China supplier Stab Resistant Anti Riot Suit Riot Control Gear cycle gear

Product Description

Material : anti flaming 600D polyester cloth, EVA, nylon plastic, aluminum plate
Details  : the material in the chest protector is nylon plastic and aluminum plate , the material in the groin and the  back protector is aluminum plate
Size    : 165-190cm
Weight  : 6.8kg/set
Protection area : >1.08m2
             Chest, abdomen,groin protectors :≥0.26m2
             Back protectors :≥0.14m2
             Upper limbers protectors :≥0.26m2
             Lower limbers protectors :≥0.42m2
Feature  : anti flaming , waterproof , UV resistant ,stab resistant ,anti resistant  
Anti stab performance : Front & back of armor can stand 20J puncture kinetic energy
Anti impact performance : can stand 120J impact kinetic energy
Strike energy absorption performance : the protective coating of front and back bear 100J
                                   kinetic energy impact,the daub creasing <8mm
Anti-flaming performance : Plastic protective pieces is in line with FV-2 level ,
                       oxygen index of CZPT >28%
                       The after flame time less than 10s without fire sources
Acclimatization temperature : -20ºC~+55ºC
Standard               : GA420-2003
Packing  :  51*48*54cm, 1ctn/2sets
Note     : Only 2 minutes to put on   
          Can be ordered as customer’s requirement
 

 

Protection Area: 1.08m2
Suitable for: Solider
Feature: Anti Riot, Anti Flaming
Size: 165-190cm
Weight: 6.5kg/Set
Gender: Unisex
Samples:
US$ 100/Piece
1 Piece(Min.Order)

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Customization:
Available

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plastic gear

What are the benefits of using plastic gears over traditional materials?

Using plastic gears instead of traditional materials offers several benefits. Here’s a detailed explanation of the advantages of using plastic gears:

  • Weight Reduction: Plastic gears are significantly lighter in weight compared to gears made from traditional materials such as metal. This lightweight characteristic is advantageous in applications where weight reduction is important, as it can contribute to energy efficiency, lower inertia, and reduced wear on supporting components.
  • Noise and Vibration Reduction: Plastic gears have inherent damping properties that help reduce noise and vibration levels during operation. This makes them suitable for applications where noise reduction is desired, such as in consumer electronics or office equipment. Metal gears, on the other hand, tend to generate more noise and vibration due to their higher stiffness.
  • Self-Lubrication: Certain plastic materials used in gears have inherent lubricating properties, allowing for self-lubrication between gear teeth. This reduces friction and wear, eliminating the need for external lubrication and simplifying maintenance requirements. Metal gears, on the other hand, typically require lubrication to reduce friction and wear.
  • Corrosion Resistance: Plastic gears can exhibit excellent resistance to corrosion and chemicals, depending on the chosen plastic material. This makes them suitable for applications in corrosive environments where metal gears may suffer from degradation or require additional protective measures.
  • Design Flexibility: Plastic gears offer greater design flexibility compared to metal gears. Plastic materials can be easily molded into complex shapes, allowing for the creation of custom gear profiles and tooth geometries. This design flexibility enables gear optimization for specific applications, improving performance, efficiency, and overall machinery design.
  • Cost-Effectiveness: Plastic gears are often more cost-effective compared to gears made from traditional materials. Plastic materials are generally less expensive than metals, and the manufacturing processes for plastic gears, such as injection molding, can be more efficient and economical for large-scale production.
  • Electrical Insulation: Plastic gears offer electrical insulation properties, which can be advantageous in applications where electrical isolation is required. Metal gears, on the other hand, can conduct electricity and may require additional insulation measures in certain situations.
  • Customization and Color Options: Plastic gears can be easily customized in terms of shape, size, color, and surface finish. This allows for branding, aesthetic preferences, or specific identification requirements in various applications. Metal gears, on the other hand, have more limited options for customization.

These benefits make plastic gears attractive alternatives to traditional materials in many applications. However, it’s important to consider the specific requirements and operating conditions of the application when selecting the appropriate gear material.

plastic gear

How do plastic gears handle lubrication and wear?

Plastic gears handle lubrication and wear differently compared to metal gears. Here’s a detailed explanation of their behavior:

1. Lubrication in Plastic Gears: Lubrication plays a crucial role in the performance and longevity of plastic gears. While metal gears often require continuous lubrication, plastic gears have different lubrication requirements due to their inherent properties. Here are some key considerations:

  • Self-Lubrication: Some plastic materials, such as certain formulations of polyoxymethylene (POM), have inherent self-lubricating properties. These materials have a low coefficient of friction and can operate with minimal lubrication or even dry. Self-lubricating plastic gears can be advantageous in applications where the use of external lubricants is impractical or undesirable.
  • Lubricant Compatibility: When external lubrication is necessary, it’s important to choose lubricants that are compatible with the specific plastic material used in the gears. Certain lubricants may degrade or adversely affect the mechanical properties of certain plastics. Consultation with lubricant manufacturers or experts can help identify suitable lubricants that won’t cause degradation or wear issues.
  • Reduced Lubricant Requirements: Plastic gears generally have lower friction coefficients compared to metal gears. This reduced friction results in lower heat generation and less wear, which in turn reduces the demand for lubrication. Plastic gears may require less frequent lubricant replenishment or lower lubricant volumes, reducing maintenance requirements.
  • Appropriate Lubricant Application: When applying lubricant to plastic gears, care should be taken to avoid excessive amounts that could lead to contamination or leakage. Lubricants should be applied in a controlled manner, ensuring they reach the critical contact points without excessive buildup or excess spreading beyond the gear surfaces.

