Din 5480 Pdf !!install!! May 2026
DIN 5480 is a prominent German engineering standard that specifies the geometry and dimensions for involute splined joints. Unlike some other spline standards, it is based on reference diameters that are independent of the module, allowing for easier integration with standardized ball or roller bearings. Key Characteristics of DIN 5480 Pressure Angle: Standardized at 30°.
Official standards are protected intellectual property. DIN (the organization) invests millions in research, committee meetings, and validation. Therefore, the official PDF is a paid product. Din 5480 Pdf
Have a specific question about a DIN 5480 callout on your drawing? Leave a comment or contact a certified gear metrology lab. DIN 5480 is a prominent German engineering standard
z= number of teethm= module
Profile Shifts: A crucial technique highlighted in the standard to achieve exact reference diameters and increase load capacity. z = number of teeth m = module
| Teeth (z) | Reference Diameter (d(_B)) | Major Diameter ext. (d(_ae)) | Minor Diameter int. (d(_ii)) | Root diameter ext. (d(_fe)) | |-----------|----------------|-----------------------------|-----------------------------|----------------------------| | 21 | 42.0 mm | 46.000 mm | 38.000 mm | 36.800 mm | | 24 | 48.0 mm | 52.000 mm | 44.000 mm | 42.800 mm | | 30 | 60.0 mm | 64.000 mm | 56.000 mm | 54.800 mm |
, meaning the flanks transmit torque and center the shaft and hub. Module Range: Typically covers modules from with 6 to 82 teeth. Fit System: Uses a combination of a Tolerance Class (e.g., 5 to 12) and a Deviation Series (letters). External Splines (Shaft): Lower case letters (e.g., for slip fits, for line-on-line). Internal Splines (Hub): Upper case letters (e.g., for slip fits, for standard line-on-line). ANSI Webstore Understanding the PDF Structure