China Hot selling Desboer Nhk090 Series Double Segment Economical Type Low Noise Planetary Gearbox gearbox engine

Product Description


The NHK090 series is an economic version with a round body design and an integrated sun gear motor shaft design and high-strength deep groove ball bearings.Mainly used in injection moulding robots, food packaging machines, filling machine lines, labelling machines, appliance production lines, non-metal processing equipment and many other industries.
Product Name: High Precision Planetary Gedarbox
Product Series:NHK090 Series
Features:High precision,low noise,light weight
Product Description:
Integrated design concept with high-strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years

Our Advantages

High precision
Low noise

Detailed Photos

Product Parameters


Frame  modle Ratio Nominal Maximum Emergency Nominal Maximum Permitted Permitted axial load Maximum Maximum Weight Moment Moment Moment Moment
output torque output torque stop torque input speed input speed radial load radial load axial load of inertia(≤Φ8) of inertia(≤Φ14) of inertia(≤Φ19) of inertia(≤Φ28)
 090 [Nm] [Nm] [Nm] [rpm] [rpm] [N] [N] [N] [N] [KG] [kgcm²] [kgcm²] [kgcm²] [kgcm²]
double 15 50 80 200 3000 6000 1400 1900 2400 2200 4.2 0.13 0.28 0.72 -
16 75 125 250 3000 6000 1400 1900 2400 2200 0.15 0.3 0.74 -
20 75 125 250 3000 6000 1500 2100 2400 2200 0.13 0.28 0.72 -
25 75 125 250 3000 6000 1600 2200 2400 2200 0.12 0.28 0.71 -
28 75 125 250 3000 6000 1700 2200 2400 2200 0.14 0.29 0.73 -
30 50 80 200 3000 6000 1700 2200 2400 2200 0.1 0.25 0.7 -
35 75 125 250 3000 6000 1800 2200 2400 2200 0.12 0.27 0.71 -
40 75 125 250 3000 6000 1900 2200 2400 2200 0.099 0.25 0.7 -
45 50 80 200 3000 6000 2000 2200 2400 2200 0.12 0.27 0.71 -
50 75 125 250 3000 6000 2100 2200 2400 2200 0.098 0.25 0.69 -
60 75 125 250 3000 6000 2200 2200 2400 2200 0.098 0.25 0.69 -
70 75 125 250 3000 6000 2300 2200 2400 2200 0.097 0.25 0.69 -
80 75 125 250 3000 6000 2400 2200 2400 2200 0.097 0.25 0.69 -
90 50 80 200 3000 6000 2400 2200 2400 2200 0.097 0.25 0.69 -
100 50 80 200 3000 6000 2400 2200 2400 2200 0.097 0.25 0.69 -

Application: Motor, Machinery, Marine, Agricultural Machinery
Function: Distribution Power, Change Drive Torque, Change Drive Direction, Speed Reduction
Layout: Plantery Gearbox
Hardness: Hardened Tooth Surface
Installation: All Directions
Step: Double-Step


Customized Request

planetary gearbox

Concept of Coaxial and Parallel Shaft Arrangements in Planetary Gearboxes

In planetary gearboxes, the arrangement of shafts plays a crucial role in determining the gearbox's overall structure and functionality. The two common shaft arrangements are coaxial and parallel configurations:

Coaxial Shaft Arrangement: In a coaxial arrangement, the input shaft and output shaft are positioned along the same axis, resulting in a compact and streamlined design. The planetary gears and other components are aligned concentrically around the central axis, allowing for efficient power transmission and reduced space requirements. Coaxial planetary gearboxes are commonly used in applications where space is limited, and a compact form factor is essential. They are often employed in robotics, automotive systems, and aerospace mechanisms.

Parallel Shaft Arrangement: In a parallel arrangement, the input and output shafts are positioned parallel to each other but on different axes. The planetary gears are aligned in a way that allows the power to be transmitted from the input shaft to the output shaft via a combination of meshing gears. This arrangement allows for a larger gear diameter and higher torque transmission capabilities. Parallel planetary gearboxes are often used in applications requiring high torque and heavy-duty performance, such as industrial machinery, construction equipment, and material handling systems.

The choice between coaxial and parallel shaft arrangements depends on the specific requirements of the application. Coaxial configurations are favored for compactness and efficient power transmission, while parallel configurations excel in handling higher torque and heavy loads. Both arrangements offer distinct advantages and are chosen based on factors like available space, torque demands, load characteristics, and overall system design.

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

Advantages of Planetary Gearboxes Compared to Other Gearbox Configurations

Planetary gearboxes, also known as epicyclic gearboxes, offer several advantages compared to other gearbox configurations. These advantages make them well-suited for a wide range of applications. Here's a closer look at why planetary gearboxes are favored:

  • Compact Size: Planetary gearboxes are known for their compact and space-efficient design. The arrangement of multiple gears within a single housing allows for high gear reduction ratios without significantly increasing the size of the gearbox.
  • High Torque Density: Due to their compact design, planetary gearboxes offer high torque density, meaning they can transmit a significant amount of torque relative to their size. This makes them ideal for applications where space is limited, but high torque is required.
  • Efficiency: Planetary gearboxes can achieve high efficiency levels, especially when properly lubricated and well-designed. The arrangement of multiple meshing gears allows for load distribution, reducing individual gear tooth stresses and minimizing losses due to friction.
  • Multiple Gear Stages: Planetary gearboxes can be designed with multiple stages, allowing for higher gear reduction ratios. This is particularly advantageous when precise control of output speed and torque is required.
  • High Gear Ratios: Planetary gearboxes can achieve high gear reduction ratios in a single stage, eliminating the need for multiple external gears. This simplifies the overall design and reduces the number of components.
  • Load Sharing: The multiple gear meshing arrangements in planetary gearboxes distribute loads evenly across multiple gears, reducing the stress on individual components and enhancing overall durability.
  • High Precision: Planetary gearboxes offer high precision and accuracy in gear meshing, making them suitable for applications that demand precise motion control.
  • Quiet Operation: The design of planetary gearboxes often leads to smoother and quieter operation compared to some other gearbox configurations, contributing to improved user experience.

Overall, the advantages of planetary gearboxes in terms of size, torque density, efficiency, versatility, and precision make them an attractive choice for a wide range of applications across industries, including robotics, automotive, aerospace, and industrial machinery.

China Hot selling Desboer Nhk090 Series Double Segment Economical Type Low Noise Planetary Gearbox   gearbox engineChina Hot selling Desboer Nhk090 Series Double Segment Economical Type Low Noise Planetary Gearbox   gearbox engine
editor by CX 2023-11-02

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