China Hot selling Soft Open Plastic Gear for Air Rotary Vibration Damper worm and wheel gear

Product Description

Dobond plastic rotary 2 way damper D57123xx
   

PN Teeth Module Pitch circle diameter Pressure angle Torque
D57123xx 11 0.8 8.8 20° 0.25-2.2N.cm

Rotary Dampers – With Gear control the speed and acceleration of a movement in a travelling body. Simple to install, they can be fitted as part of an assembly. Available in a range of torques and gear profiles.

Function
Bidirectional, by utilize the principle of fluid resistance to reduce the speed of moving parts and create a smooth and soft movement; and applied in different gear and torque device. Torque will be different at different temperature and rotation speed. Customers can mount the damper either bilaterally or with various clips according to specific need.

Application
Widely applied in all kinds of chairs, mirrors, vehicle ashtray, garbage can, toilet cover, furniture drawer, cabinet, sound, cup holder, handle, card box, overhead sunglasses clothes holder, handle, fuel tank cap, storage compartment, roller blind, small-to-midsize boxes, flexible and slidable products. 
Create smooth movement and damping in application, effectively reduce noise and highly upgrade product level.

Who are we

Dobond Holding is located in Building 3,No.50,Cheyang Rd.,Chedun Town, Xihu (West Lake) Dis. District, ZheJiang   and it is a high-tech enterprise, dedicated to the Research, Development and Manufacturer of Dampers, Hinge, Latches and high-end automotive functional parts. The Company has imported advanced production equipment, processing and testing process from Japan. Besides, we have a group of technical and management talents.

Company Name Dobond(ZheJiang ) Precision and Machinery Co.,Ltd
Location Chedun Town, Xihu (West Lake) Dis. ,ZheJiang
   
Capital Stock RMB 10000000
President Richie Xihu (West Lake) Dis.
Year of Establishment 2008
Number of Employees 140
Price Terms EXW,FOB,CFR,CIF and DDU
Payment T/T,L/C and PayPal
Delivery Ship by TNT, UPS, DHL, FedEx, EMS, Air Cargo, and Vessel

What can we do for you

There are 8 departments in Dobond(ZheJiang ) Precision and Machinery Co.,Ltd:Marketing dept.,R&D dept.,Mold dept.,Injection dept.,Assembly dept.,QC dept.,Purchasing dept. and Personnel administration dept.;All raw materials used in the products are RoHs and REACK compliance.and we have passed ISO9001:2008 and IATF16949:2016/ISO9001:2015 international quality system certification. Products are widely used in car ashtrays, cup holders, storage boxes, central armrests, grab handles, sunglass boxes, fuel tank caps and the other auto parts.
 

Main products:
Auto interiors, door latch/lock, rotary damper, push-push latch
CHINAMFG is 1 of the leading enterprise in Chinese Auto parts  industry.

Why trust us

About size and color 
 
 Due to different measuring tools and measuring method,there may be a error of plus or minus 2mm about producs size,the size chart just for you reference.we provide free samples .
 Products are all in real shooting,without any color deviation.
 
Trade Terms  
 
 MOQ: 5000PCS
 Payment: T/T,L/C,Paypal,Western Union
 Production lead time: 7-15 working days
 Sample can be delivered within 3-5 working days
 Shipping port: ZheJiang
 Shipping freight are quoted under customer’s request
 Discounts are provided based on order quantity
 
Why Choose us
 In-house tool manufacture, mold making
 Provide OEM&ODM service
 RoHs Approve
 Plastic processing machines
 Over 15 sets of injection molding machines
 Many set of molds equipments
 Over 200 various types of products
 More than 10 years experiences in manufacturing audio accessories
 Optimization of production processes and material input

Who trust us

We are professional plastic latch and dampers maufacturer and exporter for cars like CHANGAN, GEELY, NIO, Mazda etc. Based on best quality and best price, we have very popular market on US, Japan H.K. etc. Welcome to contact us and looking CHINAMFG to establishing long term business relationship with you. We ensure our quality, absolutely the price according to the quality.

