Product Description

Product Description

Nylon Gear Rack 
made of nylon and has steel bar inside,used for sliding gate. 
It normally works with Gate Motor.
We have 2 Eyes Light, 2 Eyes Heavy,4 Eyes Light and 6 Eyes Heavy.
Each piece of nylon gear rack has screws as pictures show below,
Our products are exported to Southeast Asia, Europe, South America, etc. Reliable quality
You are warmly welcome to send us an inquiry for detailed information.

 

Product Name Specification Modulus Material
Nylon Rack 2 Eyes Light M4 PA66
Nylon Rack 2 Eyes Heavy M4 PA66
Nylon Rack 4 Eyes Light M4 PA66
Nylon Rack 6 Eyes Heavy M4 PA66
Iron Rack 8*30*1005 M4 Q235
Iron Rack 8*30*1998 M4 Q235
Iron Rack 9*30*1005 M4 Q235
Iron Rack 10*30*1005 M4 Q235
Iron Rack 10*30*1998 M4 Q235
Iron Rack 11*30*1005 M4 Q235
Iron Rack 11*30*1998 M4 Q235
Iron Rack 12*30*1005 M4 Q235
Iron Rack 12*30*1998 M4 Q235
Iron Rack 22*22*1005 M4 Q235
Iron Rack 22*22*1998 M4 Q235
Iron Rack 30*30*998 M6 Q235
Iron Rack 30*30*1998 M6 Q235

Company Profile

Main Products

Production Process

 

Packaging & Shipping

 

FAQ

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Modulus: M4
Delivery: 2~7 Days for Stock, 15~45 Days for Without Stock
Feature: Oil-Resistant, Corrosion-Resistant, Heat-Resistant
Color: Black
Customization: Customizable
Standard: International Standard
Samples:
US$ 0/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

plastic gear rack

How do plastic gear racks handle different load capacities and forces?

Plastic gear racks are designed to handle different load capacities and forces, and their performance is influenced by several factors. Here’s a detailed explanation of how plastic gear racks handle varying load capacities and forces:

  • Material Selection: The choice of plastic material is crucial in determining the load capacity and force handling capabilities of gear racks. Different plastics offer varying levels of strength, stiffness, and toughness. Plastics like nylon and polyacetal (POM) are commonly used for gear rack manufacturing due to their high strength and durability. These materials can handle substantial loads and forces without deformation or failure. The specific plastic material should be selected based on the anticipated load requirements and the desired mechanical properties.
  • Design Considerations: The design of plastic gear racks plays a crucial role in their ability to handle different loads and forces. Factors such as the tooth profile, module, pitch, and width of the gear rack are important considerations. A well-designed gear rack will distribute the load evenly across the teeth, minimizing stress concentrations and enhancing the load-carrying capacity. Additionally, optimizing the gear rack’s dimensions and geometry can help improve its resistance to bending, shearing, and other forces.
  • Tooth Geometry and Profile: The tooth geometry and profile of plastic gear racks have a significant impact on their ability to handle loads and forces. Different tooth profiles, such as straight or helical, affect the contact area and distribution of forces along the gear rack. Helical gear racks, for example, offer increased tooth engagement and a higher load capacity compared to straight gear racks. The selection of the appropriate tooth profile depends on factors such as the magnitude and direction of the forces, desired load distribution, and noise considerations.
  • Lubrication and Wear: Proper lubrication is essential for plastic gear racks to handle loads and forces effectively. While certain plastics, such as nylon and polyacetal (POM), exhibit self-lubricating properties, additional lubrication may be required in high-load or high-speed applications to reduce friction and wear. Lubrication helps minimize the heat generated due to friction, reduces surface wear, and improves the overall efficiency and lifespan of the gear rack. The choice of appropriate lubricants and maintenance practices is crucial to ensuring optimal performance.
  • Operating Conditions: The operating conditions, including the speed, temperature, and environment, can affect the load capacity and force handling capabilities of plastic gear racks. Elevated temperatures can reduce the strength and dimensional stability of certain plastics, potentially affecting their load-carrying capacity. Similarly, high-speed applications may require additional considerations for heat dissipation and dynamic forces. Understanding the specific operating conditions and selecting a plastic material that can withstand them is vital for ensuring the gear rack’s performance.

It’s important to note that the load capacity and force handling capabilities of plastic gear racks have limits. Exceeding these limits can lead to premature wear, deformation, or failure. It is recommended to consult the manufacturer’s guidelines, consider the application requirements, and perform appropriate calculations or simulations to determine the suitability of a plastic gear rack for a specific load or force scenario.

plastic gear rack

How do plastic gear racks handle variations in temperature and humidity?

