Tag Archives: stepper gear motor

China supplier High Torque NEMA42 Stepper Motor Ratio 3: 1 Planetary Reducer Gear Box sequential gearbox

Product Description

High Torque NEMA42 Stepper Motor Ratio 3:1 Planetary Reducer Gear Box

Nickel chromium molybdenum allpy steel gear is manufacturered with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear prcision and low noise operation.

Product Description

Products fearures:
1.One-piece construction, High Prescision and large output torque
2.Double bracing cage planetary shelf structure , high relible. Can suit reversible rotabtion frequently
3.Helical gear transmission, more reliable. Higher torque
4.Low return backlash,high precision
5.Special Rotation frame structure, can carry bigger Radial&Axial load

Product Parameters

Specifications PX42 PX60 PX90 PX120 PX140 PX180
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 780 1530 3250 6700 9400 14500
Max. Axial Load N 390 630 1300 3000 4700 7250
Torsional Rigidity Nm/arcmin 2.5 6 12 23 47 130
Max.Input Speed rpm 8000 8000 8000 8000 6000 6000
Rated Input Speed rpm 4000 4000 3000 3000 3000 3000
Noise dB ≤56 ≤58 ≤60 ≤65 ≤68 ≤68
Average Life Time h 20000
Efficiency Of Full Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin / ≤3 ≤3 ≤3 ≤3 ≤3
L2 arcmin / ≤5 ≤5 ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5 ≤5 ≤5 ≤5
L2 arcmin ≤7 ≤7 ≤7 ≤7 ≤7 ≤7
Moment Of Inertia Table L1 3 Kg*cm2 / 0.16 0.61 3.25 9.21 28.98
4 Kg*cm2 0.03 0.14 0.48 2.74 7.54 23.67
5 Kg*cm2 0.03 0.13 0.47 2.71 7.42 23.29
7 Kg*cm2 0.03 0.13 0.45 2.62 7.14 22.48
8 Kg*cm2 0.03 0.13 0.45 2.6 / /
10 Kg*cm2 0.03 0.13 0.4 2.57 7.03 22.51
L2 12 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
15 Kg*cm2 / 0.13 0.45 0.45 2.63 7.3
20 Kg*cm2 0.03 0.13 0.45 0.45 2.63 7.3
25 Kg*cm2 0.03 0.13 0.45 0.4 2.63 7.3
28 Kg*cm2 0.03 0.13 0.45 0.45 2.43 7.1
30 Kg*cm2 / 0.13 0.45 0.45 2.43 6.92
35 Kg*cm2 0.03 0.13 0.4 0.4 2.43 7.1
40 Kg*cm2 0.03 0.13 0.45 0.45 2.43 6.92
50 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.92
70 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
100 Kg*cm2 0.03 0.13 0.4 0.4 2.39 6.72
Technical Parameter Level Ratio   PX42 PX60 PX90 PX120 PX140 PX180
Rated Torque L1 3 Nm / 40 105 165 360 880
4 Nm 17 45 130 230 480 880
5 Nm 15 45 130 230 480 1100
7 Nm 12 45 100 220 480 1100
8 Nm / 40 90 200 / /
10 Nm 10 30 75 175 360 770
L2 12 Nm / 40 105 165 440 880
15 Nm / 40 105 165 360 880
20 Nm 17 45 130 230 480 880
25 Nm 15 45 130 230 480 880
28 Nm 17 45 130 230 480 1100
30 Nm / 40 105 165 480 1100
35 Nm 10 30 130 230 480 1100
40 Nm 17 45 130 230 480 1100
50 Nm 15 45 130 230 480 1100
70 Nm 12 45 100 220 480 1100
100 Nm 10 30 75 175 360 770
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 0.5 1.25 3.75 8.5 16 28.5
L2 kg 0.8 1.75 5.1 12 21.5 40

