UIC Leaflet No: 812-5 – Chapter 8 – Technical Specifications – Technical specification for the supply of rolled or forged steel wheel centres for tractive and trailing stock – tolerances and surface roughness

1. Technical Specifications:

UIC Leaflet No: 812-5 – Chapter 8 sets out the technical specifications related to the supply of rolled or forged steel wheel centers. It outlines the precise tolerances and surface roughness that must be adhered to during the manufacturing process. These standards ensure the compatibility, safety, and reliability of the wheel centers used in the railway industry.

2. Tolerances:

The leaflet defines strict tolerances for the dimensions of rolled or forged steel wheel centers. These tolerances specify the acceptable limits of variation for critical parameters such as diameter, thickness, width, and flange height. By following these guidelines, manufacturers can achieve consistent and accurate dimensions, ensuring proper fit and function of the wheel centers.

3. Surface Roughness:

Surface roughness plays a vital role in the performance and longevity of wheel centers. UIC Leaflet No: 812-5 – Chapter 8 sets requirements for surface roughness to ensure optimal contact between the wheel center and the wheel tire. The specified values for roughness promote effective traction, reduce wear, and enhance overall operational efficiency.

4. Practical Application:

Professionals in the railway industry should refer to UIC Leaflet No: 812-5 – Chapter 8 when procuring or manufacturing rolled or forged steel wheel centers. Adhering to the technical specifications outlined in the leaflet ensures compliance with industry standards and guarantees the quality and reliability of the components used in tractive and trailing stock.

5. Key Points:

– UIC Leaflet No: 812-5 – Chapter 8 provides technical specifications for rolled or forged steel wheel centers.

– The leaflet defines tolerances for critical dimensions, ensuring proper fit and compatibility.

– Surface roughness requirements are specified to optimize traction and reduce wear.

– Adherence to these guidelines promotes safety, reliability, and operational efficiency in the railway industry.

In summary, UIC Leaflet No: 812-5 – Chapter 8 outlines the technical specifications for rolled or forged steel wheel centers used in tractive and trailing stock. By following these guidelines, professionals in the railway industry can ensure the reliable and safe operation of their rolling stock. For a detailed understanding and implementation of these specifications, refer to the leaflet itself, which is available in PDF format for download.

[PDF Download]Please find the link below to download the UIC Leaflet No: 812-5 – Chapter 8 – Technical Specifications – Technical specification for the supply of rolled or forged steel wheel centres for tractive and trailing stock – tolerances and surface roughness:

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This comprehensive document provides in-depth information on the technical requirements, tolerances, and surface roughness specifications for rolled or forged steel wheel centers. It serves as a valuable resource for engineers and technical personnel involved in the design, manufacturing, and maintenance of tractive and trailing stock in the railway industry.

By understanding and implementing the guidelines outlined in this leaflet, professionals can ensure that the wheel centers meet the necessary dimensional accuracy and surface finish criteria. This, in turn, contributes to the smooth operation, longevity, and safety of the rolling stock.

In conclusion, UIC Leaflet No: 812-5 – Chapter 8 plays a vital role in standardizing the supply of rolled or forged steel wheel centers for tractive and trailing stock. It establishes the necessary tolerances and surface roughness requirements to maintain the quality and reliability of these critical components. For more detailed information and practical implementation, we recommend downloading the PDF version of the leaflet.