Tag Archives: torque planetary gearboxes

China Professional Ab Series Aluminium Helical Bevel Planetary Gearboxes High Torque Planetary Gearbox for Servo Motor best automatic gearbox

Product Description

Planetary Gearbox AB Series Square Flange Helical Bevel Planetary Transmission Gearboxes Servo Motor

Product Overview:

 

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.

SERIES: AP/ APK/ APC/ APCK/ AH/ AHK/ AHKA/B/ AHKC/ AFH/ AFHK/ KF/ KHSERIES: AB/ ABR/ AD/ADS/ ADR/ AF/ AFR/ AFX/ AFXR/ AE/ AER/ AE/ AERSSERIES: PEII/ PEIIR/ PGII/ PGIIR/ PAII/ PAIIR/ PSII/ PSIIR/ PD/ PDR/ PL/ PLRAPPLICATION

features:

AB-series reducer features:

1. Helical gear design The reduction mechanism adopts the helical gear design, and its tooth shape meshing rate is more than twice that of the general spur gear, and has the characteristics of smooth operation, low noise, high output torque and low backlash

2. Collet type locking mechanism The connection between the input end and the motor adopts a collet-type locking mechanism and undergoes dynamic balance analysis to ensure the concentricity of the joint interface and zero-backlash power transmission at high input speeds
3. Modular design of motor connection board The unique modular design of the motor connecting plate and shaft is suitable for any brand and type of servo motor;
4. Efficient surface treatment technology The surface of the gearbox is treated with electroless nickel, and the connecting plate of the motor is treated with black anodic treatment to improve the environmental tolerance and corrosion resistance
5. One-piece gearbox body The gearbox and the inner ring gear adopt an integrated design, with compact structure, high precision and large output torque

 

6. Accurate concentricity of gear bar The sun gear made of the whole gear bar has strong rigidity and accurate concentricity
7. Solid, Single piece sun gear construction obtains precise concentricity with increased strength and rigidity. 8.Precision taper roller bearing support to increases radial and axial loading capacity.

Our Advantages

 

SERIES: AB/ ABR/ AD/ADS/ ADR/ AF/ AFR/ AFX/ AFXR/ AE/ AER/ AE/ AERS


PLF series, PLE series, ZPLF series, ZPLE series, AB series, ABR series and many other models are available.

Product Description

Planetary Gearbox AB Series Square Flange Helical Bevel Planetary Transmission Gearboxes Servo Motor

Advantages of the planetary gearbox:

Low backlash

High Efficiency

High Torque

High Input Speed

High Stability

High Reduction Ratio

 

Product Parameters

Name

High Precision Planetary Gearbox

Model

AB042, AB060, AB060A, AB090A, AB115, AB142, AB180, AB220

Gearing Arrangement

Planetary

Effeiency withfull load

≥97

Backlash

≤5

Weight

0.5~48kg

Gear Type

Helical Gear

Gear stages

1 stage, 2 stage 

Rated Torque

14N.m-2000N.m

Gear Ratio One-stage

3, 4, 5, 6, 7, 8, 9, 10

Gear Ratio Two-stage

15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100

Mounting Position

Horizontal (foot mounted) or Vertical (flange mounted)

Usage

stepper motor, servo motor, AC motor, DC motor, etc

 

Applications

 

 

Company Profile

Certifications

Packaging & Shipping

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Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Step: Single-Step
Weight: 1.3
Ratio: 3-100
Samples:
US$ 100/Piece
1 Piece(Min.Order)

|
Request Sample

planetary gearbox

Challenges in Achieving High Gear Ratios with Compactness in Planetary Gearboxes

Designing planetary gearboxes with high gear ratios while maintaining compactness presents several challenges:

  • Space Constraints: As the gear ratio increases, the number of gear stages required also increases. This can lead to larger gearbox sizes, which may be challenging to accommodate in applications with limited space.
  • Bearing Loads: Higher gear ratios often result in increased loads on the bearings and other components due to the redistribution of forces. This can impact the durability and lifespan of the gearbox.
  • Efficiency: Each gear stage introduces losses due to friction and other factors. With multiple stages, the overall efficiency of the gearbox can decrease, affecting its energy efficiency.
  • Complexity: Achieving high gear ratios can require complex gear arrangements and additional components, which can lead to increased manufacturing complexity and costs.
  • Thermal Effects: Higher gear ratios can lead to greater heat generation due to increased friction and loads. Managing thermal effects becomes crucial to prevent overheating and component failure.

