(Profile Shift Factor): The intentional shift applied to the cutting tool to achieve specific clearance, strength, or backlash characteristics. DIN 5480 Spline Dimension Formula Architecture
Engineers, machinists, and quality inspectors frequently search for a verified to eliminate calculation errors during the design-to-manufacturing handoff. This article breaks down the core geometry, reference diameters, module selections, and fit classes defined by DIN 5480. 1. Understanding DIN 5480 Standards Structure
To ensure you have the and legal document for manufacturing or inspection:
Verify if the table specifies flat root or fillet root (DIN 5480-1 vs DIN 5480-2). Cross-Reference: Compare the "Between Pins" ( Micap M sub i ) or "Over Pins" ( Mecap M sub e din 5480 spline dimensions pdf verified
Preferred modules: 0.5, 0.6, 0.8, 1.0, 1.25, 1.5, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0, 8.0, 10.0
The following are some key dimensions and tolerances specified in DIN 5480:
Here is the reality check most online articles avoid: The 2006 version (DIN 5480-1, 5480-2, 5480-15) is copyrighted by DIN Deutsches Institut für Normung e.V. and distributed by Beuth Verlag. (Profile Shift Factor): The intentional shift applied to
This is the most common shop-floor method to verify tooth thickness and space width.
where z = number of teeth (integer, usually even for internal splines).
pressure angle. These splines are designed based on ( ) that are independent of the module ( and distributed by Beuth Verlag
A typical callout, such as DIN 5480 W 120 x 3 x 38 x 8f , is interpreted as follows: W for Shaft ( Welle ) or N for Hub ( Nabe ). Reference Diameter ( dBd sub cap B ): 120 (the basis for the connection). Module ( ): 3 (the size of the tooth). Number of Teeth ( ): 38 .
Tooth thickness and space width tolerances dictate the clearance, transition, or interference fit. 2. Structural Composition of a DIN 5480 Designation
db=d×cos(30∘)=z×m×0.866025d sub b equals d cross cosine open paren 30 raised to the composed with power close paren equals z cross m cross 0.866025 Major and Minor Diameters
The information provided in this write-up is based on the DIN 5480 standard. For further information and verification, please refer to the official DIN 5480 standard or consult with a qualified engineer or manufacturer. A PDF version of the standard can be obtained from the DIN website or other authorized sources.