China Good quality Customized DMS Series High Torque Planetary Gear Reducer with Output Shaft Can Replace CZPT automatic gearbox

Product Description

Company Introduction

DMS series of internal curve radial piston motor, DYH series of planetary gearbox, GFT series travel reducer, GFB series of planetary reducer, DYNJ series hydraulic winch and other non-standard customized products.
The products can be widely used in mining and construction machinery, lifting and transportation equipment, heavy metallurgical machinery, petroleum and coal mining machinery agricultural and forestry machinery, etc.


Product Specification

TYPE Displacement (ml/r) Pressure (Mpa) Torque Speed range Max cont Power
Single speed Double speed Peak pressure Cont pressure Rate torque (N.m) Theoric torque   (N.m/MPa) (r/min) (Kw)
DMS02-170 172 86 40 25 684 27.4 0-200 22
DMS03-160 160 80 40 25 605 24 0-250 16
DMS05-380 376 188 40 25 1421 56 0-200 25
DMS08-630 627 314 40 25 2371 94 0-170 36
DMS11-840 837 419 40 25 3165 128 0-150 44
DMS18-1400 1395 698 40 25 5275 211 0-150 62
DMS25-2000 2004 1002 35 25 7578 303 0-130 80
DMS35-2500 2439 1220 35 25 9223 368 0-100 97
DMS50-3500 3500 1750 35 25 13226 529 0-90 110
DMS83-6700 6679 3340 35 25 25258 1571 0-65 123
DMS125-10000 10000 5000 30 25 37818 1512 0-50 150

Product Iamges


Cooperation Partner

Factory Showing

Inspection Center


Shipping Cost:

Estimated freight per unit.

To be negotiated
Application: Motor, Machinery, Marine, Agricultural Machinery
Hardness: Soft Tooth Surface
Installation: Vertical Type
US$ 800/Piece
1 Piece(Min.Order)


Order Sample



Customized Request

gear gearbox

Are there any disadvantages or limitations to using gear reducer systems?

While gear reducer systems offer numerous advantages, they also come with certain disadvantages and limitations that should be considered during the selection and implementation process:

1. Size and Weight: Gear reducers can be bulky and heavy, especially for applications requiring high gear ratios. This can impact the overall size and weight of the machinery or equipment, which may be a concern in space-constrained environments.

2. Efficiency Loss: Despite their high efficiency, gear reducers can experience energy losses due to friction between gear teeth and other components. This can lead to a reduction in overall system efficiency, particularly in cases where multiple gear stages are used.

3. Cost: The design, manufacturing, and assembly of gear reducers can involve complex processes and precision machining, which can contribute to higher initial costs compared to other power transmission solutions.

4. Maintenance: Gear reducer systems require regular maintenance, including lubrication, inspection, and potential gear replacement over time. Maintenance activities can lead to downtime and associated costs in industrial settings.

5. Noise and Vibration: Gear reducers can generate noise and vibrations, especially at high speeds or when operating under heavy loads. Additional measures may be needed to mitigate noise and vibration issues.

6. Limited Gear Ratios: While gear reducers offer a wide range of gear ratios, there may be limitations in achieving extremely high or low ratios in certain designs.

7. Temperature Sensitivity: Extreme temperatures can affect the performance of gear reducer systems, particularly if inadequate lubrication or cooling is provided.

8. Shock Loads: While gear reducers are designed to handle shock loads to some extent, severe shock loads or abrupt changes in torque can still lead to potential damage or premature wear.

Despite these limitations, gear reducer systems remain widely used and versatile components in various industries, and their disadvantages can often be mitigated through proper design, selection, and maintenance practices.

gear gearbox

Can gear reducers be used for both speed reduction and speed increase?

Yes, gear reducers can be utilized for both speed reduction and speed increase, depending on their design and arrangement. The functionality to either decrease or increase rotational speed is achieved by altering the arrangement of gears within the gearbox.

1. Speed Reduction: In speed reduction applications, a gear reducer is designed with gears of different sizes. The input shaft connects to a larger gear, while the output shaft is connected to a smaller gear. As the input shaft rotates, the larger gear turns the smaller gear, resulting in a decrease in output speed compared to the input speed. This configuration provides higher torque output at a lower speed, making it suitable for applications that require increased force or torque.

2. Speed Increase: For speed increase, the gear arrangement is reversed. The input shaft connects to a smaller gear, while the output shaft is connected to a larger gear. As the input shaft rotates, the smaller gear drives the larger gear, resulting in an increase in output speed compared to the input speed. However, the torque output is lower than that of speed reduction configurations.

By choosing the appropriate gear ratios and arrangement, gear reducers can be customized to meet specific speed and torque requirements for various industrial applications. It’s important to select the right type of gear reducer and configure it correctly to achieve the desired speed reduction or speed increase.

gear gearbox

How do gear reducers handle variations in input and output speeds?

Gear reducers are designed to handle variations in input and output speeds through the use of different gear ratios and configurations. They achieve this by utilizing intermeshing gears of varying sizes to transmit torque and control rotational speed.

The basic principle involves connecting two or more gears with different numbers of teeth. When a larger gear (driving gear) engages with a smaller gear (driven gear), the rotational speed of the driven gear decreases while the torque increases. This reduction in speed and increase in torque enable gear reducers to efficiently adapt to variations in input and output speeds.

The gear ratio is a critical factor in determining how much the speed and torque change. It is calculated by dividing the number of teeth on the driven gear by the number of teeth on the driving gear. A higher gear ratio results in a greater reduction in speed and a proportionate increase in torque.

Planetary gear reducers, a common type, use a combination of gears including sun gears, planet gears, and ring gears to achieve different speed reductions and torque enhancements. This design provides versatility in handling variations in speed and torque requirements.

In summary, gear reducers handle variations in input and output speeds by using specific gear ratios and gear arrangements that enable them to efficiently transmit power and control motion characteristics according to the application’s needs.

China Good quality Customized DMS Series High Torque Planetary Gear Reducer with Output Shaft Can Replace CZPT   automatic gearbox	China Good quality Customized DMS Series High Torque Planetary Gear Reducer with Output Shaft Can Replace CZPT   automatic gearbox
editor by CX 2023-09-21