Product Description
Product Description
| Ratio | i | 4 | 5 | 6 | 7 | 8 | 
| Nominal output torque | Nm | 3493 | 2462 | 2065 | 1920 | 1574 | 
| Maximum output torque | Nm | 6986 | 4928 | 4130 | 3840 | 3148 | 
      
        HS series: High efficiency, Low nosie 
      *Size,speed ratio and performance are recommended and customized 
Core Feature
Structural feature
Reducer output planetary frame adopts integrated nut to eliminate axial clearance design, the front and back tapered roller bearing large span distribution and the whole box, forming a super integrated structure, to ensure the improvement of torsional rigidity and has a super strong radial bearing capacity and axial bearing capacity, using a processing process to complete, to ensure a very high coaxiality.
Gear ring of reducer adopts integral structure design.
Reducer gear ring, planetary frame, input shaft are made of 40Cr high-quality structural steel, hot forging process, so as to obtain higher material density, than the use of casting box, round steel, with higher strength, rigidity, toughness.
Gear characteristics
Real hard face spur gear, gear material is 20CrMnTi high quality alloy steel, after carburizing – grinding process processing, hardness up to HRC62, compared with ordinary steel 40Cr, 38CrMnTi surface nitriding treatment of gear has higher hardness, rigidity, toughness, wear resistance. The design and analysis technology of 3DSimulation is adopted to modify the tooth shape, tooth direction and follow the trimming, respectively, in order to reduce the noise of gear meshing and increase the service life of the gear train.
Application characteristics
Long span tapered roller bearing arrangement output integral planetary architecture, so that the product has strong radial bearing capacity and excellent axial bearing capacity, and has high rigidity. High precision applications, frequent start-stop and load changes are
Installation Instructions
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| Application: | Motor, Electric Cars, Machinery, Agricultural Machinery | 
|---|---|
| Hardness: | Hardened Tooth Surface | 
| Installation: | Vertical Type | 
| Layout: | Coaxial | 
| Gear Shape: | Cylindrical Gear | 
| Step: | Single-Step | 
| Customization: | 
 
                                            Available
                                         
| Customized Request  | 
|---|

Considerations for Selecting Planetary Gearboxes for Aerospace and Satellite Applications
Selecting planetary gearboxes for aerospace and satellite applications requires careful consideration due to the unique demands of these industries:
- Weight and Size: Aerospace and satellite systems demand lightweight and compact components. Planetary gearboxes with high power density and lightweight materials are preferred to minimize the overall weight and size of the equipment.
 - Reliability: Aerospace missions involve critical operations where component failure is not an option. Planetary gearboxes with a proven track record of reliability and durability are essential to ensure mission success.
 - High Efficiency: Efficiency is crucial in aerospace applications to optimize power usage and extend the operational life of satellites. Planetary gearboxes with high efficiency ratings contribute to energy conservation.
 - Extreme Environments: Aerospace and satellite systems are exposed to harsh conditions such as vacuum, extreme temperatures, and radiation. Planetary gearboxes need to be designed and tested to withstand these conditions without compromising performance.
 - Precision and Accuracy: Many aerospace operations require precise positioning and accurate control. Planetary gearboxes with minimal backlash and high precision gear meshing contribute to accurate movements.
 - Lubrication: Lubrication plays a vital role in aerospace gearboxes to ensure smooth operation and prevent wear. Gearboxes with efficient lubrication systems or self-lubricating materials are favored.
 - Redundancy and Fail-Safe: Some aerospace systems incorporate redundancy to ensure mission success even in case of component failure. Planetary gearboxes with built-in redundancy or fail-safe mechanisms enhance system reliability.
 - Integration: Planetary gearboxes need to be seamlessly integrated into the overall design of aerospace and satellite systems. Customization options and compatibility with other components are important factors.
 
Overall, selecting planetary gearboxes for aerospace and satellite applications involves a comprehensive evaluation of factors related to weight, reliability, efficiency, durability, environmental resistance, precision, and integration to meet the unique demands of these industries.