Products

How to find us

 
 
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Part: Dampers
Module: 0.8
Pitch Circle Diameter: 8.8
Pressure Angle: 20°
Torque: 0.25-2.2n.Cm
Molding Type: Plastic Injection
Samples:
US$ 0.5/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

plastic gear

How do plastic gears contribute to reducing noise and vibration?

Plastic gears contribute to reducing noise and vibration in various applications. Here’s a detailed explanation of how they achieve this:

Plastic gears possess inherent properties that help dampen noise and vibration during operation. These properties, combined with specific design considerations, contribute to the reduction of noise and vibration in the following ways:

  • Damping Characteristics: Plastic materials have inherent damping characteristics, meaning they have the ability to absorb and dissipate vibrations. When compared to metal gears, which are stiffer and transmit vibrations more efficiently, plastic gears can effectively reduce the transmission of vibrations through their damping properties.
  • Reduced Resonance: Plastic gears have the ability to attenuate resonant frequencies, which are frequencies at which vibrations can be amplified. By properly designing the tooth profile, gear geometry, and material selection, plastic gears can shift or dampen these resonant frequencies, preventing excessive vibration and noise generation.
  • Tighter Gear Mesh Tolerances: Plastic gears can be manufactured with tighter gear mesh tolerances, which refers to the amount of clearance or backlash between mating gear teeth. Tighter tolerances lead to better gear engagement and reduced impact or vibration during gear meshing, resulting in quieter operation.
  • Surface Finishes: The surface finish of plastic gears can be optimized to reduce friction and noise. Smoother gear surfaces reduce the potential for gear tooth noise and improve the overall meshing characteristics between gears. Proper lubrication or the use of self-lubricating plastic materials can further enhance the noise-reducing properties.
  • Flexibility in Tooth Design: Plastic gears offer greater flexibility in tooth design compared to metal gears. Engineers can optimize the tooth profile and modify the gear geometry to minimize noise and vibration. For example, incorporating modifications such as profile shifting, tip relief, or helical teeth can help reduce gear noise by promoting smoother and more gradual tooth engagements.

By leveraging these characteristics and design considerations, plastic gears can effectively reduce noise and vibration levels in various applications. This makes them particularly suitable for use in noise-sensitive environments, such as consumer electronics, automotive components, or office equipment.

It’s important to note that while plastic gears can contribute to noise and vibration reduction, the specific noise performance also depends on other factors within the overall system, such as gear arrangement, supporting structures, and the presence of other noise sources. Therefore, a holistic approach to noise reduction should be considered when incorporating plastic gears into a design.

plastic gear

What are the factors affecting the durability of plastic gears?

The durability of plastic gears can be influenced by various factors. Here’s a detailed explanation of these factors:

1. Material Selection: The choice of plastic material is a critical factor affecting the durability of plastic gears. Different plastic materials have varying mechanical properties, including strength, stiffness, impact resistance, and wear resistance. Selecting a material with suitable properties for the specific application is essential to ensure long-term durability.

2. Load and Stress: The magnitude and distribution of the applied load significantly impact the durability of plastic gears. Excessive loads or high stress concentrations can lead to deformation, fatigue, or even failure of the gear teeth. Proper consideration of the anticipated loads and stress distribution is crucial during the design phase to ensure that the gears can withstand the expected operating conditions.

3. Operating Speed: The rotational speed at which the plastic gears operate can affect their durability. Higher speeds can generate more heat due to friction, potentially leading to thermal degradation or wear. The material selection and design should account for the anticipated operating speeds to ensure that the gears can withstand the associated stresses and temperature rise without compromising their durability.

4. Lubrication: Proper lubrication is vital for reducing friction, minimizing wear, and enhancing the durability of plastic gears. Insufficient or improper lubrication can result in increased friction, leading to accelerated wear and potential gear failure. The selection of suitable lubricants and appropriate lubrication methods is essential to ensure optimal performance and durability.

