fits make: Yamaha.

( Manufacturer Part Number: 90501-231E9 ), ( Part Type: Spring Compression )
The Yamaha 90501-231E is a high-quality compression spring specifically designed for use in various applications, particularly in the piano industry. This spring is manufactured by Yamaha, a renowned name in the music industry, ensuring reliability and precision.
The spring is made of carbon steel wire, which offers excellent strength and durability. The spring's wire diameter is 5.5mm, and it comes in a length of 112mm, with 9 coils. Each coil has a diameter of approximately 26.5mm, and the spring's total free length is around 100mm.
The compression spring's design allows it to effectively store and release potential energy. This makes it an ideal choice for various applications that require components to move back and forth with a certain force. The spring's compression force can be calculated using the following formula: F 0.402 * (D 2 * N / L), where F is the force, D is the wire diameter, N is the number of coils, and L is the free length.
The spring's ends are square-ended, allowing it to be easily compressed between two parallel surfaces. The spring's square ends also ensure a consistent compression force throughout its entire length. Additionally, the spring's ends are deburred, which helps prevent damage to other components during installation and operation.
The Yamaha 90501-231E compression spring is designed to meet ISO 9001 quality standards. This guarantees that each spring undergoes rigorous testing and inspection to ensure it meets the highest quality and performance standards.
In summary, the Yamaha 90501-231E is a high-performance compression spring, specifically designed for use in the piano industry and other applications requiring a reliable and durable spring. Its carbon steel construction, precise dimensions, and consistent compression force make it an excellent choice for various industries and applications.
The Yamaha 90501-231E is a type of compression spring commonly used in various mechanical applications. Here are some potential advantages and disadvantages of purchasing this spring.
Pros:1. Reliability: Yamaha is a well-known brand in the manufacturing industry, providing high-quality products. These compression springs are no exception, ensuring consistent performance and durability.
2. Versatility: The Yamaha 90501-231E compression springs come in various sizes and dimensions, making them suitable for various applications, especially in automotive and industrial machinery.
3. Consistent Compression: These springs provide consistent compression, ensuring that the mechanical system functions correctly and efficiently.
4. Easy Installation: The springs are relatively easy to install, and they come in sets with various numbers of springs, making it convenient for users to replace springs in multiple locations.
5. Cost-Effective: While the price may be slightly higher than some generic alternatives, the reliability and consistency of these springs make them a cost-effective choice in the long run.
Cons:1. Higher Initial Cost: Compared to generic alternatives, the Yamaha 90501-231E compression springs may have a higher initial cost.
2. Limited Availability: These springs may not be readily available in local hardware stores, and users might need to order them online or through specialized distributors.
3. Size Limitations: While Yamaha offers various sizes, there might be specific dimensions not available in their product line, requiring users to look for alternatives.
Conclusion:The Yamaha 90501-231E compression springs offer several advantages, including reliability, versatility, consistent compression, easy installation, and cost-effectiveness in the long run. However, these advantages come with some disadvantages, such as a higher initial cost, limited availability, and size limitations. Ultimately, the decision to purchase these springs depends on the specific application requirements, availability of alternatives, and the importance of consistent performance and reliability.
Recommendation:If the application requires a high degree of consistency, reliability, and performance, and if the required size and dimensions are available in the Yamaha product line, then the Yamaha 90501-231E compression springs are a recommended choice. However, if the budget is tight, or if the required size is not available, users might consider looking for alternative, more cost-effective options.
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It is a New Old Stock NOS part. ITEM LOCATION, AN51.