To address these challenges, gearbox designers use advanced materials, precise machining techniques, and innovative bearing arrangements to optimize the design for both compactness and performance. Computer simulations and modeling play a critical role in predicting the behavior of the gearbox under different operating conditions, helping to ensure reliability and efficiency.

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 Professional Ab Series Aluminium Helical Bevel Planetary Gearboxes High Torque Planetary Gearbox for Servo Motor   best automatic gearbox	China Professional Ab Series Aluminium Helical Bevel Planetary Gearboxes High Torque Planetary Gearbox for Servo Motor   best automatic gearbox
editor by CX 2024-03-08

China High Torque Low Backlash Transmission NEMA42 Motor Planetary Gearboxes (PRN120-L2) bicycle planetary gearbox

Product Description

High Torque Lower Backlash Transmission Nema42 Motor Planetary Gearboxes (PRN120-L2)

The higher-precision planetary gearbox adopts spur gear layout, and is utilized in a variety of handle transmission fields with servo motors, this kind of as precision machine resources, laser cutting equipment, battery processing products, and so forth. It has the rewards of massive torsional rigidity and huge output torque.

Solution Description

one.Output threaded relationship, normal set up,common utilization.
2.Single cantilever structure.straightforward layout,economic value
3.Operating steady. Lower noise.
4.Round flange output,threaded reverse relationship,standardized size.
5.Keyway can be opened in the drive shaft.
6.The output connection specs are comprehensive and there are several options
seven.Backlash 8-16 arcmin. Can suit most occasion.

Product Parameters

Specifications PRN60 PRN80 PRN90 PRN120 PRN160
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency End Torque Nm 2.5times rated torque
Max. Radial Load N 240 400 450 1240 2250
Max. Axial Load N 220 420 430 a thousand 1500
Torsional Rigidity Nm/arcmin one.eight four.7 four.eighty five 11 35
Max.Input Speed rpm 8000 6000 6000 6000 4000
Rated Input Pace rpm 4000 3500 3500 3500 3000
Noise dB ≤58 ≤60 ≤60 ≤65 ≤70
Average Daily life Time h 20000
Efficiency Of Total Load % L1≥96%                     L2≥94%
Return Backlash P1 L1 arcmin ≤8 ≤8 ≤8 ≤8 ≤8
L2 arcmin ≤12 ≤12 ≤12 ≤12 ≤12
P2 L1 arcmin ≤16 ≤16 ≤16 ≤16 ≤16
L2 arcmin ≤20 ≤20 ≤20 ≤20 ≤20
Moment Of Inertia Table L1 3 Kg*cm2 .forty six .77 1.seventy three 12.78 36.72
4 Kg*cm2 .forty six .seventy seven 1.seventy three twelve.78 36.72
five Kg*cm2 .forty six .seventy seven one.seventy three twelve.78 36.72
7 Kg*cm2 .forty one .65 one.forty two eleven.38 34.02
10 Kg*cm2 .41 .sixty five one.forty two 11.38 34.02
L2 twelve Kg*cm2 .forty four .seventy two one.forty nine twelve.eighteen 34.24
fifteen Kg*cm2 .forty four .seventy two 1.49 12.eighteen 34.24
sixteen Kg*cm2 .seventy two .seventy two 1.49 12.eighteen 34.24
twenty Kg*cm2 .forty four .seventy two 1.49 twelve.18 34.24
25 Kg*cm2 .44 .seventy two 1.49 12.18 34.24
28 Kg*cm2 .forty four .72 one.forty nine twelve.eighteen 34.24
thirty Kg*cm2 .44 .seventy two one.forty nine twelve.18 34.24
35 Kg*cm2 .forty four .seventy two one.forty nine 12.eighteen 34.24
40 Kg*cm2 .forty four .seventy two 1.forty nine twelve.eighteen 34.24
50 Kg*cm2 .34 .fifty eight one.25 eleven.48 34.02
70 Kg*cm2 .34 .58 one.25 eleven.48 34.02
one hundred Kg*cm2 .34 .fifty eight one.25 11.forty eight 34.02
Complex Parameter Degree Ratio   PRN60 PRN80 PRN90 PRN120 PRN160
Rated Torque L1 3 Nm 27 fifty 96 161 364
four Nm forty 90 122 210 423
5 Nm forty ninety 122 210 423
7 Nm 34 48 95 a hundred and seventy 358
10 Nm 16 22 56 86 210
L2 twelve Nm 27 50 ninety six 161 364
15 Nm 27 fifty ninety six 161 364
16 Nm forty ninety 122 210 423
20 Nm 40 90 122 210 423
twenty five Nm 40 ninety 122 210 423
28 Nm forty ninety 122 210 423
30 Nm 27 fifty 96 161 364
35 Nm forty ninety 122 210 423
40 Nm 40 90 122 210 423
fifty Nm 40 90 122 210 423
70 Nm 34 48 ninety five 170 358
100 Nm 16 22 fifty six 86 210
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg .95 2.27 3.06 6.93 fifteen.5
L2 kg one.2 two.eight three.86 8.98 seventeen

