China factory Aluminum Material Helical Gear Parts Transmission Planetary Reducer Gearbox components of gearbox

Product Description

Aluminum Material Helical Gear Parts Transmission Planetary Reducer Gearbox

Nickel chromium molybdenum alloy steel gear is manufactured with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear precision and low noise operation.Internal gear bore uses needle roller to obtain higher abrasion resistance and strength.

Product Description

Products fearures:
1. The spiral bevel gear reversing mechanism realizes right angle steering output
2. The installation distance of spiral bevel gear pair can be adjusted, and the working sound is lower
3. The grinding bevel gear pair can be selected, and the working sound is more stable and quiet
4. Integrated design, high precision and high rigidity
5. The double support cage planet carrier structure has high reliability and is suitable for high-speed and frequent CZPT and reverse rotation
6. Compared with the corresponding square fuselage series, it has the same performance and higher cost performance
7. Coupling meter, more connection options, keyway can be opened
8. Helical gear transmission, low return clearance and more accurate positioning
9.Size range:140-180 mm
10.Ratio range:3-100
11.Precision range:3-5arcmin (P1); 5-8arcmin (P2)

Product Parameters

Specifications | PAR140 | PAR180
Technal Parameters
Max. Torque | Nm | 1.5times rated torque
Emergency Stop Torque | Nm | 2.5times rated torque
Max. Radial Load | N | 9400 | 14500
Max. Axial Load | N | 4700 | 7250
Torsional Rigidity | Nm/arcmin | 47 | 130
Max.Input Speed | rpm | 6000 | 6000
Rated Input Speed | rpm | 3000 | 3000
Noise | dB | ≤68 | ≤68
Average Life Time | h | 20000
Efficiency Of Full Load | % | L1≥95%       L2≥90%
Return Backlash | P1 | L1 | arcmin | ≤5 | ≤5
L2 | arcmin | ≤7 | ≤7
P2 | L1 | arcmin | ≤8 | ≤8
L2 | arcmin | ≤10 | ≤10
Moment Of Inertia Table | L1 | 3 | Kg*cm2 | 23.5 | 69.2
4 | Kg*cm2 | 21.5 | 68.6
5 | Kg*cm2 | 21.5 | 68.6
7 | Kg*cm2 | 21.5 | 68.6
8 | Kg*cm2 | 20.5 | /
10 | Kg*cm2 | 20.1 | 66.2
14 | Kg*cm2 | / | 68.6
20 | Kg*cm2 | / | 68.6
L2 | 25 | Kg*cm2 | 6.88 | 23.8
30 | Kg*cm2 | 7.1 | 22.2
35 | Kg*cm2 | 6.88 | 22.2
40 | Kg*cm2 | 6.88 | 22.2
50 | Kg*cm2 | 6.88 | 22.2
70 | Kg*cm2 | 6.88 | 22.2
100 | Kg*cm2 | 6.34 | 21.6
Technical Parameter | Level | Ratio | | PAR140 | PAR180
Rated Torque | L1 | 3 | Nm | 360 | 880
4 | Nm | 480 | 1100
5 | Nm | 480 | 1100
7 | Nm | 480 | 1100
8 | Nm | 440 | /
10 | Nm | 360 | 1100
L2 | 14 | Nm | / | 1100
20 | Nm | / | 1100
25 | Nm | 480 | 1100
30 | Nm | 360 | 880
35 | Nm | 480 | 1100
40 | Nm | 480 | 1100
50 | Nm | 480 | 1100
70 | Nm | 480 | 1100
100 | Nm | 360 | 1100
Degree Of Protection | | IP65
Operation Temprature | ºC | – 10ºC to -90ºC
Weight | L1 | kg | 20.8 | 41.9
L2 | kg | 26.5 | 54.8

Company Profile

Packaging & Shipping

1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT

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

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

Samples:

US$ 1215/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:

Available

|

Customized Request

Impact of Gear Tooth Design and Profile on the Efficiency of Planetary Gearboxes

The design and profile of gear teeth have a significant impact on the efficiency of planetary gearboxes:

Tooth Profile: The tooth profile, such as involute, cycloid, or modified profiles, affects the contact pattern and load distribution between gear teeth. An optimized profile minimizes stress concentration and ensures smooth meshing, contributing to higher efficiency.