Contribution of Planetary Gearboxes to Construction Machinery and Heavy Equipment
Planetary gearboxes play a crucial role in enhancing the proper functioning of construction machinery and heavy equipment. Here’s how they contribute:
High Torque Transmission: Construction machinery often requires high torque to handle heavy loads and perform tasks like digging, lifting, and material handling. Planetary gearboxes excel in transmitting high torque efficiently, allowing these machines to operate effectively even under demanding conditions.
Compact Design: Many construction and heavy equipment applications have limited space for gear mechanisms. Planetary gearboxes offer a compact design with a high power-to-weight ratio. This compactness allows manufacturers to integrate gearboxes into tight spaces without compromising performance.
Customizable Ratios: Different construction tasks require varying speeds and torque levels. Planetary gearboxes offer the advantage of customizable gear ratios, allowing equipment designers to tailor the gearbox to the specific needs of the application. This flexibility enhances the versatility of construction machinery.
Durability and Reliability: Construction sites are challenging environments with dust, debris, and extreme weather conditions. Planetary gearboxes are known for their durability and robustness, making them well-suited for heavy-duty applications. Their enclosed design protects internal components from contaminants and ensures reliable operation.
Efficient Power Distribution: Many construction machines are equipped with multiple functions that require power distribution among different components. Planetary gearboxes can be designed with multiple output shafts, enabling efficient distribution of power to various tasks while maintaining precise control.
Reduced Maintenance: The rugged construction and efficient power transmission of planetary gearboxes result in reduced wear and lower maintenance requirements. This is particularly beneficial in construction settings where downtime for maintenance can be costly.
Overall, planetary gearboxes contribute significantly to the proper functioning of construction machinery and heavy equipment by providing high torque, compactness, customization, durability, efficient power distribution, and reduced maintenance needs. Their capabilities enhance the performance and reliability of these machines in the demanding construction industry.

Impact of Gear Ratio on Output Speed and Torque in Planetary Gearboxes
The gear ratio of a planetary gearbox has a significant effect on both the output speed and torque of the system. The gear ratio is defined as the ratio of the number of teeth on the driven gear (output) to the number of teeth on the driving gear (input).
1. Output Speed: The gear ratio determines the relationship between the input and output speeds of the gearbox. A higher gear ratio (more teeth on the output gear) results in a lower output speed compared to the input speed. Conversely, a lower gear ratio (fewer teeth on the output gear) leads to a higher output speed relative to the input speed.
2. Output Torque: The gear ratio also affects the output torque of the gearbox. An increase in gear ratio amplifies the torque delivered at the output, making it higher than the input torque. Conversely, a decrease in gear ratio reduces the output torque relative to the input torque.
The relationship between gear ratio, output speed, and output torque is inversely proportional. This means that as the gear ratio increases and output speed decreases, the output torque proportionally increases. Conversely, as the gear ratio decreases and output speed increases, the output torque proportionally decreases.
It’s important to note that the gear ratio selection in a planetary gearbox involves trade-offs between output speed and torque. Engineers choose a gear ratio that aligns with the specific application’s requirements, considering factors such as desired speed, torque, and efficiency.


editor by CX 2024-05-16
China 30mm Small High Torque Planetary Electric Gearbox for Stepper and Servo DC Motor planetary gearbox clutch
Merchandise Description
30mm Planetary Gearbox
Mechanical Dimensions:
Gearbox Description:
 
| Housing  materials  | 
Bearing  at output  | 
Radial load (10mm from the flange)  | 
Shaft  axial load  | 
Shaft press  fit force, max.  | 
Radial play  of shaft  | 
Thrust play of shaft  | 
Backlash  at no-load  | 
| Steel | Sleeve bearings | ≤3Kgf | ≤2.5Kgf | ≤10Kgf | ≤0.08mm | ≤0.2mm | ≤3° | 
| Metallic | Ball bearings | ≤3.5Kgf | ≤2.5Kgf | ≤10Kgf | ≤0.05mm | ≤0.2mm | ≤3° | 
Motor Shaft Pinion Specification:
 
| Module | No. of teeth | Pressure angle | Hole diameter | Reduction ratio. | 
| .5 | 11 | 20° | two.28,2.48,2.ninety eight | one/5,1/19,1/27,1/seventy one,1/one hundred,1/139,1/264,1/516,1/721 | 
| .5 | 17 | 20° | 2.28,2.48,2.98 | 1/4,1/14,1/51,1/189 | 
| .5 | eight | 20° | two.28 | one/35,1/939 | 
Gearbox Specification:
 