Plastic gear racks are designed to handle variations in temperature and humidity, offering certain advantages compared to metal gear racks in such conditions. Here’s a detailed explanation of how plastic gear racks handle these variations:

  • Temperature Resistance: Plastic gear racks are available in materials that exhibit good temperature resistance. They can withstand a wide range of temperatures, both high and low, without significant deformation or degradation. Different plastic materials have different temperature limits, so it’s important to select a material that suits the intended operating temperature range. For example, engineering plastics like nylon or acetal can maintain their mechanical properties across a wide temperature range, making them suitable for various applications.
  • Thermal Expansion: Plastic gear racks have a lower coefficient of thermal expansion compared to metals. This means they expand or contract less with temperature changes. The low thermal expansion coefficient helps minimize dimensional changes and ensures the gear rack retains its shape and tooth profile, maintaining the overall accuracy and performance. It’s important to consider the thermal expansion characteristics of the specific plastic material used in the gear rack design to account for any potential dimensional changes during temperature variations.
  • Humidity Resistance: Plastic gear racks are generally resistant to humidity and moisture. Unlike metals, plastic materials do not rust or corrode when exposed to water or high humidity environments. This resistance to moisture makes plastic gear racks suitable for applications where there is a risk of exposure to moisture, such as outdoor equipment or machinery used in humid environments. However, it’s important to consider the specific plastic material’s moisture absorption properties and select a material that has low moisture absorption rates to maintain dimensional stability and prevent any negative effects on performance.
  • Sealing and Protective Measures: In applications where plastic gear racks are exposed to extreme temperature or high humidity conditions, additional sealing or protective measures may be necessary. This can include using gaskets, seals, or enclosures to ensure that the gear rack remains protected from direct contact with moisture or temperature fluctuations. Sealing measures can help maintain the gear rack’s performance and extend its lifespan in challenging environmental conditions.
  • Material Selection: The choice of plastic material for the gear rack is crucial in determining its ability to handle temperature and humidity variations. Different plastic materials have different properties, including temperature and moisture resistance. It’s important to select a plastic material that is specifically formulated or engineered to withstand the anticipated temperature and humidity conditions in the application. Consulting with material suppliers or manufacturers can provide guidance in selecting the most suitable plastic material for the desired operating conditions.

While plastic gear racks offer advantages in handling temperature and humidity variations, it’s important to assess the specific requirements of the application and select the appropriate plastic material and design considerations accordingly. Regular inspection and maintenance should also be performed to ensure the gear rack’s performance is not compromised by any environmental factors.

plastic gear rack

What are the key characteristics and advantages of plastic gear racks?

A plastic gear rack possesses several key characteristics and offers distinct advantages compared to other types of gear racks. Here’s a detailed explanation of the key characteristics and advantages of plastic gear racks:

  • Lightweight: One of the primary characteristics of plastic gear racks is their lightweight nature. Plastic materials, such as nylon or polyacetal (POM), have a lower density compared to metals like steel or brass. This lightweight property makes plastic gear racks suitable for applications where weight reduction is desired, such as in portable devices or machinery where minimizing mass is important.
  • Cost-effective: Plastic gear racks are generally more cost-effective compared to their metal counterparts. The manufacturing processes involved in producing plastic gear racks, such as injection molding or extrusion, are often more efficient and economical than the metalworking processes used for metal gear racks. This cost advantage makes plastic gear racks a desirable option for applications where budget constraints are a consideration.
  • Corrosion Resistance: Plastic gear racks offer excellent resistance to corrosion. Unlike metal gear racks that may require additional coatings or treatments to protect against rust or corrosion, plastic gear racks are inherently resistant to these issues. Plastic materials do not rust or corrode, making them suitable for applications where exposure to moisture, chemicals, or other corrosive substances is a concern.
  • Noise and Vibration Dampening: Plastic gear racks exhibit good noise and vibration dampening properties. Plastic materials, such as nylon or POM, have inherent damping characteristics that help reduce noise and vibration during gear operation. This makes plastic gear racks ideal for applications where noise reduction is important or where smooth and quiet operation is desired.
  • Self-Lubricating: Some types of plastic gear racks, particularly those made from self-lubricating materials like nylon, have the advantage of requiring minimal or no additional lubrication. The low friction properties of these materials allow for smooth and efficient gear operation without the need for frequent lubrication maintenance. This can result in reduced maintenance requirements and improved operational efficiency.
  • Design Flexibility: Plastic gear racks offer design flexibility due to the ease of molding or shaping plastic materials. They can be manufactured in various sizes, shapes, and configurations to meet specific application requirements. Plastic gear racks can be easily customized to incorporate features such as mounting holes, slots, or other design elements, allowing for easier integration into the overall machinery or system design.

It’s important to note that while plastic gear racks offer several advantages, they may have limitations in terms of load capacity, wear resistance, or durability when compared to metal gear racks. The selection of a plastic gear rack should consider the specific application requirements and operating conditions to ensure optimal performance and longevity.

China wholesaler 2 Eyes Heavy Plastic Sliding Gate Gear Rack with Hot sellingChina wholesaler 2 Eyes Heavy Plastic Sliding Gate Gear Rack with Hot selling
editor by Dream 2024-05-07