2. Wear in Plastic Gears: Plastic gears exhibit different wear characteristics compared to metal gears. While metal gears typically experience gradual wear due to surface interactions, plastic gears may undergo different types of wear mechanisms, including:

  • Adhesive Wear: Adhesive wear can occur in plastic gears when high loads or speeds cause localized melting or deformation at the gear teeth contact points. This can result in material transfer between gear surfaces and increased wear. Proper material selection, gear design optimization, and lubrication can help minimize adhesive wear in plastic gears.
  • Abrasive Wear: Abrasive wear in plastic gears can be caused by the presence of abrasive particles or contaminants in the operating environment. These particles can act as abrasive agents, gradually wearing down the gear surfaces. Implementing effective filtration or sealing mechanisms, along with proper maintenance practices, can help reduce abrasive wear in plastic gears.
  • Fatigue Wear: Plastic materials can exhibit fatigue wear under cyclic loading conditions. Repeated stress and deformation cycles can lead to crack initiation and propagation, ultimately resulting in gear failure. Proper gear design, material selection, and avoiding excessive loads or stress concentrations can help mitigate fatigue wear in plastic gears.

3. Gear Material Selection: The choice of plastic material for gears can significantly impact their lubrication and wear characteristics. Different plastic materials have varying coefficients of friction, wear resistance, and compatibility with lubricants. It’s important to select materials that offer suitable lubrication and wear properties for the specific application requirements.

4. Operational Considerations: Proper operating conditions and practices can also contribute to the effective handling of lubrication and wear in plastic gears. Avoiding excessive loads, controlling operating temperatures within the material’s limits, implementing effective maintenance procedures, and monitoring gear performance are essential for ensuring optimal gear operation and minimizing wear.

In summary, plastic gears can handle lubrication and wear differently compared to metal gears. They may exhibit self-lubricating properties, reduced lubricant requirements, and require careful consideration of lubricant compatibility. Plastic gears can experience different types of wear, including adhesive wear, abrasive wear, and fatigue wear. Proper material selection, gear design, lubrication practices, and operational considerations are crucial for ensuring efficient lubrication and minimizing wear in plastic gears.

plastic gear

Can plastic gears replace metal gears in certain applications?

Yes, plastic gears can replace metal gears in certain applications. Here’s a detailed explanation:

Plastic gears offer a range of advantages that make them suitable alternatives to metal gears in specific scenarios. Some of the factors that determine whether plastic gears can replace metal gears include the application requirements, operating conditions, load capacity, and desired performance characteristics.

Advantages of Plastic Gears:

  • Lightweight: Plastic gears are significantly lighter than metal gears, making them suitable for applications where weight reduction is important. This can lead to energy efficiency, reduced inertia, and lower wear on supporting components.
  • Low Noise and Vibration: Plastic gears have inherent damping properties that help reduce noise and vibration levels during operation. This makes them suitable for applications where noise reduction is desired, such as in consumer electronics or office equipment.
  • Corrosion Resistance: Certain plastic materials used in gear manufacturing exhibit excellent resistance to corrosion and chemicals. Plastic gears can be a suitable choice for applications in corrosive environments where metal gears may suffer from degradation.
  • Self-Lubrication: Some plastic materials used for gear manufacturing have self-lubricating properties. This reduces friction and wear between gear teeth, eliminating the need for external lubrication and simplifying maintenance requirements.
  • Cost-Effective: Plastic gears can be more cost-effective compared to metal gears, especially in large-scale production. Plastic materials are often less expensive than metals, and the manufacturing processes for plastic gears can be more efficient.
  • Design Flexibility: Plastic gears offer greater design flexibility compared to metal gears. They can be molded into complex shapes, allowing for custom gear profiles and tooth geometries, resulting in optimized performance and efficiency for specific applications.

Limitations of Plastic Gears:

  • High Torque and Load Capacity: Plastic gears may not have the same torque and load capacity as metal gears. In applications requiring high torque or heavy loads, metal gears may be more suitable due to their higher strength and durability.
  • High Temperatures: Plastic gears have temperature limitations depending on the chosen material. In applications with high operating temperatures, metal gears that can withstand the heat may be necessary.
  • Precision and Positioning: Plastic gears may not offer the same level of precision and positioning accuracy as metal gears. Applications that require tight tolerances and precise gear meshing may still require metal gears.

In summary, plastic gears can replace metal gears in certain applications where their advantages align with the specific requirements and operating conditions. It’s crucial to carefully evaluate the application needs, load capacity, temperature range, and other factors to determine if plastic gears are suitable replacements for metal gears.

China supplier Stab Resistant Anti Riot Suit Riot Control Gear cycle gearChina supplier Stab Resistant Anti Riot Suit Riot Control Gear cycle gear
editor by CX 2023-09-08