China factory CNC Machined 28mm High Precision Long Life Low Noise Planetary Gearbox for Electric Screwdriver gearbox definition

Product Description

FACTORY OVERVIEW

HangZhou Silent Industry Co.,Ltd has been established since 2006. As the national high-tech enterprise based on a strong & CZPT technical team with more than 60 patents, we can offer you with integrated solutions for precision small module gears, micro precision planetary gearboxes and DC gear motors.

OUR ADVANTAGES
 

We have the most advanced manufacturing and testing equipments, keep expanding the scope of automation in production process and maintain product consistency. And most of our machining equipments are from Hamai in Japan and Affolter in Switzerland,the gear precision can be ISO 6 ,GB5 with good consistency. 

 

Our products are characterized by high precision and high torque, low noise and long service life. All gears of the gearboxes and gearmotors are developed and produced by our own gear department. Also we can develop, design and produce according to the needs of customers. 

 

 

 

OUR CERTIFICATES
 

We are ISO 9001/14001,  ISO 13485 & IATF16949 certificated manufactory; the reliability of our product quality and the stability of our service can be ensured. We consistently focus our attention on the quality management system and use FEMA, PPAP and CPK analysis to improve it. We aim to meet the needs of our clients and market, and maintain high quality at reasonable prices. Best price, on time delivery, and customers’satisfaction have always been our first and foremost priority.

OUR PARTNERS

 

 During the past years, We have always been adhering to the business philosophy of “manufacturing products with heart and serving customers sincerely”. Our clients spreads widely all over the world, and we have established a long-term friendly relations of cooperation with many world-renowned enterprises such as Google, BAYER, Danaher, SIEGENIA, HYDAC, GEZE, Maxon, Minebea, Vogel’s, etc.

 

  

FAQ
 

 

– How do you guarantee the Quality of your products?
We are ISO 9001, 14001 & IATF16949 certificated manufactory and we have the integrated system for quality control. For example, we have IQC (incoming quality control), OQC (out-going quality control), IPQCS (in process quality control section) and FQC (final quality control) to manage each process.

– Do you offer custom-made service and technology support?
YES. We have our own design and development team. We are able to customize on drawings and samples from clients. Each of our engineers has many years of professional experience, we can provide technology support if you need.

– What do I need to offer for getting quotations?
Please offer us 2D or 3D drawings (with material, dimension, tolerance, surface treatment) and all the other related technical requirements including anual quantity, applications or samples, etc.. Then we will quote the best price within 24h.

– How can I know if your product is suitable for me?
Frist, you need to provide us your detailed requirements. The more details you can provide for your inquiry, the more precise solution we’re able to offer for your application. After you confirm the solutions, we will prepare the drawings for your double checking, and proceed with then sample making once we get your final approval. We will make sure each step will accurately and strictly meet your needs.

– How to pay the money?
We accept T/T in advance. Also we have different bank accounts for receiving money, like US dollors or RMB etc.

– How long is your delivery time?
The general delivery date is around 40-60 days, and we can achieve 30 days for delivering if you have special and urgent needs.
 

JOIN US!

We’re looking for business partners all around the world to work and develop together. Our products are widely used in intelligent robots, medical devices, automotive components, smart homes, high-end electric tools, financial equipment, industrial automation etc. Welcome to our company for more discussion. Our strong & CZPT team will make the best effort to fulfill all your requirements with satisfactory consulting, manufacturing and service. To offer our clients the most efficient & economical solution has always been our committed pursuit. 

 

CHOOSE US FOR

Excellent & Reliable Quality

Efficient & Economical Solution

Customer-oriented Service

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Application: Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car, Industrial Automation
Function: Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout: Three-Ring
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Double-Step
Samples:
US$ 10/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

planetary gearbox

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.

planetary gearbox

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.

planetary gearbox

Design Principles and Functions of Planetary Gearboxes

Planetary gearboxes, also known as epicyclic gearboxes, are a type of gearbox that consists of one or more planet gears that revolve around a central sun gear, all contained within an outer ring gear. The design principles and functions of planetary gearboxes are based on this unique arrangement:

  • Sun Gear: The sun gear is positioned at the center and is connected to the input shaft. It transmits power from the input source to the planetary gears.
  • Planet Gears: Planet gears are small gears that rotate around the sun gear. They are typically mounted on a carrier, which is connected to the output shaft. The interaction between the planet gears and the sun gear creates both speed reduction and torque amplification.
  • Ring Gear: The outer ring gear is stationary and surrounds the planet gears. The teeth of the planet gears mesh with the teeth of the ring gear. The ring gear serves as the housing for the planet gears and provides a fixed outer reference point.
  • Function: Planetary gearboxes offer various gear reduction ratios by altering the arrangement of the input, output, and planet gears. Depending on the configuration, the sun gear, planet gears, or ring gear can serve as the input, output, or stationary element. This flexibility allows planetary gearboxes to achieve different torque and speed combinations.
  • Gear Reduction: In a planetary gearbox, the planet gears rotate while also revolving around the sun gear. This double motion creates multiple gear meshing points, distributing the load and enhancing torque transmission. The output shaft, connected to the planet carrier, rotates at a lower speed and higher torque than the input shaft.
  • Torque Amplification: Due to the multiple points of contact between the planet gears and the sun gear, planetary gearboxes can achieve torque amplification. The arrangement of gears allows for load sharing and distribution, leading to efficient torque transmission.
  • Compact Size: The compact design of planetary gearboxes, achieved by stacking the gears concentrically, makes them suitable for applications where space is limited.
  • Multiple Stages: Planetary gearboxes can be designed with multiple stages, where the output of one stage becomes the input of the next. This arrangement allows for high gear reduction ratios while maintaining a compact size.
  • Controlled Motion: By controlling the arrangement of the gears and their rotation, planetary gearboxes can provide different motion outputs, including forward, reverse, and even variable speeds.

Overall, the design principles of planetary gearboxes allow them to provide efficient torque transmission, compact size, high gear reduction, and versatile motion control, making them well-suited for various applications in industries such as automotive, robotics, aerospace, and more.

China factory CNC Machined 28mm High Precision Long Life Low Noise Planetary Gearbox for Electric Screwdriver   gearbox definition		China factory CNC Machined 28mm High Precision Long Life Low Noise Planetary Gearbox for Electric Screwdriver   gearbox definition
editor by CX 2024-04-12