LFT-G® Long Glass Fiber Reinforced PA6 for Industrial Gears
Precision & Durability: High-Performance PA6 LGF40 for Industrial Gear Applications
Industrial gears are fundamental components in power transmission systems, subjected to high loads, friction, and cyclic stresses. Selecting the right material is critical for ensuring long-term reliability, wear resistance, and efficient operation. LFT-G® PA6 LGF40 emerges as a high-performance material solution for crafting durable and precision industrial gears. By incorporating 40% continuous long glass fibers into a high-quality Polyamide 6 (PA6) matrix, LFT-G® PA6 LGF40 delivers an exceptional combination of very high strength, stiffness, outstanding wear resistance, and excellent fatigue performance. This specialized grade of LFT PA6 LGF40 is expertly formulated to withstand the high tooth loads and continuous operational cycles typical in demanding industrial gear applications. Its enhanced wear properties, often combined with suitable lubrication, significantly extend the lifespan of the gear compared to traditional materials. LFT-G® PA6 LGF40 also offers good dimensional stability under varying temperatures and humidity, crucial for maintaining precise gear mesh and reducing noise. As a lightweight alternative, it can contribute to energy efficiency and reduced inertia in drive systems. The excellent moldability of LFT-G® PA6 LGF40 allows for the creation of complex gear geometries with integrated features, streamlining manufacturing and assembly processes for various plastic gears, nylon gears, and composite gears.
Key Advantages of LFT-G® PA6 LGF40 for Industrial Gears
- Very High Strength and Stiffness: Withstands high tooth loads and torsional stresses, ensuring reliable power transmission.
- Exceptional Wear Resistance: Provides long operational life under sliding and rolling contact conditions typical in gear sets.
- Excellent Fatigue Resistance: Engineered to endure millions of load cycles, guaranteeing long-term durability in dynamic applications.
- Dimensional Stability: Maintains precise gear tooth profile and geometry under varying operating temperatures and moisture levels, crucial for smooth and efficient meshing.
- Lightweighting Potential: Offers significant weight reduction compared to metal gears, reducing inertia and potentially improving system efficiency.
- Reduced Noise and Vibration: Can contribute to quieter operation and reduced vibration transmission compared to metal gears.
- Design Flexibility and Integration: Excellent moldability allows for complex gear designs and the integration of mounting features or other components.
By specifying LFT-G® PA6 LGF40 for your industrial gear components, you are choosing a material that delivers the high mechanical performance, durability, and precision required for demanding power transmission applications. Our specialized LFT PA6 grades offer a compelling lightweight and high-performance alternative for modern industrial gear systems. Explore the possibilities and partner with us to engineer the next generation of precision industrial gears.
For more technical data, please refer to the specification below, or
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LFT-G® PA6 LGF40 Technical Data Sheet for Industrial Gears
This document provides technical data for a 40% Long Glass Fiber reinforced Polyamide 6 (LFT-G® PA6 LGF40) material, specifically engineered for demanding industrial gear applications. This grade is designed to provide the high strength, wear resistance, and dimensional stability required for reliable power transmission components. The data presented here is based on typical values obtained from international material suppliers and standards. Please refer to the specific datasheet of your program for precise LFT material values.
Mechanical Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Tensile Strength | 180-220 | MPa | ISO 527-1 |
| Tensile Modulus | 10000-12000 | MPa | ISO 527-1 |
| Elongation at Break | 2-3 | % | ISO 527-1 |
| Flexural Strength | 270-300 | MPa | ISO 178 |
| Flexural Modulus | 9800-10000 | MPa | ISO 178 |
| Notched Izod Impact Strength (+23°C) | 45-70 | kJ/m² | ISO 180/1A |
| Notched Izod Impact Strength (-30°C) | 43-67 | kJ/m² | ISO 180/1A |
| Fatigue Strength (at 106 cycles) | 50-65 | MPa | Based on Internal Testing |
| Wear Resistance (Coefficient of Friction) | Low (relative) | - | ASTM D1894 / Custom |
Thermal Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Melting Temperature | 230-275 | °C | ISO 11357 |
|
Heat Deflection Temperature (HDT/A, 1.8 MPa) |
200-210 | °C | ISO 75-1 |
| Coefficient of Linear Thermal Expansion | 2-5 | x 10-5/K | ISO 11359 |
Other Properties
| Property | Value | Unit | Test Standard |
|---|---|---|---|
| Density | 1.40-1.45 | g/cm³ | ISO 1183 |
| Flammability (UL 94) | HB, V-2, or V-0 (depending on grade) | - | UL 94 |
| Moisture Absorption (24 hours) | 0.8-1.2 | % | ISO 62 |
| Shrinkage Rate (Mold Shrinkage) | 0.3-0.7 | % | ASTM D-955 |
| Creep Resistance (at specific temp/load) | Excellent | - | ISO 899 |
Chemical Resistance (Typical)
LFT-G® PA6 LGF40 exhibits good to excellent resistance to the following substances relevant to industrial gear environments, often requiring lubrication:
- Lubricating Oils and Greases - Excellent
- Water and Humidity - Good (Note: PA6 absorbs moisture; properties can change)
- Fuels - Good
- Many Cleaning Agents - Good
- Mild Acids and Bases - Good (Concentration and temperature dependent)
Processing Information (Typical)
Recommended processing conditions for LFT-G® PA6 LGF40 for injection molding of industrial gears:
- Melt Temperature: 250-280 °C
- Mold Temperature: 80-120 °C
- Injection Speed: Medium (optimized for fiber length retention, dimensional accuracy, and gear tooth integrity)
- Holding Pressure: Optimized to minimize warpage, ensure precise tooth geometry, and maximize structural integrity
- Drying: **Essential** before processing (typically 80-100 °C for 4-8 hours) due to PA6's hygroscopic nature.
Notes and Supplementary Information:
Data Source: This data is compiled based on typical values for PA6 LGF40 from international material manufacturers and standards. Fatigue and Creep resistance values are typical performance characteristics. Wear resistance is a key property for gear applications, often optimized with specific grades or lubrication. **LFT-G® PA6 LGF40 is specifically engineered to provide the very high strength, stiffness, excellent wear and fatigue resistance, and crucial dimensional stability required for high-performance industrial gear applications. Its ability to withstand significant loads and operational cycles, along with lightweighting potential compared to metal gears, makes it an ideal material for efficient and durable power transmission components. Proper drying is critical for optimal processing and achieving consistent properties, especially dimensional accuracy for precise gear meshing.** Please consult specific industry standards and regulatory compliance documentation relevant to industrial machinery and gear components. For precise and specific data for your program, including detailed wear performance under your specific operating conditions and lubrication, please consult the datasheet provided by your material supplier.
Download Complete LFT Data Sheet PDF
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