In the world of mechanical engineering and drive technology, the transfer of torque between a shaft and a hub is a fundamental challenge. While keyways and serrations are common solutions, splined shafts offer a superior balance of strength, centering accuracy, and fatigue resistance. Among the various spline standards, DIN 5482 occupies a unique and historically significant niche.
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| Feature | DIN 5482 (Old) | DIN 5480 / ISO 4156 (New) | | :--- | :--- | :--- | | | Unique 30° profile with specific root fillets | Harmonized with ISO 4156 (30°, 37.5°, 45°) | | Module Series | Light and Medium series only | Full range including heavy series | | Tolerance System | Limited, industry-specific classes | Comprehensive, ISO-aligned classes | | Availability | Withdrawn (must buy archival PDF) | Active standard | In the world of mechanical engineering and drive