A nylon gear rack is a linear component with teeth cut into one surface, designed to mesh with a gear (pinion) to convert rotational motion into linear motion. Made from high-quality nylon materials, these racks offer excellent durability, low noise operation, and resistance to wear and corrosion. They are widely used in automation, robotics, automotive systems, and industrial machinery due to their lightweight nature and cost-effectiveness compared to metal alternatives.
Our nylon gear racks are manufactured to meet strict quality standards, with precise dimensions and consistent performance. Below are the detailed parameters available in our product range.
| Parameter | Value Range | Units |
|---|---|---|
| Module (Pitch) | 0.5 to 4 | mm |
| Length | 100 to 2000 | mm |
| Width | 10 to 50 | mm |
| Height | 10 to 40 | mm |
| Tooth Profile | Straight or Helical | - |
| Material Grade | Nylon 6, Nylon 66, or Glass-Filled Nylon | - |
| Operating Temperature | -40 to 120 | °C |
| Load Capacity | Up to 500 | N |
| Specification | Details |
|---|---|
| Tensile Strength | 70-100 MPa |
| Hardness | Shore D 80-85 |
| Coefficient of Friction | 0.1-0.3 (dynamic) |
| Water Absorption | 1.5-2.5% (saturation) |
| Density | 1.12-1.15 g/cm³ |
Nylon gear racks are versatile and used in various industries. Common applications include:
Choosing nylon gear racks over metal ones offers several benefits:
What is the maximum load a nylon gear rack can handle?
The load capacity depends on the module size and material grade. Standard nylon gear racks can handle up to 500 N, but glass-filled nylon variants may support higher loads. Always refer to the manufacturer's specifications for precise values based on your application.
How does temperature affect nylon gear rack performance?
Nylon gear racks perform well in temperatures from -40°C to 120°C. Outside this range, they may become brittle at low temperatures or lose strength at high temperatures. For extreme conditions, consider alternative materials or protective coatings.
Are nylon gear racks suitable for outdoor use?
Yes, due to their corrosion resistance, nylon gear racks are excellent for outdoor applications. However, prolonged exposure to UV light or extremely harsh weather might degrade the material over time. Using UV-resistant additives or covers can enhance durability.
Can nylon gear racks be customized to specific lengths?
Absolutely. Most manufacturers offer customization options for length, width, module, and tooth profile. Custom lengths beyond standard ranges may require additional machining or splicing techniques.
How do I maintain a nylon gear rack?
Maintenance is minimal due to self-lubricating properties. Regularly clean the rack to remove debris and inspect for wear. Avoid using harsh chemicals that might degrade the nylon. Lubrication is generally not needed but can be applied in high-load scenarios for extended life.
What is the difference between nylon and acetal gear racks?
Nylon gear racks offer higher toughness and impact resistance, while acetal (POM) racks provide lower friction and better dimensional stability. The choice depends on the application: use nylon for durability and acetal for precision and low friction needs.
How accurate are nylon gear racks in terms of positioning?
Nylon gear racks provide good positional accuracy, typically within ±0.1 mm per meter, depending on the manufacturing quality and installation. For high-precision applications, ensure proper alignment with the pinion and use helical teeth for smoother motion.
Can nylon gear racks be used with metal pinions?
Yes, they are commonly paired with metal pinions (e.g., steel or brass) for optimal performance. The combination reduces wear on both components and enhances efficiency. Ensure the pinion material is compatible to avoid excessive wear.
What are the common failure modes for nylon gear racks?
Common failures include tooth wear due to overload, deformation from high temperatures, or cracking from impact. Regular inspection and adhering to load limits can prevent most issues. Replacing racks at the first sign of significant wear is recommended.
Are there food-grade or medical-grade nylon gear racks available?
Yes, food-grade and medical-grade nylon variants are offered, made from materials compliant with FDA or other regulatory standards. These are designed for applications where hygiene and safety are critical, such as in food processing or medical devices.