Company Profile

Packaging & Shipping

1. Lead time: 10-15 days as usual, 30 days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ TNT/ EMS/ FEDEX

FAQ

1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc

4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts

5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Application: Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Machinery Parts
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Single-Step
Samples:
US$ 250/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

planetary gearbox

Concept of Coaxial and Parallel Shaft Arrangements in Planetary Gearboxes

Coaxial and parallel shaft arrangements refer to the orientation of the input and output shafts in a planetary gearbox:

  • Coaxial Shaft Arrangement: In this arrangement, the input and output shafts are aligned along the same axis, with one shaft passing through the center of the other. This design results in a compact and space-efficient gearbox, making it suitable for applications with limited space. Coaxial planetary gearboxes are commonly used in scenarios where the gearbox needs to be integrated into a compact housing or enclosure.
  • Parallel Shaft Arrangement: In a parallel shaft arrangement, the input and output shafts are positioned parallel to each other but not on the same axis. Instead, they are offset from each other. This configuration allows for greater flexibility in designing the layout of the gearbox and the surrounding machinery. Parallel shaft planetary gearboxes are often used in applications where the spatial arrangement requires the input and output shafts to be positioned in different locations.

The choice between a coaxial and parallel shaft arrangement depends on factors such as available space, mechanical requirements, and the desired layout of the overall system. Coaxial arrangements are advantageous when space is limited, while parallel arrangements offer more design flexibility for accommodating various spatial constraints.

planetary gearbox

Maintenance Practices to Extend the Lifespan of Planetary Gearboxes

Proper maintenance is essential for ensuring the longevity and optimal performance of planetary gearboxes. Here are specific maintenance practices that can help extend the lifespan of planetary gearboxes:

1. Regular Inspections: Implement a schedule for routine visual inspections of the gearbox. Look for signs of wear, damage, oil leaks, and any abnormal conditions. Early detection of issues can prevent more significant problems.

2. Lubrication: Adequate lubrication is crucial for reducing friction and wear between gearbox components. Follow the manufacturer’s recommendations for lubricant type, viscosity, and change intervals. Ensure that the gearbox is properly lubricated to prevent premature wear.

3. Proper Installation: Ensure the gearbox is installed correctly, following the manufacturer’s guidelines and specifications. Proper alignment, torque settings, and clearances are critical to prevent misalignment-related wear and other issues.

4. Load Monitoring: Avoid overloading the gearbox beyond its designed capacity. Excessive loads can accelerate wear and reduce the gearbox’s lifespan. Regularly monitor the load conditions and ensure they are within the gearbox’s rated capacity.

5. Temperature Control: Maintain the operating temperature within the recommended range. Excessive heat can lead to accelerated wear and lubricant breakdown. Adequate ventilation and cooling measures may be necessary in high-temperature environments.

6. Seal and Gasket Inspection: Regularly check seals and gaskets for signs of leakage. Damaged seals can lead to lubricant loss and contamination, which can cause premature wear and gear damage.

7. Vibration Analysis: Use vibration analysis techniques to detect early signs of misalignment, imbalance, or other mechanical issues. Monitoring vibration levels can help identify problems before they lead to serious damage.

8. Preventive Maintenance: Establish a preventive maintenance program based on the gearbox’s operational conditions and usage. Perform scheduled maintenance tasks such as gear inspections, lubricant changes, and component replacements as needed.

9. Training and Documentation: Ensure that maintenance personnel are trained in proper gearbox maintenance procedures. Keep comprehensive records of maintenance activities, inspections, and repairs to track the gearbox’s condition and history.

10. Consult Manufacturer Guidelines: Always refer to the manufacturer’s maintenance and servicing guidelines specific to the gearbox model and application. Following these guidelines will help maintain warranty coverage and ensure best practices are followed.