Firm Profile

Packaging & Shipping

one. Lead time: 10-fifteen days as usual, thirty days in hectic season, it will be primarily based on the thorough buy quantity
2. Shipping: DHL/ TNT/ UPS/ EMS/ FEDEX

FAQ

one. who are we?
Hefa Group is primarily based in ZheJiang , China, start off from 1998,has a 3 subsidiaries in overall.The Major Items is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,equipment ring,chain wheel,hollow rotating system,module,and so forth

2. how can we guarantee quality?
Usually a pre-creation sample prior to mass manufacturing
Often ultimate Inspection prior to cargo

3. how to decide on the appropriate planetary gearbox?
1st of all,we need you to be in a position to supply appropriate parameters.If you have a motor drawing,it will let us recommend a suited gearbox for you more quickly.If not,we hope you can offer the pursuing motor parameters:output pace,output torque,voltage,existing,ip,sounds,functioning situations,motor dimension and electricity,and so on

4. why need to you buy from us not from other suppliers?
We are a 22 many years activities maker on producing the gears, specializing in producing all types of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and these kinds of transmission equipment elements

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

Application: Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Double-Step

###

Samples:
US$ 202/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:
Available

|


###

Specifications PRN60 PRN80 PRN90 PRN120 PRN160
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 240 400 450 1240 2250
Max. Axial Load N 220 420 430 1000 1500
Torsional Rigidity Nm/arcmin 1.8 4.7 4.85 11 35
Max.Input Speed rpm 8000 6000 6000 6000 4000
Rated Input Speed rpm 4000 3500 3500 3500 3000
Noise dB 58 ≤60 ≤60 ≤65 ≤70
Average Life Time h 20000
Efficiency Of Full Load % L196%                     L294%
Return Backlash P1 L1 arcmin ≤8 ≤8 ≤8 ≤8 ≤8
L2 arcmin ≤12 ≤12 ≤12 ≤12 ≤12
P2 L1 arcmin ≤16 ≤16 ≤16 ≤16 ≤16
L2 arcmin ≤20 ≤20 ≤20 ≤20 ≤20
Moment Of Inertia Table L1 3 Kg*cm2 0.46 0.77 1.73 12.78 36.72
4 Kg*cm2 0.46 0.77 1.73 12.78 36.72
5 Kg*cm2 0.46 0.77 1.73 12.78 36.72
7 Kg*cm2 0.41 0.65 1.42 11.38 34.02
10 Kg*cm2 0.41 0.65 1.42 11.38 34.02
L2 12 Kg*cm2 0.44 0.72 1.49 12.18 34.24
15 Kg*cm2 0.44 0.72 1.49 12.18 34.24
16 Kg*cm2 0.72 0.72 1.49 12.18 34.24
20 Kg*cm2 0.44 0.72 1.49 12.18 34.24
25 Kg*cm2 0.44 0.72 1.49 12.18 34.24
28 Kg*cm2 0.44 0.72 1.49 12.18 34.24
30 Kg*cm2 0.44 0.72 1.49 12.18 34.24
35 Kg*cm2 0.44 0.72 1.49 12.18 34.24
40 Kg*cm2 0.44 0.72 1.49 12.18 34.24
50 Kg*cm2 0.34 0.58 1.25 11.48 34.02
70 Kg*cm2 0.34 0.58 1.25 11.48 34.02
100 Kg*cm2 0.34 0.58 1.25 11.48 34.02
Technical Parameter Level Ratio   PRN60 PRN80 PRN90 PRN120 PRN160
Rated Torque L1 3 Nm 27 50 96 161 364
4 Nm 40 90 122 210 423
5 Nm 40 90 122 210 423
7 Nm 34 48 95 170 358
10 Nm 16 22 56 86 210
L2 12 Nm 27 50 96 161 364
15 Nm 27 50 96 161 364
16 Nm 40 90 122 210 423
20 Nm 40 90 122 210 423
25 Nm 40 90 122 210 423
28 Nm 40 90 122 210 423
30 Nm 27 50 96 161 364
35 Nm 40 90 122 210 423
40 Nm 40 90 122 210 423
50 Nm 40 90 122 210 423
70 Nm 34 48 95 170 358
100 Nm 16 22 56 86 210
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 0.95 2.27 3.06 6.93 15.5
L2 kg 1.2 2.8 3.86 8.98 17
Application: Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator Machinery
Function: Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Coaxial
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Step: Double-Step

