange installation 3. Torsion arm installation. |
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Output mode |
1. Hollow output shaft with shrink disc 2. CZPT output shaft with flat key 3. Hollow shaft with involute spline 4. CZPT shaft with involute spline |
1 . Input: concentric shaft input , the helical gear input , bevel – helical gear input, bevel gear input.
2 . Output: the splined inner, hollow shaft shrink disc, splined outer, CZPT shaft flat key .
3.The planetary gear involute planetary gear transmission, within a reasonable use of external gear, power split. Therefore,light weight, small size, transmission ratio range, high efficiency, smooth operation, low noise, strong adaptability and other
characteristics.
4 . Box with ductile iron, greatly improving cabinet rigidity and shock resistance.
5 . Modular design , according to customer requirements to change the combination types .
6 . The installation forms : horizontal and vertical installation, torque arm mounting
7 . Combined with R series , K series to get greater ratio .
Detailed Photos
For more models or customization, please click here!
Click on the picture below for details
MOREPRODUCTS
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 1500/Piece
1 Piece(Min.Order) | |
|---|

A Brief Overview of the Spur Gear and the Helical Planetary Gearbox
This article will provide a brief overview of the Spur gear and the helical planetary gearbox. To learn more about the advantages of these gearboxes, read on. Here are a few common uses for planetary gears. A planetary gearbox is used in many vehicles. Its efficiency makes it a popular choice for small engines. Here are three examples. Each has its benefits and drawbacks. Let’s explore each one.
helical planetary gearbox
In terms of price, the CZPT is an entry-level, highly reliable helical planetary gearbox. It is suitable for applications where space, weight, and torque reduction are of high concern. On the other hand, the X-Treme series is suitable for applications requiring high-acceleration, high-axial and radial loads, and high-speed performance. This article will discuss the benefits of each type of planetary gearbox.
A planetary gearbox’s traction-based design is a variation of the stepped-planet design. This variation relies on the compression of the elements of the stepped-planet design. The resulting design avoids restrictive assembly conditions and timing marks. Compared to conventional gearboxes, compound planetary gears have a greater transmission ratio, and they do so with an equal or smaller volume. For example, a 2:1 ratio compound planet would be used with a 50-ton ring gear, and the result would be the same as a 100-ton ring gear, but the planetary disks would be half the diameter.
The Helical planetary gearbox uses three components: an input, an output, and a stationary position. The basic model is highly efficient and transmits 97% of the input power. There are three main types of planetary gearboxes, each focusing on a different performance characteristic. The CZPT basic line is an excellent place to start your research into planetary gearboxes. In addition to its efficiency and versatility, this gearbox has a host of modular features.
The Helical planetary gearbox has multiple advantages. It is versatile, lightweight, and easy to maintain. Its structure combines a sun gear and a planet gear. Its teeth are arranged in a way that they mesh with each other and the sun gear. It can also be used for stationary applications. The sun gear holds the carrier stationary and rotates at the rate of -24/16 and -3/2, depending on the number of teeth on each gear.
A helical planetary gearbox can reduce noise. Its shape is also smaller, reducing the size of the system. The helical gears are generally quieter and run more smoothly. The zero helix-angle gears, in contrast, have smaller sizes and higher torque density. This is a benefit, but the latter also increases the life of the system and is less expensive. So, while the helical planetary gearbox has many advantages, the latter is recommended when space is limited.
The helical gearbox is more efficient than the spur gear, which is limited by its lack of axial load component. The helical gears, on the other hand, generate significant axial forces in the gear mesh. They also exhibit more sliding at the points of tooth contact, adding friction forces. As such, the Helical planetary gearbox is the preferred choice in servo applications. If you’re looking for a gearbox to reduce noise and improve efficiency, Helical planetary gearboxes are the right choice.
The main differences between the two types of planetary gears can be found in the design of the two outer rings. The outer ring is also called the sun gear. The two gears mesh together according to their own axes. The outer ring is the planetary gear’s carrier. Its weight is proportional to the portion of the ring that is stationary. The carrier sets the gaps between the two gears.
Helical gears have angled teeth and are ideal for applications with high loads. They are also extremely durable and can transfer a high load. A typical Helical gearbox has two pairs of teeth, and this ensures smooth transmission. In addition, the increased contact ratio leads to lower fluctuations in mesh stiffness, which means more load capacity. In terms of price, Helical planetary gears are the most affordable gearbox type.