By adhering to these maintenance practices, you can significantly extend the lifespan of your planetary gearbox, minimize downtime, and ensure reliable performance for your industrial machinery or application.

planetary gearbox

Role of Sun, Planet, and Ring Gears in Planetary Gearboxes

The arrangement of sun, planet, and ring gears is a fundamental aspect of planetary gearboxes and significantly contributes to their performance. Each gear type plays a specific role in the gearbox’s operation:

  • Sun Gear: The sun gear is located at the center and is driven by the input power source. It transmits torque to the planet gears, causing them to orbit around it. The sun gear’s size and rotation speed affect the overall gear ratio of the system.
  • Planet Gears: Planet gears are smaller gears that surround the sun gear. They are held in place by the planet carrier and mesh with both the sun gear and the internal teeth of the ring gear. As the sun gear rotates, the planet gears revolve around it, engaging with both the sun and ring gears simultaneously. This arrangement multiplies torque and changes the direction of rotation.
  • Ring Gear (Annulus Gear): The ring gear is the outermost gear with internal teeth that mesh with the planet gears’ external teeth. It remains stationary or acts as the output shaft. The interaction between the planet gears and the ring gear causes the planet gears to rotate on their own axes as they orbit the sun gear.

The arrangement of these gears allows for various gear reduction ratios and torque multiplication effects, making planetary gearboxes versatile and efficient for a wide range of applications. The combination of multiple gear engagements and interactions distributes the load across multiple gear teeth, resulting in higher torque capacity, smoother operation, and lower stress on individual gear teeth.

Planetary gearboxes offer advantages such as compact size, high torque density, and the ability to achieve multiple gear reduction stages within a single unit. The arrangement of the sun, planet, and ring gears is essential for achieving these benefits while maintaining efficiency and reliability in various mechanical systems.

China supplier High Torque NEMA42 Stepper Motor Ratio 3: 1 Planetary Reducer Gear Box   sequential gearbox	China supplier High Torque NEMA42 Stepper Motor Ratio 3: 1 Planetary Reducer Gear Box   sequential gearbox
editor by CX 2024-04-23

China Custom Reducer Drive DC Stepper Servo Motor 60mm 90mm 120mm Flange Mounting Gear Case Transmission Precision Planetary Gearbox cycloidal gearbox

Product Description

 

 

Product Description

Precision planetary gear reducer is another name for planetary gear reducer in the industry. Its main transmission structure is planetary gear, sun gear and inner gear ring.

Compared with other gear reducers, precision planetary gear reducers have the characteristics of high rigidity, high precision (single stage can achieve less than 1 point), high transmission efficiency (single stage can achieve 97% – 98%), high torque/volume ratio, lifelong maintenance-free, etc. Most of them are installed on stepper motor and servo motor to reduce speed, improve torque and match inertia.

Company Profile

 

 

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Planetary
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

planetary gearbox

Role of Planetary Gearboxes in Powertrain Systems of Electric and Hybrid Vehicles

Planetary gearboxes play a critical role in the powertrain systems of both electric and hybrid vehicles, contributing to their efficiency and performance:

Electric Motor Integration: In electric vehicles (EVs) and hybrid vehicles, planetary gearboxes are commonly used to connect the electric motor to the drivetrain. They enable torque and speed transformation, ensuring the motor’s output is suitable for the vehicle’s desired speed range and load conditions.

Torque Splitting in Hybrids: Hybrid vehicles often have both an internal combustion engine (ICE) and an electric motor. Planetary gearboxes enable torque splitting between the two power sources, optimizing their combined performance for various driving scenarios, such as electric-only mode, hybrid mode, and regenerative braking.

Regenerative Braking: Planetary gearboxes facilitate regenerative braking in electric and hybrid vehicles. They enable the electric motor to function as a generator, converting kinetic energy into electrical energy during deceleration. This energy can then be stored in the vehicle’s battery for later use.

Compact Design: Planetary gearboxes offer a compact design with a high power density, making them suitable for the limited space available in electric and hybrid vehicles. This compactness allows manufacturers to maximize interior space and accommodate battery packs, drivetrain components, and other systems.