Tooth Shape: The shape of gear teeth influences the amount of sliding and rolling motion during meshing. Gear teeth designed for more rolling and less sliding motion reduce friction and wear, enhancing overall efficiency.

Pressure Angle: The pressure angle at which gear teeth engage affects the force distribution and efficiency. Larger pressure angles can lead to higher efficiency due to improved load sharing, but they may require more space.

Tooth Thickness and Width: Optimized tooth thickness and width contribute to distributing the load more evenly across the gear face. Proper sizing reduces stress and increases efficiency.

Backlash: Backlash, the gap between meshing gear teeth, impacts efficiency by causing vibrations and energy losses. Properly controlled backlash minimizes these effects and improves efficiency.

Tooth Surface Finish: Smoother tooth surfaces reduce friction and wear. Proper surface finish, achieved through grinding or honing, enhances efficiency by reducing energy losses due to friction.

Material Selection: The choice of gear material influences wear, heat generation, and overall efficiency. Materials with good wear resistance and low friction coefficients contribute to higher efficiency.

Profile Modification: Profile modifications, such as tip and root relief, optimize tooth contact and reduce interference. These modifications minimize friction and increase efficiency.

In summary, the design and profile of gear teeth play a crucial role in determining the efficiency of planetary gearboxes. Optimal tooth profiles, shapes, pressure angles, thicknesses, widths, surface finishes, and material selections all contribute to reducing friction, wear, and energy losses, resulting in improved overall efficiency.

Considerations for Selecting Size and Gear Materials in Planetary Gearboxes

Choosing the appropriate size and gear materials for a planetary gearbox is crucial for optimal performance and reliability. Here are the key considerations:

1. Load and Torque Requirements: Evaluate the anticipated load and torque that the gearbox will experience in the application. Select a gearbox size that can handle the maximum load without exceeding its capacity, ensuring reliable and durable operation.

2. Gear Ratio: Determine the required gear ratio to achieve the desired output speed and torque. Different gear ratios are achieved by varying the number of teeth on the gears. Select a gearbox with a suitable gear ratio for your application’s requirements.

3. Efficiency: Consider the efficiency of the gearbox, which is influenced by factors such as gear meshing, bearing losses, and lubrication. A higher efficiency gearbox minimizes energy losses and improves overall system performance.

4. Space Constraints: Evaluate the available space for installing the gearbox. Planetary gearboxes offer compact designs, but it’s essential to ensure that the selected size fits within the available area, especially in applications with limited space.

5. Material Selection: Choose suitable gear materials based on factors like load, speed, and operating conditions. High-quality materials, such as hardened steel or specialized alloys, enhance gear strength, durability, and resistance to wear and fatigue.

6. Lubrication: Proper lubrication is critical for reducing friction and wear in the gearbox. Consider the lubrication requirements of the selected gear materials and ensure the gearbox is designed for efficient lubricant distribution and maintenance.

7. Environmental Conditions: Assess the environmental conditions in which the gearbox will operate. Factors such as temperature, humidity, and exposure to contaminants can impact gear material performance. Choose materials that can withstand the operating environment.

8. Noise and Vibration: Gear material selection can influence noise and vibration levels. Some materials are more adept at dampening vibrations and reducing noise, which is essential for applications where quiet operation is crucial.

9. Cost: Consider the budget for the gearbox and balance the cost of materials, manufacturing, and performance requirements. While high-quality materials may increase initial costs, they can lead to longer gearbox lifespan and reduced maintenance expenses.

10. Manufacturer’s Recommendations: Consult with gearbox manufacturers or experts for guidance on selecting the appropriate size and gear materials. They can provide insights based on their experience and knowledge of various applications.

Ultimately, the proper selection of size and gear materials is vital for achieving reliable, efficient, and long-lasting performance in planetary gearboxes. Taking into account load, gear ratio, materials, lubrication, and other factors ensures the gearbox meets the specific needs of the application.

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.

editor by CX 2024-05-16