China manufacturer Automatic Sliding Gate Plastic Gear Rack Nylon Gear Rack gear cycle

Product Description

Company Info:

HangZhou CHINAMFG Hardware Products Co., Ltd. is a professional manufacturer of CHINAMFG Hardware since 2571. Our products are mainly used for Sliding Gates, Swing gates, Cantilever Gates, Wooden CHINAMFG & Industrial Doors. Such as sliding gate wheels, nylon rollers, brackets, latches, guide wheels, ground tracks, hinges, door stoppers, etc. We have been working in this industry for more than 10 years. We are growing very fast based on the respect of quality standard, perfect service, fast delivery and continuous innovation. Our products have been covering over 40 countries & area , like Australia, New Zealand, Poland, Hungary, Slovakia, France, UK, Russia, USA, Argentina, India, etc. And always attain good reputation from our customers.

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 lugs ( 2 eyes ), 4 lugs ( 4 eyes ) and 6 lugs ( 6 eyes ),

the quality is reliable,

each piece of nylon gear rack has screws as pictures show below,

warmly welcome to send us inquiry to ask for details. 

 

Code Size Unit Weight  (Kg)
2 Lugs 26H x 12/20W x 333L 0.3
4 Lugs 28H x 12/20W x 1571L 0.9
6 Lugs 28H x 20W x 1571L 1.34

 

 

 

 

 

Other Related Items:

 

 

Application: Motor, Sliding Gate
Hardness: Hardened Tooth Surface
Gear Position: Internal Gear
Material: Steel
Type: Steel Gear Rack
Length: 1m or 2m
Samples:
US$ 10/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 contribute to precise linear motion and positioning?

Plastic gear racks play a vital role in enabling precise linear motion and positioning in various applications. Their unique characteristics and design features contribute to accurate and controlled movement. Here’s a detailed explanation of how plastic gear racks contribute to precise linear motion and positioning:

  • Tooth Engagement: Plastic gear racks have teeth that mesh with mating gears or pinions. The engagement between the teeth of the gear rack and the mating component allows for a positive transfer of motion. The teeth maintain a constant contact area, ensuring precise and consistent movement without slippage or backlash. This tooth engagement mechanism facilitates accurate linear motion and positioning.
  • Tooth Profile: The tooth profile of plastic gear racks is designed to optimize the contact pattern and minimize variations in motion. Various tooth profiles, such as straight or helical, are used depending on the specific application requirements. Helical gear racks, for instance, provide smoother and more uniform contact, reducing noise, and enhancing the accuracy of linear motion. The tooth profile selection is crucial in achieving precise positioning.
  • High Accuracy Manufacturing: Plastic gear racks are manufactured with high precision to ensure dimensional accuracy and consistent tooth geometry. Advanced manufacturing techniques, such as injection molding or precision machining, are employed to achieve tight tolerances and precise tooth profiles. A high level of manufacturing accuracy directly translates into precise linear motion and positioning capabilities of the gear rack.
  • Low Backlash: Backlash refers to the slight clearance or play between the teeth of the gear rack and the mating component. Plastic gear racks are designed to minimize backlash, which is crucial for accurate positioning. By reducing or eliminating backlash, the gear rack can maintain a direct and immediate response to input motion, resulting in precise linear movement without any lag or hysteresis.
  • Stiffness and Rigidity: Plastic gear racks exhibit sufficient stiffness and rigidity to resist deflection and bending during operation. This rigidity ensures that the gear rack maintains its shape and position, even under varying loads or forces. By minimizing any undesired flexing or deformation, the gear rack maintains precise linear motion and positioning, allowing for repeatable and accurate movement.
  • Lubrication and Friction Control: Proper lubrication is essential for achieving precise linear motion and positioning with plastic gear racks. Lubricants reduce friction between the teeth, minimizing wear and ensuring smooth operation. By controlling friction, lubrication helps maintain consistent motion, reduces variations in positioning, and enhances the overall accuracy of the gear rack system.

Plastic gear racks are widely used in applications that require precise linear motion and positioning, such as CNC machines, 3D printers, robotics, and automation systems. Their ability to provide accurate and controlled movement makes them a popular choice in various industries. It’s important to select the appropriate gear rack size, tooth profile, and material based on the specific application requirements to achieve the desired level of precision.

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 is a plastic gear rack, and how is it used in machinery?

A plastic gear rack is a type of gear rack that is made from plastic materials, such as nylon, polyacetal (POM), or polyethylene (PE). It is designed to provide a lightweight, cost-effective, and versatile solution for motion control applications in machinery. Here’s a detailed explanation of what a plastic gear rack is and how it is used in machinery:

A plastic gear rack consists of a linear gear strip with teeth along its length, similar to a traditional gear rack made of metal. However, the use of plastic materials offers several advantages in terms of weight, cost, corrosion resistance, and noise reduction. Plastic gear racks are commonly used in various machinery applications, including:

  • Automation Systems: Plastic gear racks are utilized in automation systems, such as linear actuators or robotic motion control systems. They provide a lightweight and cost-effective solution for converting rotary motion into linear motion or vice versa. By meshing with a pinion gear or a similar mechanism, the gear rack enables precise and controlled linear movement, allowing for tasks such as part feeding, assembly, or material handling in automated machinery.
  • Printing and Packaging Machinery: Plastic gear racks find applications in printing presses and packaging machinery. They are used for linear motion control, such as paper transport, registration, or cutting operations. Plastic gear racks offer advantages such as reduced noise, lightweight construction, and resistance to corrosion from ink or other fluids. Their use in printing and packaging machinery ensures smooth and reliable operation, contributing to efficient production processes.
  • Medical Equipment: Plastic gear racks are commonly employed in medical equipment and devices. They are used in applications such as adjustable hospital beds, dental chairs, or diagnostic equipment. Plastic gear racks provide quiet operation, lightweight design, and resistance to sterilization processes. These features make them suitable for medical equipment where precise linear motion control is required, ensuring patient comfort, ease of use, and accurate positioning.
  • Office Equipment: Plastic gear racks are used in various office equipment, including printers, scanners, or photocopiers. They contribute to the movement of scanning heads, paper feeds, or other components requiring linear motion control. Plastic gear racks offer advantages such as low friction, quiet operation, and cost-effectiveness. Their integration into office equipment ensures reliable performance and accurate document handling.
  • Consumer Electronics: Plastic gear racks are found in consumer electronics devices that involve linear motion control, such as cameras, camcorders, or 3D printers. They enable precise positioning, focusing, or movement of components within these devices. Plastic gear racks provide lightweight and compact solutions, allowing for miniaturization and portability in consumer electronics products.

Plastic gear racks offer a range of benefits in machinery applications, including their lightweight construction, corrosion resistance, cost-effectiveness, and noise reduction. However, it’s important to note that plastic gear racks may have limitations in terms of load capacity, thermal resistance, or durability compared to metal gear racks. Therefore, the selection of a plastic gear rack should consider the specific requirements and operating conditions of the machinery application to ensure optimal performance and longevity.

China manufacturer Automatic Sliding Gate Plastic Gear Rack Nylon Gear Rack gear cycleChina manufacturer Automatic Sliding Gate Plastic Gear Rack Nylon Gear Rack gear cycle
editor by CX 2023-10-11

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