Stanyl in the Use of Gears, Bearings and Bearing Housings
Source: China Bearing Network | Time: 2013-09-10
Stanyl is a high-performance engineering thermoplastic known for its exceptional crystallinity and outstanding mechanical properties. It's widely used in applications where durability and performance under stress are crucial, such as gears, bearings, and bearing housings. Stanyl offers superior fatigue resistance compared to other materials like PPA, PPS, and PA66, making it ideal for components that experience repetitive motion or load. One of the key advantages of Stanyl is its excellent wear resistance. When compared to materials like PA66 and POM, Stanyl shows significantly better performance, especially under high pressure or high-speed conditions. This is largely due to its higher PV (pressure-velocity) rating, which allows it to handle more demanding environments without compromising performance. Modified versions of Stanyl—both non-reinforced and glass fiber-reinforced—offer even better wear resistance. The material also has self-lubricating properties, which make it an excellent choice for sliding parts such as guide rods, zippers, and thrust washers. Additionally, Stanyl maintains its strength and hardness at high temperatures, further enhancing its suitability for these applications. In gear applications, Stanyl PA46 stands out due to its high resistance, excellent fatigue resistance, good wear resistance, and strong tooth structure. As operating temperatures increase, the importance of Stanyl’s strength becomes even more evident. Its high hardness, combined with excellent fatigue and impact resistance, allows engineers to replace traditional metal gears with Stanyl, resulting in smoother operation and reduced noise. In many cases, using Stanyl can also lower overall production costs while maintaining high performance. For bearings and bearing housings, Stanyl provides several functional benefits that help improve both performance and cost efficiency. These include: - High hardness and creep resistance at elevated temperatures - Excellent chemical resistance, especially when exposed to lubricants like ATF, TAF, and EP oils - Outstanding fatigue strength - High PV (pressure-velocity) rating and wear resistance Because Stanyl retains its mechanical properties in harsh environments, it is well-suited for bearings that operate under high pressure, high temperature, or long service life requirements. A simple test demonstrates Stanyl’s superior performance in bearing sleeves. Two sleeves—one made from PA66 and the other from Stanyl (both reinforced with 25% glass fiber)—were placed in an oil tank and subjected to high temperatures. While the PA66 sleeve deformed and lost dimensional stability, the Stanyl sleeve maintained its shape and function. Stanyl continues to be a preferred material in industrial applications due to its balance of strength, durability, and cost-effectiveness. Whether used in gears, bearings, or housing components, it delivers reliable performance in challenging environments. Previous: The Importance of Smoothness in NTN Bearings
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