###

Samples:
US$ 202/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:
Available

|


###

Specifications PRN60 PRN80 PRN90 PRN120 PRN160
Technal Parameters
Max. Torque Nm 1.5times rated torque
Emergency Stop Torque Nm 2.5times rated torque
Max. Radial Load N 240 400 450 1240 2250
Max. Axial Load N 220 420 430 1000 1500
Torsional Rigidity Nm/arcmin 1.8 4.7 4.85 11 35
Max.Input Speed rpm 8000 6000 6000 6000 4000
Rated Input Speed rpm 4000 3500 3500 3500 3000
Noise dB 58 ≤60 ≤60 ≤65 ≤70
Average Life Time h 20000
Efficiency Of Full Load % L196%                     L294%
Return Backlash P1 L1 arcmin ≤8 ≤8 ≤8 ≤8 ≤8
L2 arcmin ≤12 ≤12 ≤12 ≤12 ≤12
P2 L1 arcmin ≤16 ≤16 ≤16 ≤16 ≤16
L2 arcmin ≤20 ≤20 ≤20 ≤20 ≤20
Moment Of Inertia Table L1 3 Kg*cm2 0.46 0.77 1.73 12.78 36.72
4 Kg*cm2 0.46 0.77 1.73 12.78 36.72
5 Kg*cm2 0.46 0.77 1.73 12.78 36.72
7 Kg*cm2 0.41 0.65 1.42 11.38 34.02
10 Kg*cm2 0.41 0.65 1.42 11.38 34.02
L2 12 Kg*cm2 0.44 0.72 1.49 12.18 34.24
15 Kg*cm2 0.44 0.72 1.49 12.18 34.24
16 Kg*cm2 0.72 0.72 1.49 12.18 34.24
20 Kg*cm2 0.44 0.72 1.49 12.18 34.24
25 Kg*cm2 0.44 0.72 1.49 12.18 34.24
28 Kg*cm2 0.44 0.72 1.49 12.18 34.24
30 Kg*cm2 0.44 0.72 1.49 12.18 34.24
35 Kg*cm2 0.44 0.72 1.49 12.18 34.24
40 Kg*cm2 0.44 0.72 1.49 12.18 34.24
50 Kg*cm2 0.34 0.58 1.25 11.48 34.02
70 Kg*cm2 0.34 0.58 1.25 11.48 34.02
100 Kg*cm2 0.34 0.58 1.25 11.48 34.02
Technical Parameter Level Ratio   PRN60 PRN80 PRN90 PRN120 PRN160
Rated Torque L1 3 Nm 27 50 96 161 364
4 Nm 40 90 122 210 423
5 Nm 40 90 122 210 423
7 Nm 34 48 95 170 358
10 Nm 16 22 56 86 210
L2 12 Nm 27 50 96 161 364
15 Nm 27 50 96 161 364
16 Nm 40 90 122 210 423
20 Nm 40 90 122 210 423
25 Nm 40 90 122 210 423
28 Nm 40 90 122 210 423
30 Nm 27 50 96 161 364
35 Nm 40 90 122 210 423
40 Nm 40 90 122 210 423
50 Nm 40 90 122 210 423
70 Nm 34 48 95 170 358
100 Nm 16 22 56 86 210
Degree Of Protection   IP65
Operation Temprature ºC  – 10ºC to -90ºC
Weight L1 kg 0.95 2.27 3.06 6.93 15.5
L2 kg 1.2 2.8 3.86 8.98 17