Efficient Power Distribution: The unique arrangement of planetary gears allows for efficient power distribution and torque management. This is particularly important in electric and hybrid powertrains, where optimal power allocation between different components contributes to overall efficiency.

CVT Functionality: Some hybrid vehicles incorporate Continuously Variable Transmission (CVT) functionality using planetary gearsets. This enables seamless and efficient transitions between various gear ratios, improving the driving experience and enhancing fuel efficiency.

Performance Modes: Planetary gearboxes facilitate the implementation of different performance modes in electric and hybrid vehicles. These modes, such as “Sport” or “Eco,” adjust the power distribution and gear ratios to optimize performance or energy efficiency based on the driver’s preferences.

Reduction Gear for Electric Motors: Electric motors often operate at high speeds and require reduction gearing to match the vehicle’s requirements. Planetary gearboxes provide the necessary gear reduction while maintaining efficiency and torque output.

Efficient Torque Transfer: Planetary gearboxes ensure efficient transfer of torque from the power source to the wheels, resulting in smooth acceleration and responsive performance in electric and hybrid vehicles.

Integration with Energy Storage: Planetary gearboxes contribute to the integration of energy storage systems, such as lithium-ion batteries, by efficiently connecting the power source to the drivetrain while managing power delivery and regeneration.

In summary, planetary gearboxes are integral components of the powertrain systems in electric and hybrid vehicles. They enable efficient power distribution, torque transformation, regenerative braking, and various driving modes, contributing to the overall performance, efficiency, and sustainability of these vehicles.

planetary gearbox

Advantages of Backlash Reduction Mechanisms in Planetary Gearboxes

Backlash reduction mechanisms in planetary gearboxes offer several advantages that contribute to improved performance and precision:

Improved Positioning Accuracy: Backlash, or the play between gear teeth, can lead to positioning errors in applications where precise movement is crucial. Reduction mechanisms help minimize or eliminate this play, resulting in more accurate positioning.

Better Reversal Characteristics: Backlash can cause a delay in reversing the direction of motion. With reduction mechanisms, the reversal is smoother and more immediate, making them suitable for applications requiring quick changes in direction.

Enhanced Efficiency: Backlash can lead to energy losses and reduced efficiency due to the impacts between gear teeth. Reduction mechanisms minimize these impacts, improving overall power transmission efficiency.

Reduced Noise and Vibration: Backlash can contribute to noise and vibration in gearboxes, affecting both the equipment and the surrounding environment. By reducing backlash, the noise and vibration levels are significantly decreased.

Better Wear Protection: Backlash can accelerate wear on gear teeth, leading to premature gearbox failure. Reduction mechanisms help distribute the load more evenly across the teeth, extending the lifespan of the gearbox.

Enhanced System Stability: In applications where stability is crucial, such as robotics and automation, backlash reduction mechanisms contribute to smoother operation and reduced oscillations.

Compatibility with Precision Applications: Industries such as aerospace, medical equipment, and optics require high precision. Backlash reduction mechanisms make planetary gearboxes suitable for these applications by ensuring accurate and reliable motion.

Increased Control and Performance: In applications where control is critical, such as CNC machines and robotics, reduction mechanisms provide better control over the motion and enable finer adjustments.

Minimized Error Accumulation: In systems with multiple gear stages, backlash can accumulate, leading to larger positioning errors. Reduction mechanisms help minimize this error accumulation, maintaining accuracy throughout the system.

Overall, incorporating backlash reduction mechanisms in planetary gearboxes leads to improved accuracy, efficiency, reliability, and performance, making them essential components in precision-driven industries.