| Reduction ratio | one/4 | 1/5 | one/fourteen | one/19 | 1/27 | one/35 | 1/fifty one | one/seventy one | 1/one hundred | one/139 | one/189 | one/264 | 1/516 | 1/721 | 1/939 | 
| Rated tolerance  torque  | 
2 | 2 | 3 | 3 | four | 4 | 6 | 6 | eight | 8 | 10 | 10 | 10 | ten | ten | 
| Max momentary  tolerance torque  | 
6 | 6 | nine | 9 | twelve | twelve | 18 | 18 | 24 | 24 | 30 | 30 | 30 | thirty | 30 | 
| Effectiveness | eighty% | eighty% | 70% | 70% | 70% | 70% | sixty% | 60% | 60% | sixty% | 50% | fifty% | fifty% | fifty% | fifty% | 
| Duration (L-mm)  | 
23.six | 23.6 | 30 | thirty | thirty | 30 | 36.four | 36.4 | 36.4 | 36.4 | forty two.8 | 42.eight | forty two.8 | forty two.eight | forty two.8 | 
| Fat (g)  | 
seventy nine | seventy nine | ninety two | 92 | ninety two | ninety two | 107 | 107 | 107 | 107 | 122 | 122 | 122 | 122 | 122 | 
About Us:
We specialised in researching, building and servicing electric motors, gearbox and large precision gears with the small modules.
After years of advancement, we have an impartial product design and the R&D group, provider team, and specialist quality management team.
What’s much more, we have 2 joint ventures. A single is located in HangZhou, which produces hybrid stepper motor, valuable linear stepper motor, brushless DC motor, servo motor, stepper motor driver, brushless motor driver, encoder and brake.
An additional 1 is located in HangZhou, which creates DC gear motor. The manufacturing unit has dozens of CNC machines and large precision check gear, implements the process administration and automated procedure in most creating method.
We also have 2 cooperation factories. One particular is generating AC reversible synchronous motor and AC servo motor, the other 1 is generating linear permanent stepper motor, long term stepper motors.
Customer’s Going to:
Associated Goods:
| 
                                        US $5-20 / Piece |  | 
                                        500 Pieces (Min. Order)  | 
###
| Application: | Motor | 
|---|---|
| Layout: | Coaxial | 
| Hardness: | Hardened Tooth Surface | 
| Size: | 30mm | 
| Rated Tolerance Torque: | 2-10 | 
| Length: | 23.6mm-42.8mm | 
###
| Customization: | 
 
                                            Available
                                         
 | 
|---|
###
| Housing  material  | 
Bearing  at output  | 
Radial load (10mm from the flange)  | 
Shaft  axial load  | 
Shaft press  fit force, max.  | 
Radial play  of shaft  | 
Thrust play of shaft  | 
Backlash  at no-load  | 
| Metal | Sleeve bearings | ≤3Kgf | ≤2.5Kgf | ≤10Kgf | ≤0.08mm | ≤0.2mm | ≤3° | 
| Metal | Ball bearings | ≤3.5Kgf | ≤2.5Kgf | ≤10Kgf | ≤0.05mm | ≤0.2mm | ≤3° | 
###
| Module | No. of teeth | Pressure angle | Hole diameter | Reduction ratio. | 
| 0.5 | 11 | 20° | 2.28,2.48,2.98 | 1/5,1/19,1/27,1/71,1/100,1/139,1/264,1/516,1/721 | 
| 0.5 | 17 | 20° | 2.28,2.48,2.98 | 1/4,1/14,1/51,1/189 | 
| 0.5 | 8 | 20° | 2.28 | 1/35,1/939 | 
###
| Reduction ratio | 1/4 | 1/5 | 1/14 | 1/19 | 1/27 | 1/35 | 1/51 | 1/71 | 1/100 | 1/139 | 1/189 | 1/264 | 1/516 | 1/721 | 1/939 | 
| Rated tolerance  torque  | 
2 | 2 | 3 | 3 | 4 | 4 | 6 | 6 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 
| Max momentary  tolerance torque  | 
6 | 6 | 9 | 9 | 12 | 12 | 18 | 18 | 24 | 24 | 30 | 30 | 30 | 30 | 30 | 
| Efficiency | 80% | 80% | 70% | 70% | 70% | 70% | 60% | 60% | 60% | 60% | 50% | 50% | 50% | 50% | 50% | 
| Length (L-mm)  | 
23.6 | 23.6 | 30 | 30 | 30 | 30 | 36.4 | 36.4 | 36.4 | 36.4 | 42.8 | 42.8 | 42.8 | 42.8 | 42.8 | 
| Weight (g)  | 
79 | 79 | 92 | 92 | 92 | 92 | 107 | 107 | 107 | 107 | 122 | 122 | 122 | 122 | 122 | 
| 
                                        US $5-20 / Piece |  | 
                                        500 Pieces (Min. Order)  | 
###
| Application: | Motor | 
|---|---|
| Layout: | Coaxial | 
| Hardness: | Hardened Tooth Surface | 
| Size: | 30mm | 
| Rated Tolerance Torque: | 2-10 | 
| Length: | 23.6mm-42.8mm | 
###
| Customization: | 
 