A Brief Overview of the Spur Gear and the Helical Planetary Gearbox

This article will provide a brief overview of the Spur gear and the helical planetary gearbox. To learn more about the advantages of these gearboxes, read on. Here are a few common uses for planetary gears. A planetary gearbox is used in many vehicles. Its efficiency makes it a popular choice for small engines. Here are three examples. Each has its benefits and drawbacks. Let’s explore each one.
planetarygearbox

helical planetary gearbox

In terms of price, the CZPT is an entry-level, highly reliable helical planetary gearbox. It is suitable for applications where space, weight, and torque reduction are of high concern. On the other hand, the X-Treme series is suitable for applications requiring high-acceleration, high-axial and radial loads, and high-speed performance. This article will discuss the benefits of each type of planetary gearbox.
A planetary gearbox’s traction-based design is a variation of the stepped-planet design. This variation relies on the compression of the elements of the stepped-planet design. The resulting design avoids restrictive assembly conditions and timing marks. Compared to conventional gearboxes, compound planetary gears have a greater transmission ratio, and they do so with an equal or smaller volume. For example, a 2:1 ratio compound planet would be used with a 50-ton ring gear, and the result would be the same as a 100-ton ring gear, but the planetary disks would be half the diameter.
The Helical planetary gearbox uses three components: an input, an output, and a stationary position. The basic model is highly efficient and transmits 97% of the input power. There are three main types of planetary gearboxes, each focusing on a different performance characteristic. The CZPT basic line is an excellent place to start your research into planetary gearboxes. In addition to its efficiency and versatility, this gearbox has a host of modular features.
The Helical planetary gearbox has multiple advantages. It is versatile, lightweight, and easy to maintain. Its structure combines a sun gear and a planet gear. Its teeth are arranged in a way that they mesh with each other and the sun gear. It can also be used for stationary applications. The sun gear holds the carrier stationary and rotates at the rate of -24/16 and -3/2, depending on the number of teeth on each gear.
A helical planetary gearbox can reduce noise. Its shape is also smaller, reducing the size of the system. The helical gears are generally quieter and run more smoothly. The zero helix-angle gears, in contrast, have smaller sizes and higher torque density. This is a benefit, but the latter also increases the life of the system and is less expensive. So, while the helical planetary gearbox has many advantages, the latter is recommended when space is limited.
The helical gearbox is more efficient than the spur gear, which is limited by its lack of axial load component. The helical gears, on the other hand, generate significant axial forces in the gear mesh. They also exhibit more sliding at the points of tooth contact, adding friction forces. As such, the Helical planetary gearbox is the preferred choice in servo applications. If you’re looking for a gearbox to reduce noise and improve efficiency, Helical planetary gearboxes are the right choice.
The main differences between the two types of planetary gears can be found in the design of the two outer rings. The outer ring is also called the sun gear. The two gears mesh together according to their own axes. The outer ring is the planetary gear’s carrier. Its weight is proportional to the portion of the ring that is stationary. The carrier sets the gaps between the two gears.
Helical gears have angled teeth and are ideal for applications with high loads. They are also extremely durable and can transfer a high load. A typical Helical gearbox has two pairs of teeth, and this ensures smooth transmission. In addition, the increased contact ratio leads to lower fluctuations in mesh stiffness, which means more load capacity. In terms of price, Helical planetary gears are the most affordable gearbox type.
The outer ring gear drives the inner ring gear and surrounding planetary parts. A wheel drive planetary gearbox may have as much as 332,000 N.m. torque. Another common type of planetary gearbox is wheel drive. It is similar to a hub, but the outer ring gear drives the wheels and the sun gear. They are often combined over a housing to maximize size. One-stage Helical gears can be used in bicycles, while a two-stage planetary gear system can handle up to 113,000 N.m. torque.
The design of a helical planetary geartrain is complicated. It must comply with several constraints. These constraints relate to the geometrical relationship of the planetary geartrains. This study of the possible design space of a Helical geartrain uses geometric layouts. The ring gear, sun, and ring gear have no effect on the ratio of the planetary transmission. Nonetheless, helical geartrains are a good choice for many applications.
planetarygearbox

