Disc springs — Part 2: Technical specifications — Amendment 1: Durability chart for not shot peened springs (group 3)

This document addresses the technical specifications for disc springs, specifically focusing on the durability charts for non-shot-peened springs belonging to the third group. It serves as an amendment to the foundational technical requirements outlined in the primary standard concerning disc spring design and selection. The content provides essential data and guidance for engineers and designers regarding the fatigue life and performance reliability of these specific mechanical components under operational stress. By presenting detailed durability charts, it facilitates more accurate predictions of service life for springs that have not undergone shot peening processes, which is a critical factor in determining long-term mechanical integrity. This supplementary document ensures consistency in evaluating non-treated components within industrial applications. It establishes a standardized framework for assessing the endurance limits of such springs, supporting quality control and safety assessments in manufacturing environments. The information contained herein is vital for interpreting test results and validating product performance against established benchmarks for this particular spring category.