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 Custom Reducer Drive DC Stepper Servo Motor 60mm 90mm 120mm Flange Mounting Gear Case Transmission Precision Planetary Gearbox   cycloidal gearbox	China Custom Reducer Drive DC Stepper Servo Motor 60mm 90mm 120mm Flange Mounting Gear Case Transmission Precision Planetary Gearbox   cycloidal gearbox
editor by CX 2024-02-18

China factory Automatic Small High Torque Planetary Gearboxes, Reduction Gears for Stepper Motor Planetary Speed Reducer Gear Box dinamic oil planetary gearbox

Product Description

We are 1 of the leading manufacturer of planetary gearboxes through powder metallurgy. A gearbox is a power transmission device to produce high torque by reducing the drive speed or increase the drive speed the other way. Planetary gearbox consisting 3 components: sun gear, planet gear and ring gear . A Sun gear is a gearwheel in a planetary gear system, that rotates around its own axis and has other gears (planet gears) that rotate around it. Much like the Sun and planets in our solar system. The amount of planetary gears in a gearbox varies based on the gear ratio. Most planetary gearboxes have from 2 to 5 planet gears.
When looking at planetary gears, the strength of the gearbox is usually determined by the size of the sun gear. Larger sun gears will allow for higher torque values. The planet carrier,Its objective is to hold up to gears of the same size, which mesh with the sun gear.

Planetary Gearbox advantages:

  1. Provides high torque at slow speeds .
  2. The shafts are made up of hardened and tempered alloy steel .
  3. Sun gears ,planet gears and ring gears are made of powder metallurgy and sintering steel
  4. Low noise levels.
  5. Good quality taper roller bearings for input and output shafts .
  6. High efficiency .

We produce precision metal gearboxes through powder metallurgy .
Powder metallurgy is a metal working process in which finely-powdered metal is mixed with binder material to create a”feedstock” that is then shaped and solidified using injection molding.The ability to combine several operations into 1 process ensures MIM is successful in saving lead times as well as costs, providing significant benefits to manufacturers. The metal injection molding process might be a green technology due to the significant reduction in wastage compared to “traditional” manufacturing methods.

MIM can produce parts where it is difficult, or even impossible, to efficiently manufacture an item through other means of fabrication. Increased costs for traditional manufacturing methods inherent to part complexity, such as internal/external threads, miniaturization, or identity marking, typically do not increase the cost in a MIM operation due to the flexibility of injection molding.
The window of economic advantage in metal injection molded parts lies in complexity and volume for small-size parts. MIM materials are comparable to metal formed by competing methods, and final products are used in a broad range of industrial, commercial, medical, dental, firearms, aerospace, and automotive applications. Dimensional tolerances of ±0.3% are common and machining is required for closer tolerances .
MIM technology has found increased applications in the commercial world – from home appliances to watches, automobiles to aerospace, and medical to orthodontics.

The advantages of metal injection molding for metal fabrications :

  • Highest degree of design freedom for complex shapes and geometries
  • Provides practical economic solutions to increasingly stringent material and product design requirements
  • Functional integration of various features, such as lateral drillings, interior and exterior threads and gear teeth.
  • Components can be heat and surface treated, plated, welded and soldered
  • Very high volume production series run on fully-automatic injection molding machines using multi-cavity tools
  •   Excellent batch to batch repeatability with exceptional process capabilities

 

Metal injection moulding process custom metal parts 

MIM prcess in each steps :
1. Metal powers option
2. Binders
3. Mixing
4. Molding
5. De-binding
6. Sintering
7. post sintering operation such as polishing 
8. Mechanical properties MIM parts

Customized metal parts specification
 

Product type Planetary gear box , speed reducer for motors
Material steel 
Process Powder metallurgy 
Treatment plating ,sand blasting , PVD , coating
Tolerance ±0.3%
Drawing format DWG ,IGS , STP
Delivery time  20 days for mass production