Spur gear planetary gearbox

The combination of planetary gears and spur gears in a transmission system is called a planetary or spur gearbox. Both the planetary gear and spur gear have their own characteristics and are used in various kinds of vehicles. They work in a similar way, but are built differently. Here are some important differences between the two types of gears. Listed below are some of the most important differences between them:
Helical gears: As opposed to spur gears, helical gears generate significant axial forces in the gear mesh. They also feature greater sliding contact at the point of tooth contact. The helix angle of a gearbox is generally in the range of 15 to 30 degrees. The higher the helix angle, the more axial forces will be transmitted. The axial force in a helical gearbox is greater than that of a spur gear, which is the reason why helical gears are more efficient.
As you can see, the planetary gearhead has many variations and applications. However, you should take care in selecting the number of teeth for your planetary gear system. A five:1 spur gear drive ratio, for example, means that the sun gear needs to complete five revolutions for every output carrier revolution. To achieve this, you’ll want to select a sun gear with 24 teeth, or five mm for each revolution. You’ll need to know the metric units of the planetary gearhead for it to be compatible with different types of machines.
Another important feature of a planetary gearbox is that it doesn’t require all of the spur gears to rotate around the axis of the drive shaft. Instead, the spur gears’ internal teeth are fixed and the drive shaft is in the same direction as the output shaft. If you choose a planetary gearbox with fixed internal teeth, you’ll need to make sure that it has enough lubrication.
The other significant difference between a spur gear and a planetary gearbox is the pitch. A planetary gearbox has a high pitch diameter, while a spur gear has low pitch. A spur gear is able to handle higher torques, but isn’t as efficient. In addition, its higher torque capability is a big drawback. Its efficiency is similar to that of a spur gear, but it is much less noisy.
Another difference between planetary and spur gear motors is their cost. Planetary gear motors tend to be more expensive than spur gear motors. But spur gears are cheaper to produce, as the gears themselves are smaller and simpler. However, planetary gear motors are more efficient and powerful. They can handle lower torque applications. But each gear carries a fixed load, limiting their torque. A spur gear motor also has fewer internal frictions, so it is often suited for lower torque applications.
Another difference between spur gears and planetary gears is their orientation. Single spur gears are not coaxial gearboxes, so they’re not coaxial. On the other hand, a planetary gearbox is coaxial, meaning its input shaft is also coaxial. In addition to this, a planetary gearbox is made of two sets of gear wheels with the same orientation. This gives it the ability to achieve concentricity.
Another difference between spur gears and planetary gears is that a planetary gear has an integer number of teeth. This is important because each gear must mesh with a sun gear or a ring gear. Moreover, each planet must have a corresponding number of teeth. For each planet to mesh with the sun, the teeth must have a certain distance apart from the other. The spacing between planets also matters.
Besides the size, the planetary gear system is also known as epicyclic gearing. A planetary gear system has a sun gear in the center, which serves as the input gear. This gear has at least three driven gears. These gears engage with each other from the inside and form an internal spur gear design. These gear sets are highly durable and able to change ratios. If desired, a planetary gear train can be converted to another ratio, thereby enhancing its efficiency.
Another important difference between a spur gear and a planetary gearbox is the type of teeth. A spur gear has teeth that are parallel to the shaft, while a planetary gear has teeth that are angled. This type of gear is most suitable for low-speed applications, where torque is necessary to move the actuation object. Spur gears also produce noise and can damage gear teeth due to repeated collisions. A spur gear can also slip, preventing torque from reaching the actuation object.

China High Torque Low Backlash Transmission NEMA42 Motor Planetary Gearboxes (PRN120-L2)     bicycle planetary gearboxChina High Torque Low Backlash Transmission NEMA42 Motor Planetary Gearboxes (PRN120-L2)     bicycle planetary gearbox
editor by CX 2023-03-31