The outer ring gear drives the inner ring gear and surrounding planetary parts. A wheel drive planetary gearbox may have as much as 332,000 N.m. torque. Another common type of planetary gearbox is wheel drive. It is similar to a hub, but the outer ring gear drives the wheels and the sun gear. They are often combined over a housing to maximize size. One-stage Helical gears can be used in bicycles, while a two-stage planetary gear system can handle up to 113,000 N.m. torque.
The design of a helical planetary geartrain is complicated. It must comply with several constraints. These constraints relate to the geometrical relationship of the planetary geartrains. This study of the possible design space of a Helical geartrain uses geometric layouts. The ring gear, sun, and ring gear have no effect on the ratio of the planetary transmission. Nonetheless, helical geartrains are a good choice for many applications.
Spur gear planetary gearbox
The combination of planetary gears and spur gears in a transmission system is called a planetary or spur gearbox. Both the planetary gear and spur gear have their own characteristics and are used in various kinds of vehicles. They work in a similar way, but are built differently. Here are some important differences between the two types of gears. Listed below are some of the most important differences between them:
Helical gears: As opposed to spur gears, helical gears generate significant axial forces in the gear mesh. They also feature greater sliding contact at the point of tooth contact. The helix angle of a gearbox is generally in the range of 15 to 30 degrees. The higher the helix angle, the more axial forces will be transmitted. The axial force in a helical gearbox is greater than that of a spur gear, which is the reason why helical gears are more efficient.
As you can see, the planetary gearhead has many variations and applications. However, you should take care in selecting the number of teeth for your planetary gear system. A five:1 spur gear drive ratio, for example, means that the sun gear needs to complete five revolutions for every output carrier revolution. To achieve this, you’ll want to select a sun gear with 24 teeth, or five mm for each revolution. You’ll need to know the metric units of the planetary gearhead for it to be compatible with different types of machines.
Another important feature of a planetary gearbox is that it doesn’t require all of the spur gears to rotate around the axis of the drive shaft. Instead, the spur gears’ internal teeth are fixed and the drive shaft is in the same direction as the output shaft. If you choose a planetary gearbox with fixed internal teeth, you’ll need to make sure that it has enough lubrication.
The other significant difference between a spur gear and a planetary gearbox is the pitch. A planetary gearbox has a high pitch diameter, while a spur gear has low pitch. A spur gear is able to handle higher torques, but isn’t as efficient. In addition, its higher torque capability is a big drawback. Its efficiency is similar to that of a spur gear, but it is much less noisy.
Another difference between planetary and spur gear motors is their cost. Planetary gear motors tend to be more expensive than spur gear motors. But spur gears are cheaper to produce, as the gears themselves are smaller and simpler. However, planetary gear motors are more efficient and powerful. They can handle lower torque applications. But each gear carries a fixed load, limiting their torque. A spur gear motor also has fewer internal frictions, so it is often suited for lower torque applications.
Another difference between spur gears and planetary gears is their orientation. Single spur gears are not coaxial gearboxes, so they’re not coaxial. On the other hand, a planetary gearbox is coaxial, meaning its input shaft is also coaxial. In addition to this, a planetary gearbox is made of two sets of gear wheels with the same orientation. This gives it the ability to achieve concentricity.
Another difference between spur gears and planetary gears is that a planetary gear has an integer number of teeth. This is important because each gear must mesh with a sun gear or a ring gear. Moreover, each planet must have a corresponding number of teeth. For each planet to mesh with the sun, the teeth must have a certain distance apart from the other. The spacing between planets also matters.
Besides the size, the planetary gear system is also known as epicyclic gearing. A planetary gear system has a sun gear in the center, which serves as the input gear. This gear has at least three driven gears. These gears engage with each other from the inside and form an internal spur gear design. These gear sets are highly durable and able to change ratios. If desired, a planetary gear train can be converted to another ratio, thereby enhancing its efficiency.
Another important difference between a spur gear and a planetary gearbox is the type of teeth. A spur gear has teeth that are parallel to the shaft, while a planetary gear has teeth that are angled. This type of gear is most suitable for low-speed applications, where torque is necessary to move the actuation object. Spur gears also produce noise and can damage gear teeth due to repeated collisions. A spur gear can also slip, preventing torque from reaching the actuation object.


editor by CX 2023-04-28