Custom metal parts

Workshop

Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Car Parts
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout: Coaxial
Hardness: Soft Tooth Surface
Installation: Vertical Type
Step: Four-Step
Samples:
US$ 5/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

planetarygearbox

Planetary Gearbox

This article will explore the design and applications of a planetary gearbox. The reduction ratio of a planetary gearbox is dependent on the number of teeth in the gears. The ratios of planetary gearboxes are usually lower than those of conventional mechanical transmissions, which are mainly used to drive engines and generators. They are often the best choice for heavy-duty applications. The following are some of the advantages of planetary gearboxes.

planetary gearboxes

Planetary gearboxes work on a similar principle to solar systems. They rotate around a center gear called the sun gear, and two or more outer gears, called planet gears, are connected by a carrier. These gears then drive an output shaft. The arrangement of planet gears is similar to that of the Milky Way’s ring of planets. This arrangement produces the best torque density and stiffness for a gearbox.
As a compact alternative to normal pinion-and-gear reducers, planetary gearing offers many advantages. These characteristics make planetary gearing ideal for a variety of applications, including compactness and low weight. The efficiency of planetary gearing is enhanced by the fact that ninety percent of the input energy is transferred to the output. The gearboxes also have low noise and high torque density. Additionally, their design offers better load distribution, which contributes to a longer service life.
Planetary gears require lubrication. Because they have a smaller footprint than conventional gears, they dissipate heat well. In fact, lubrication can even lower vibration and noise. It’s also important to keep the gears properly lubricated to prevent the wear and tear that comes with use. The lubrication in planetary gears also helps keep them operating properly and reduces wear and tear on the gears.
A planetary gearbox uses multiple planetary parts to achieve the reduction goal. Each gear has an output shaft and a sun gear located in the center. The ring gear is fixed to the machine, while the sun gear is attached to a clamping system. The outer gears are connected to the carrier, and each planetary gear is held together by rings. This arrangement allows the planetary gear to be symmetrical with respect to the input shaft.
The gear ratio of a planetary gearbox is defined by the sun gear’s number of teeth. As the sun gear gets smaller, the ratio of the gear will increase. The ratio range of planetary gears ranges from 3:1 to ten to one. Eventually, however, the sun gear becomes too small, and the torque will fall significantly. The higher the ratio, the less torque the gears can transmit. So, planetary gears are often referred to as “planetary” gears.
planetarygearbox

Their design

The basic design of a Planetary Gearbox is quite simple. It consists of three interconnecting links, each of which has its own torque. The ring gear is fixed to the frame 0 at O, and the other two are fixed to each other at A and B. The ring gear, meanwhile, is attached to the planet arm 3 at O. All three parts are connected by joints. A free-body diagram is shown in Figure 9.
During the development process, the design team will divide the power to each individual planet into its respective power paths. This distribution will be based on the meshing condition of all gears in the system. Then, the design team will proceed to determine the loads on individual gear meshes. Using this method, it is possible to determine the loads on individual gear meshes and the shape of ring gear housing.
Planetary Gearboxes are made of three gear types. The sun gear is the center, which is connected to the other two gears by an internal tooth ring gear. The planet pinions are arranged in a carrier assembly that sets their spacing. The carrier also incorporates an output shaft. The three components in a Planetary Gearbox mesh with each other, and they rotate together as one. Depending on the application, they may rotate at different speeds or at different times.
The planetary gearbox’s design is unique. In a planetary gearbox, the input gear rotates around the central gear, while the outer gears are arranged around the sun gear. In addition, the ring gear holds the structure together. A carrier connects the outer gears to the output shaft. Ultimately, this gear system transmits high torque. This type of gearbox is ideal for high-speed operations.
The basic design of a Planetary Gearbox consists of multiple contacts that must mesh with each other. A single planet has an integer number of teeth, while the ring has a non-integer number. The teeth of the planets must mesh with each other, as well as the sun. The tooth counts, as well as the planet spacing, play a role in the design. A planetary gearbox must have an integer number of teeth to function properly.

