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.
DIN 5480 outlines two primary methods for centering the shaft and hub connection: 1. Flank Centering (Side-Fit) This is the standard default choice for DIN 5480.
Root Diameter (df1)=m×(z−1.2)Root Diameter open paren d sub f 1 end-sub close paren equals m cross open paren z minus 1.2 close paren din 5480 spline dimensions pdf verified
If your engineering work requires compliance (e.g., automotive, aerospace, defense), a scraped PDF from a Chinese forum is unacceptable. Here is the verified process:
Most "free" PDFs floating on forum sites are: The information provided in this write-up is based
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.
The following table highlights common, standardized parameters found in verified DIN 5480-1 documentation. Table 1: Common DIN 5480 Dimensions (Sample) Ref Diameter ( Number of Teeth ( Pitch Circle ( Tip Diameter ( Root Diameter ( 15 20 30 40 60 100 120 Essential DIN 5480 Formulas DIN 5480 outlines two primary methods for centering
When a verified PDF datasheet is not immediately available on your shop floor, you can accurately calculate the theoretical dimensions of any DIN 5480 spline using the standard geometric formulas listed below. 1. Reference Diameter ( dB=m×zd cap B equals m cross z 2. External Spline (Shaft) Dimensions
The PDF must clearly distinguish:
Standard 30° pressure angle hobs are required. Ensure your tooling matches the specific module listed in your document.
Examine your PDF. A verified document from Beuth will have: