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
| Customized Request |
|---|

How do gear reducers enhance the efficiency of conveyor systems and robotics?
Gear reducers play a significant role in improving the efficiency of both conveyor systems and robotics by optimizing speed, torque, and control. Here’s how they contribute:
Conveyor Systems:
In conveyor systems, gear reducers enhance efficiency in the following ways:
- Speed Control: Gear reducers allow precise control over the rotational speed of conveyor belts, ensuring that materials are transported at the desired speed for efficient production processes.
- Torque Adjustment: By adjusting gear ratios, gear reducers provide the necessary torque to handle varying loads and prevent overloading, minimizing energy wastage.
- Reverse Operation: Gear reducers enable smooth bidirectional movement of conveyor belts, facilitating tasks such as loading, unloading, and distribution without the need for additional components.
- Synchronization: Gear reducers ensure synchronized movement of multiple conveyor belts in complex systems, optimizing material flow and minimizing jams or bottlenecks.
Robotics:
In robotics, gear reducers enhance efficiency through the following means:
- Precision Movement: Gear reducers provide precise control over the movement of robot joints and arms, enabling accurate positioning and manipulation of objects.
- Reduced Inertia: Gear reducers help reduce the inertia experienced by robotic components, allowing for quicker and more responsive movements while conserving energy.
- Compact Design: Gear reducers offer a compact and lightweight solution for achieving various motion profiles in robotic systems, allowing for efficient use of space and resources.
- Torque Amplification: By amplifying torque from the motor, gear reducers enable robots to handle heavier loads and perform tasks that require greater force, enhancing their overall capabilities.
By providing precise speed control, torque adjustment, and reliable motion transmission, gear reducers optimize the performance of conveyor systems and robotics, leading to improved efficiency, reduced energy consumption, and enhanced operational capabilities.

What factors should be considered when selecting the right gear reducer?
Choosing the appropriate gear reducer involves considering several crucial factors to ensure optimal performance and efficiency for your specific application:
- 1. Torque and Power Requirements: Determine the amount of torque and power your machinery needs for its operation.
- 2. Speed Ratio: Calculate the required speed reduction or increase to match the input and output speeds.
- 3. Gear Type: Select the appropriate gear type (helical, bevel, worm, planetary, etc.) based on your application’s torque, precision, and efficiency requirements.
- 4. Mounting Options: Consider the available space and the mounting configuration that suits your machinery.
- 5. Environmental Conditions: Evaluate factors such as temperature, humidity, dust, and corrosive elements that may impact the gear reducer’s performance.
- 6. Efficiency: Assess the gear reducer’s efficiency to minimize power losses and improve overall system performance.
- 7. Backlash: Consider the acceptable level of backlash or play between gear teeth, which can affect precision.
- 8. Maintenance Requirements: Determine the maintenance intervals and procedures necessary for reliable operation.
- 9. Noise and Vibration: Evaluate noise and vibration levels to ensure they meet your machinery’s requirements.
- 10. Cost: Compare the initial cost and long-term value of different gear reducer options.
By carefully assessing these factors and consulting with gear reducer manufacturers, engineers and industry professionals can make informed decisions to select the right gear reducer for their specific application, optimizing performance, longevity, and cost-effectiveness.

How do gear reducers contribute to speed reduction and torque increase?
Gear reducers play a crucial role in mechanical systems by achieving speed reduction and torque increase through the principle of gear ratios. Here’s how they work:
Gear reducers consist of multiple gears with different sizes, known as gear pairs. These gears are meshed together, and their teeth interlock to transmit motion and power. The gear ratio is determined by the ratio of the number of teeth on the input gear (driver) to the number of teeth on the output gear (driven).
Speed Reduction: When a larger gear (output gear) is driven by a smaller gear (input gear), the output gear rotates at a slower speed than the input gear. This reduction in speed is proportional to the gear ratio. As a result, gear reducers are used to slow down the rotational speed of the output shaft compared to the input shaft.
Torque Increase: The interlocking teeth of gears create a mechanical advantage that allows gear reducers to increase torque output. When the input gear applies a force (torque) to the teeth, it is transmitted to the output gear with greater force due to the leverage provided by the larger diameter of the output gear. The torque increase is inversely proportional to the gear ratio and is essential for applications requiring high torque at lower speeds.
By selecting appropriate gear ratios and arranging gear pairs, gear reducers can achieve various speed reduction and torque multiplication factors, making them essential components in machinery and equipment where precise control of speed and torque is necessary.


editor by CX 2024-05-02