BS EN 2122:1996

Overview

BS EN 2122:1996 specifies the requirements for flat washers made from aluminium alloy, which are either anodized or chromated. These washers are primarily used in the aerospace sector, where reliability and performance are critical. The standard ensures that the washers meet specific mechanical and corrosion resistance properties, making them suitable for various applications in aircraft and space vehicle engineering.

Key Requirements

• Material Specifications: The washers must be manufactured from aluminium alloy that complies with the specified grades, ensuring optimal strength and weight characteristics.
• Surface Treatment: Washers must undergo anodizing or chromating processes to enhance corrosion resistance, which is essential for components exposed to harsh environments.
• Dimensional Tolerances: The standard outlines precise dimensional tolerances to ensure compatibility with other components and to maintain structural integrity under load.
• Quality Assurance: Manufacturers are required to implement quality control measures to verify that the washers meet the defined specifications and performance criteria.

Implementation Benefits

Adopting BS EN 2122:1996 provides several practical benefits for manufacturers and engineers in the aerospace industry:

• Enhanced Reliability: By using washers that meet this standard, manufacturers can ensure that their products are reliable and perform consistently under operational stresses.
• Corrosion Resistance: The anodizing and chromating processes specified in the standard significantly improve the lifespan of washers, reducing the risk of failure due to environmental factors.
• Interchangeability: Compliance with this standard ensures that washers are interchangeable with other components designed to the same specifications, facilitating easier repairs and maintenance.
• Streamlined Manufacturing: Adhering to established standards can simplify the manufacturing process, as it provides clear guidelines for material selection and processing.

Compliance Value

Compliance with BS EN 2122:1996 is crucial for organisations operating in the aerospace sector. It not only demonstrates a commitment to quality and safety but also aligns with regulatory requirements set forth by aviation authorities. Key compliance benefits include:

• Regulatory Adherence: Meeting this standard helps manufacturers comply with international aviation regulations, which is essential for certification and market access.
• Risk Mitigation: By ensuring that components meet stringent performance criteria, organisations can reduce the risk of component failure, which can lead to costly recalls or safety incidents.
• Market Confidence: Compliance with recognised standards enhances the credibility of manufacturers, fostering trust among clients and stakeholders in the aerospace industry.

In conclusion, BS EN 2122:1996 provides essential guidelines for the production of flat washers in aluminium alloy, ensuring that they meet the rigorous demands of aircraft and space vehicle engineering. Adhering to this standard not only enhances product reliability but also supports compliance with industry regulations, ultimately contributing to safer and more efficient aerospace operations.