                                            Available
                                         
 | 
|---|
###
| Housing  material  | 
Bearing  at output  | 
Radial load (10mm from the flange)  | 
Shaft  axial load  | 
Shaft press  fit force, max.  | 
Radial play  of shaft  | 
Thrust play of shaft  | 
Backlash  at no-load  | 
| Metal | Sleeve bearings | ≤3Kgf | ≤2.5Kgf | ≤10Kgf | ≤0.08mm | ≤0.2mm | ≤3° | 
| Metal | Ball bearings | ≤3.5Kgf | ≤2.5Kgf | ≤10Kgf | ≤0.05mm | ≤0.2mm | ≤3° | 
###
| Module | No. of teeth | Pressure angle | Hole diameter | Reduction ratio. | 
| 0.5 | 11 | 20° | 2.28,2.48,2.98 | 1/5,1/19,1/27,1/71,1/100,1/139,1/264,1/516,1/721 | 
| 0.5 | 17 | 20° | 2.28,2.48,2.98 | 1/4,1/14,1/51,1/189 | 
| 0.5 | 8 | 20° | 2.28 | 1/35,1/939 | 
###
| Reduction ratio | 1/4 | 1/5 | 1/14 | 1/19 | 1/27 | 1/35 | 1/51 | 1/71 | 1/100 | 1/139 | 1/189 | 1/264 | 1/516 | 1/721 | 1/939 | 
| Rated tolerance  torque  | 
2 | 2 | 3 | 3 | 4 | 4 | 6 | 6 | 8 | 8 | 10 | 10 | 10 | 10 | 10 | 
| Max momentary  tolerance torque  | 
6 | 6 | 9 | 9 | 12 | 12 | 18 | 18 | 24 | 24 | 30 | 30 | 30 | 30 | 30 | 
| Efficiency | 80% | 80% | 70% | 70% | 70% | 70% | 60% | 60% | 60% | 60% | 50% | 50% | 50% | 50% | 50% | 
| Length (L-mm)  | 
23.6 | 23.6 | 30 | 30 | 30 | 30 | 36.4 | 36.4 | 36.4 | 36.4 | 42.8 | 42.8 | 42.8 | 42.8 | 42.8 | 
| Weight (g)  | 
79 | 79 | 92 | 92 | 92 | 92 | 107 | 107 | 107 | 107 | 122 | 122 | 122 | 122 | 122 | 
Benefits of a Planetary Gearbox With Output Shaft
The output shaft of a Planetary Gearbox connects to the driven wheels, while the input shaft comes from the engine. These gears are interlinked and create a wide range of gear reductions, which are necessary to get a vehicle rolling comfortably. Gear reductions are the place where the various “gears” are located. Here are some examples. They can help you determine what you need for your vehicle. You might also want to learn about planetary gears.
Planetary gearboxes
Modern cars are most likely equipped with planetary gearboxes. If you’re unsure if your vehicle uses planetary gears, you should first consult your car’s owner’s manual. If not, contact your dealership’s service department for more information. Otherwise, you can do a quick search on the internet to find out whether your car has a planetary gearbox. These gearboxes are generally more complex than ordinary gears. Additionally, they are equipped with more parts and require lubrication.
In addition to their low noise levels, planetary gearboxes are also remarkably efficient at transmission. These features make them ideal for applications requiring high torque and small footprints. Unfortunately, there are many different types of planetary gearboxes on the market, making it difficult to find the right one. The following article will give you some guidelines to help you choose the right planetary gearbox for your needs. Let’s take a look!
Planetary gears
A planetary gearbox has two main components: the sun gear (also known as the central or input) and the planet gears (also known as outer or peripheral). These gears are connected together by a carrier to the output shaft of the machine. In some applications, it is necessary to use a planetary gearbox with lubrication to prevent wear and tear. A planetary gearbox also has a small ring gear that helps hold the planet gears together.
The main advantage of a planetary gearbox is that it uses several teeth that engage at once, allowing for high-speed reduction with a small number of gears. Because the gears are relatively small, they have lower inertia than their larger counterparts. Planetary gearboxes are compact, which makes them popular for space-constrained applications. Because of their compact size and efficiency, planetary gearboxes are also commonly used in motor vehicles.
Planetary gearboxes with output shaft
For high-speed, dynamic applications, planetary gearbox units with output shaft provide the optimal solution. Thanks to their low inertia, these gearheads deliver superior performance in many industrial applications. Additionally, their wide range of variants allows users to select the perfect product for their application. This article examines some of the key benefits of planetary gearboxes with output shaft. Read on to learn more.
The planetary gearbox has two major components: a sun gear and planet gears. The sun gear is usually the input gear, while the planet gears are located at the outer edges of the system casing. Planet gears are held together by a carrier that is connected to the output shaft. Before choosing a particular gearbox for your application, make sure that you check the specific requirements and the environment to which the unit will be subjected.
A planetary gearbox has less stages of gears, and thus lower backlash compared to spur gearboxes. Backlash is lost motion that occurs when the teeth of the gears are out of perfect alignment. This problem is common in all gears, but is significantly less in planetary gearboxes. As such, planetary gearboxes are more efficient. They can also be customized according to the specific engine model and motor flange.
Planetary gearboxes with carrier