Applications

In addition to the above-mentioned applications, planetary gearing is also used in machine tools, plastic machinery, derrick and dock cranes, and material handling equipments. Further, its application is found in dredging equipment, road-making machinery, sugar crystallizers, and mill drives. While its versatility and efficiency makes it a desirable choice for many industries, its complicated structure and construction make it a complex component.
Among the many benefits of using a planetary gearbox, the ability to transmit greater torque into a controlled space makes it a popular choice for many industries. Moreover, adding additional planet gears increases the torque density. This makes planetary gears suitable for applications requiring high torque. They are also used in electric screwdrivers and turbine engines. However, they are not used in everything. Some of the more common applications are discussed below:
One of the most important features of planetary gearboxes is their compact footprint. They are able to transmit torque while at the same time reducing noise and vibration. In addition to this, they are able to achieve a high speed without sacrificing high-quality performance. The compact footprint of these gears also allows them to be used in high-speed applications. In some cases, a planetary gearbox has sliding sections. Some of these sections are lubricated with oil, while others may require a synthetic gel. Despite these unique features, planetary gears have become common in many industries.
Planetary gears are composed of three components. The sun gear is the input gear, whereas the planet gears are the output gears. They are connected by a carrier. The carrier connects the input shaft with the output shaft. A planetary gearbox can be designed for various requirements, and the type you use will depend on the needs of your application. Its design and performance must meet your application’s needs.
The ratios of planetary gears vary depending on the number of planets. The smaller the sun gear, the greater the ratio. When planetary stages are used alone, the ratio range is 3:1 to 10:1. Higher ratios can be obtained by connecting several planetary stages together in the same ring gear. This method is known as a multi-stage gearbox. However, it can only be used in large gearboxes.
planetarygearbox

Maintenance

The main component of a planetary gearbox is the planetary gear. It requires regular maintenance and cleaning to remain in top shape. Demand for a longer life span protects all other components of the gearbox. This article will discuss the maintenance and cleaning procedures for planetary gears. After reading this article, you should know how to maintain your planetary gearbox properly. Hopefully, you can enjoy a longer life with your gearbox.
Firstly, it is important to know how to properly lubricate a planetary gearbox. The lubricant is essential as gears that operate at high speeds are subject to high levels of heat and friction. The housing of the planetary gearbox should be constructed to allow the heat to dissipate. The recommended oil is synthetic, and it should be filled between 30 and 50 percent. The lubricant should be changed at least every six months or as needed.
While it may seem unnecessary to replace a planetary gearbox, regular servicing will help it last a long time. A regular inspection will identify a problem and the appropriate repairs are needed. Once the planetary gearbox is full, it will plug with gear oil. To avoid this problem, consider getting the unit repaired instead of replacing the gearbox. This can save you a lot of money over a new planetary gearbox.
Proper lubrication is essential for a long life of your planetary gearbox. Oil change frequency should be based on oil temperature and operating speed. Oil at higher temperatures should be changed more frequently because it loses its molecular structure and cannot form a protective film. After this, oil filter maintenance should be performed every few months. Lastly, the gearbox oil needs to be checked regularly and replaced when necessary.

China factory Automatic Small High Torque Planetary Gearboxes, Reduction Gears for Stepper Motor Planetary Speed Reducer Gear Box   dinamic oil planetary gearboxChina factory Automatic Small High Torque Planetary Gearboxes, Reduction Gears for Stepper Motor Planetary Speed Reducer Gear Box   dinamic oil planetary gearbox
editor by CX 2023-05-06

China Newgear 110mm Ratio 50: 1 Helical Gear Planetary Gear Box for Stepper Motor planetary gearbox dc motor

Solution Description

Newgear 110mm Ratio 50:1 Helical Gear Planetary Gear Box For Stepper Motor

Planetary reducer is broadly utilised, primarily in the field of textile machinery, spring device, printing tools, and many others
There are also numerous brand names of servo motors, largely such as Panasonnic,Fuji,Mitsubishi, et
Nickel chromium molybdenum alloy metal equipment is made with carburizing warmth treatment method for large abrasion resistance and affect toughness and by honing process to improve equipment precision and reduced sounds operation.Interior equipment bore employs needle roller to obtain larger abrasion resistance and power.

