for hobbing, but can vary by manufacturing method (e.g., 0.55m for broaching). Profile Shift (
: Ensure it strictly follows the Standard + Type (W/N) + Nominal Diameter + Module + Number of Teeth + Tolerance format. Verify Tip Clearances : The shaft tip diameter ( da1d sub a 1 end-sub ) must never interfere with the hub root diameter ( df2d sub f 2 end-sub
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The tables in DIN 5480-2 list only absolute values for diameters and inspection dimensions to avoid any misunderstanding.
The 2015 edition of DIN 5480-2 is organized by module, with each module section containing a comprehensive table of dimensions for a range of reference diameters and tooth counts. for hobbing, but can vary by manufacturing method (e
In mechanical power transmission, involute splines are critical for high-torque transfer, precise centering, and minimizing angular backlash. Among international standards, the German standard is the global benchmark for metric involute splines based on module sizing.
DIN 5480 splines use a and involute flanks. Key dimensions are calculated using the module ( ) and number of teeth ( Pitch Circle Diameter ( ): Base Circle Diameter ( ): Addendum ( ): Dedendum ( ): Typically This link or copies made by others cannot be deleted
Technical Specifications Guide : A great summary for decoding complex callouts.
Defines the component type. W stands for Welle (Shaft), and N stands for Nabe (Hub/Internal Spline). 120: The Reference Diameter ( ) in millimeters. 3: The Module ( ) of the tooth profile. 38: The Number of Teeth (
Disclaimer: This article is for informational and educational purposes. Always refer to the original Beuth Verlag documents for official manufacturing and certification.
If you are manually checking a PDF table, use these formulas: (for standard series). Pitch Diameter: Base Diameter: Circular Pitch: 📑 Common Spline Dimension Tables