A planetary gearbox is a type of gearbox with three or more stages. They have a sun gear, which is usually the input gear, and planet gears, also called the outer gears. The carrier that connects the planet gears to the output shaft is called a ring gear. A planetary gearbox is generally designed to meet specific application and environmental requirements, but there are some factors to consider when choosing one.
The compact footprint of planetary gear sets results in high heat dissipation. This can be a problem in applications with sustained performance or high speeds. As a result, planetary gear sets often include lubricants, which present a cooling effect while also reducing noise and vibration. Some planetary gears even feature a carrier to make the installation process easier. Here are some things to keep in mind when choosing a planetary gear set.
Planetary gearboxes with carrier have several advantages over other types of gearboxes. Unlike conventional gearboxes, planetary gears have a common central shaft, and the tangential forces between the gears cancel out at the center of the ring gear. Because of this, planetary gearboxes are commonly used in input/output applications, and their compact size allows for a wide range of gear reductions. These gears can also produce higher torque density.
Planetary gearboxes with traction
Planetary gears are similar to the planetary system, in that each pinion rotates around a sun gear. The output of the planetary gear unit is lower than the drive rotation speed, but the torque is higher. As the number of planet gear wheels increases, so does the torque. Planetary gear systems contain three to four planet gears, and each is in constant mesh with the others. Power applied to any one member rotates the entire assembly.
Typical applications for planetary gear sets include high-precision motion control. In these applications, high torque, torsional stiffness, and low backlash are required. Planetary gear sets are also ideal for motors with higher speeds. A number of factors contribute to the reliability of these devices. The low backlash and large torque capacity of a planetary gear motor allow them to be used in a wide range of applications.
Planetary gearboxes with electric motors
If you’re in the market for a new gearbox, you may have already heard about planetary gearboxes. The planetary gearbox is a high-efficiency, low-noise gearbox. CZPT manufactures high-torque planetary gearboxes with low backlash. They also make economy planetary gearboxes for lower loads. However, with so many different types available, choosing the right one for your needs can be challenging.
These planetary gearboxes are a compact alternative to conventional pinion-and-gear reducers. They offer high-speed reduction and high torque transfer, and are often used for space-constrained applications. But before you can understand how they work, you’ll need to understand a little about their construction. There are a few things to look for that you may not have noticed before.
The most common type of planetary gearbox is a PM81/LN. It features a set of DC brush motors with diameter 77mm, a stator, and two or more outer gears. Each of these gears is connected to an output shaft through a carrier. They can also be used with brakes, encoders, or a clutch. A planetary gearbox is one of the most reliable gearbox types on the market.
Planetary gearboxes with hydraulic motors
A planetary gearbox is a combination of two gears, the sun and the planets. The sun gear rotates at high speed, while the planets roll around and orbit around the ring gear. The output shaft has the same direction of rotation as the input shaft. The benefits of a planetary gearbox include high reduction ratios, efficiency, space-saving compactness, and higher overload capacity. These gears are also more stable and compact, and they do not suffer from self-locking properties.
Planetary gearboxes are a highly efficient way to power hydraulic lifts. They can be input via electric, hydraulic, or air motors. The drive arrangement can be mounted on a bare shaft, splined shaft, or a parallel keyed input shaft. Depending on the application, bespoke gearboxes can be manufactured with a variety of features and functions.
Planetary gearboxes with combustion engines
There are many different applications of planetary gear sets. The most common is the distribution of power between two wheels in a car’s drive axle. Four-wheel drives use two axle differentials, which are further augmented by a centre differential. Hybrid electric vehicles use summation gearboxes to distribute power from the combustion engine to the wheels and to an electric motor. Planetary gear sets also combine the two different types of motors to form one hybrid vehicle.
To understand how planetary gear sets work, it is important to understand the underlying mechanical principles. For example, Fig. 4.6 shows a stick diagram illustrating two planetary gear sets connected by a lever. The two levers are the same length, so the system is analogous to a single lever. When calculating the torque, it is essential to consider the lever diagram. Similarly, if two gear sets are connected by vertical links, the horizontal links must be horizontal.


editor by czh 2023-01-13