Solution Description

1.The distinctive flange output made can acquire greater installation freedom
two.The fuselage dimensions is shorter and the installation area requirement is minimal
3.No axis double assistance circumstance planet provider composition,substantial reputable,suited for large-speed frequent CZPT and reverse rotation
four.With axial clearance adjustment perform
five.The rotating body bearing can be switched. Right after altering into angular get in touch with bearing, the bearing capability of axial drive and radial drive is significantly enhanced
6.Influence resistance, can adapt to high acceleration and deceleration situations
seven.Helical gear transmission,low backlash,and have potential increased
eight.Dimension range:sixty four–110mm
9.Ratio variety:3-100
ten.Precision variety:1-3arcmin(P1)3-5arcmin(P2)

Specifications PG64 PG90 PG110
Technal Parameters
Max. Torque Nm 3times rated torque
Emergency Quit Torque Nm 3times rated torque
Max. Radial Load N 2050 4100 8200
Max. Axial Load N 513 1571 2050
Torsional Rigidity Nm/arcmin thirteen 31 eighty two
Max.Enter Pace rpm 6000 6000 4500-6000
Rated Enter Velocity rpm 4000 3000 3000
Noise dB ≤58 ≤60 ≤65
Average Life Time h 20000
Efficiency Of Complete Load % L1≥95%       L2≥90%
Return Backlash P1 L1 arcmin ≤3 ≤3 ≤3
L2 arcmin ≤5 ≤5 ≤5
P2 L1 arcmin ≤5 ≤5 ≤5
L2 arcmin ≤8 ≤8 ≤8
Instant Of Inertia Table L1 4 Kg*cm2 .thirteen .51 two.87
5 Kg*cm2 .thirteen .47 2.seventy one
seven Kg*cm2 .thirteen .forty five 2.62
ten Kg*cm2 .03 .forty four two.57
L2 16 Kg*cm2 .03 .23 .47
twenty Kg*cm2 .03 .23 .forty seven
twenty five Kg*cm2 .03 .23 .forty seven
28 Kg*cm2 .03 .23 .forty seven
35 Kg*cm2 .03 .23 .47
40 Kg*cm2 .03 .23 .47
fifty Kg*cm2 .03 .2 .44
70 Kg*cm2 .03 .two .forty four
a hundred Kg*cm2 .03 .two .forty four
Complex Parameter Stage Ratio   PXR42 PXR60 PXR90
Rated Torque L1 4 Nm forty one hundred twenty 220
five Nm forty one hundred twenty five 260
seven Nm forty 125 260
10 Nm 35 eighty a hundred and sixty
L2 sixteen Nm fifty one hundred twenty 300
twenty Nm 50 a hundred and twenty three hundred
25 Nm 50 125 350
28 Nm 50 120 three hundred
35 Nm fifty a hundred twenty five 350
40 Nm fifty a hundred twenty five 350
fifty Nm 50 one hundred twenty five 350
70 Nm 50 125 350
a hundred Nm 35 eighty 220
Degree Of Defense   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg one.three three.4 7.one
L2 kg one.9 four.7 9.5

Firm Profile

Packaging & Shipping and delivery

1. Guide time: 7-ten functioning days as usual, twenty functioning times in busy year, it will be based on the comprehensive purchase amount
2. Shipping: DHL/ UPS/ FEDEX/ EMS/ TNT

 

Application: Industrial
Speed: Low Speed
Function: Driving
Casing Protection: Closed Type
Number of Poles: 2
Starting Mode: Direct on-line Starting
Samples:
US$ 492/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request