The naming convention of a DIN 5480 spline follows a distinct structure. For example, a spline designated as denotes:
Primarily flank-centered, but can be tip-centered or root-centered depending on the application. Understanding DIN 5480 Spline Designation
To accurately inspect a spline shaft, one needs the nominal and inspection dimensions provided in and the precise inspection methods described in DIN 5480-15 .
This part acts as the theoretical foundation, detailing the basic principles of spline geometry. It also consolidates fit dimensions, tolerances, and calculation formulas that were previously separate, and these apply to all other parts of the standard. din 5480 spline dimensions pdf verified
Ensure the PDF specifies standard ISO deviation letters (e.g., ) rather than generic manufacturing tolerances.
To verify dimensions in a PDF data sheet or CAD model, you can calculate the fundamental reference geometry of any DIN 5480 spline using these standard formulas: d=m×zd equals m cross z (Where is the module and is the number of teeth) Base Diameter ( ):
: Nominal dimensions and space widths for specific modules. The naming convention of a DIN 5480 spline
DIN 5480−W40×2×18×9HDIN 5480 minus W space 40 cross 2 cross 18 cross 9 cap H
The dimensions specified in DIN 5480 include:
Primarily side-centering (flank-centered), meaning the flanks of the teeth make contact to transmit torque and align the shafts. This part acts as the theoretical foundation, detailing
Whether you are designing a high-torque drivetrain, sourcing a replacement shaft, or searching for a verified , this comprehensive guide breaks down the core geometry, calculation formulas, and standard modules you need to know. What is the DIN 5480 Standard?
Uses the ISO system (e.g., 9g for shafts, 9H for hubs) to control backlash and interference. 2. Core Geometric Formulas
db=d×cos(30∘)=d×0.866025d sub b equals d cross cosine open paren 30 raised to the composed with power close paren equals d cross 0.866025 Centered vs. Diameter Fit
The PDF was a pre-standard draft from 1989, erroneously labeled as DIN 5480. Parts machined using this PDF would fail assembly.
), making them highly adaptable for standardized bearings and reducing manufacturing tool requirements. Key Features of DIN 5480 30∘30 raised to the composed with power Module Range: Number of Teeth: (standardized)