5. Environmental Conditions: The environmental conditions in which plastic gears operate can impact their durability. Factors such as temperature extremes, humidity, exposure to chemicals or UV radiation, and presence of abrasive particles can degrade the plastic material over time. It’s important to consider the anticipated environmental conditions and select a plastic material that offers sufficient resistance to these factors.

6. Gear Design: The design of plastic gears can greatly influence their durability. Factors such as tooth profile, gear geometry, clearances, and load distribution should be optimized to minimize stress concentrations, prevent excessive wear, and ensure even load distribution across the gear teeth. Proper design considerations, including appropriate fillets, reinforcements, and tooth profiles, can improve the durability of plastic gears.

7. Manufacturing Quality: The quality of the manufacturing process and the precision of the gear manufacturing can impact its durability. Inadequate manufacturing processes or poor quality control can result in dimensional inaccuracies, surface defects, or material inconsistencies that can compromise the gear’s durability. Ensuring high-quality manufacturing practices and inspections is essential to maintain the durability of plastic gears.

8. Maintenance and Service Life: The maintenance practices and service life of plastic gears can affect their durability. Regular inspection, proper lubrication, and timely replacement of worn or damaged gears can help extend their lifespan. Neglecting maintenance or operating gears beyond their intended service life can lead to accelerated wear and reduced durability.

By considering these factors, such as material selection, load and stress, operating speed, lubrication, environmental conditions, gear design, manufacturing quality, and maintenance practices, it’s possible to optimize the durability of plastic gears and ensure their long-term performance.

plastic gear

Are there different types of plastic materials used for making gears?

Yes, there are different types of plastic materials used for making gears. Here’s a detailed explanation of some commonly used plastic materials in gear manufacturing:

  • Acetal (Polyoxymethylene – POM): Acetal is a popular choice for gear applications due to its excellent strength, dimensional stability, low friction, and wear resistance. It has good machinability and can be easily molded into gears with precise tooth profiles. Acetal gears offer low noise operation and have good resistance to moisture and chemicals. They are commonly used in automotive, consumer electronics, and industrial applications.
  • Polyamide (Nylon): Polyamide or nylon is another widely used plastic material for gears. It offers good mechanical properties, including high strength, toughness, and impact resistance. Nylon gears have low friction characteristics, good wear resistance, and self-lubricating properties. They are commonly used in applications such as automotive components, power tools, and industrial machinery.
  • Polyethylene (PE): Polyethylene is a versatile plastic material that can be used for gear applications. It offers good chemical resistance, low friction, and excellent electrical insulation properties. While polyethylene gears may have lower strength compared to other plastic materials, they are suitable for low-load and low-speed applications, such as in light-duty machinery, toys, and household appliances.
  • Polypropylene (PP): Polypropylene is a lightweight and cost-effective plastic material that finds applications in gear manufacturing. It offers good chemical resistance, low friction, and low moisture absorption. Polypropylene gears are commonly used in various industries, including automotive, consumer electronics, and household appliances.
  • Polycarbonate (PC): Polycarbonate is a durable and impact-resistant plastic material used for gears that require high strength and toughness. It offers excellent dimensional stability, transparency, and good resistance to heat and chemicals. Polycarbonate gears are commonly used in applications such as automotive components, electrical equipment, and machinery.
  • Polyphenylene Sulfide (PPS): Polyphenylene sulfide is a high-performance plastic material known for its excellent mechanical properties, including high strength, stiffness, and heat resistance. PPS gears offer low friction, good wear resistance, and dimensional stability. They are commonly used in demanding applications such as automotive transmissions, industrial machinery, and aerospace equipment.

These are just a few examples of the plastic materials used for making gears. The choice of plastic material depends on the specific requirements of the gear application, including load capacity, operating conditions, temperature range, chemical exposure, and cost considerations. It’s important to select a plastic material that offers the necessary combination of mechanical properties and performance characteristics for optimal gear performance.

China Hot selling Soft Open Plastic Gear for Air Rotary Vibration Damper worm and wheel gearChina Hot selling Soft Open Plastic Gear for Air Rotary Vibration Damper worm and wheel gear
editor by CX 2024-04-09