): The primary scaling factor of the spline. Common modules range from 0.5 to 10 mm. The total count of spline teeth on the circumference. Pressure Angle ( ): Fixed at 30° for all standard DIN 5480 splines. Pitch Diameter (
DIN 5480 - W 120×3×38×8fDIN 5480 - W 120 cross 3 cross 38 cross 8 f Here is how to decode each element of the callout: Description Identifies the governing German standard. W or N W indicates a Shaft ( Welle ); N indicates a Hub ( Nabe ). 120 Reference Diameter ( The nominal diameter of the spline in millimeters. 3 The pitch or size of the teeth ( 38 Number of Teeth ( The total count of teeth on the circumference. 8f or 9H Tolerance Class Letter and number specifying the fit class (e.g., for shaft, 4. Fundamental Formulas for Dimensions
Principles and basic design rules (defines modules, reference diameters, and fit classes).
Chapter 17 Involute Splines According to DIN 5480 and Other Standards
: The Class of Fit . The number (8) is the tolerance class, while the letter (f) is the deviation series. Dimension Calculation Formulas
Unlike other standards that rely on the module or pitch to define sizing, DIN 5480 uses the reference diameter (
Before you open a PDF, you must understand the naming convention. A typical DIN 5480 designation looks like this:
If you have ever searched for "DIN 5480 spline dimensions PDF," you know that interpreting the raw standard tables can be daunting. This article breaks down the essential dimensions, calculations, and notations defined in DIN 5480, helping you select the right spline for your application without getting lost in the data.
Below is a reference snippet showing typical values you would find in a comprehensive DIN 5480 PDF for a spline sequence: Designation Pitch Dia ( Shaft Major ( Hub Minor ( 40 x 2 x 18 45 x 2 x 21 50 x 2 x 24 60 x 2 x 28 7. Quality Inspection: "Between Pins" Measurement
The search for a is a rite of passage for mechanical designers in the automotive, aerospace, and heavy machinery industries. While the full official standard is behind a paywall, the dimension tables are widely published in technical extracts, tooling catalogs, and software outputs.
The DIN 5480 standard is not a single document. It is divided into several parts, each covering a specific aspect of spline design, geometry, and inspection:
The official source for purchasing the full, up-to-date DIN standard documents. 6. Summary of Fits and Tolerances Fit Type: DIN 5480 primarily uses flank centering .
Involute splines are critical mechanical components used to transmit high torque between shafts and bores while maintaining precise coaxial alignment. Among the various international standards governing spline geometry, is one of the most widely adopted frameworks in European and global mechanical engineering.
: The Reference Diameter . This is not the major or minor diameter, but rather the diameter that directly correlates with the matching bearing size. 3 : The Module ( ). This determines the actual size of the spline teeth. 38 : The Number of Teeth ( ).
): The primary scaling factor of the spline. Common modules range from 0.5 to 10 mm. The total count of spline teeth on the circumference. Pressure Angle ( ): Fixed at 30° for all standard DIN 5480 splines. Pitch Diameter (
DIN 5480 - W 120×3×38×8fDIN 5480 - W 120 cross 3 cross 38 cross 8 f Here is how to decode each element of the callout: Description Identifies the governing German standard. W or N W indicates a Shaft ( Welle ); N indicates a Hub ( Nabe ). 120 Reference Diameter ( The nominal diameter of the spline in millimeters. 3 The pitch or size of the teeth ( 38 Number of Teeth ( The total count of teeth on the circumference. 8f or 9H Tolerance Class Letter and number specifying the fit class (e.g., for shaft, 4. Fundamental Formulas for Dimensions
Principles and basic design rules (defines modules, reference diameters, and fit classes).
Chapter 17 Involute Splines According to DIN 5480 and Other Standards din 5480 spline dimensions pdf
: The Class of Fit . The number (8) is the tolerance class, while the letter (f) is the deviation series. Dimension Calculation Formulas
Unlike other standards that rely on the module or pitch to define sizing, DIN 5480 uses the reference diameter (
Before you open a PDF, you must understand the naming convention. A typical DIN 5480 designation looks like this: ): The primary scaling factor of the spline
If you have ever searched for "DIN 5480 spline dimensions PDF," you know that interpreting the raw standard tables can be daunting. This article breaks down the essential dimensions, calculations, and notations defined in DIN 5480, helping you select the right spline for your application without getting lost in the data.
Below is a reference snippet showing typical values you would find in a comprehensive DIN 5480 PDF for a spline sequence: Designation Pitch Dia ( Shaft Major ( Hub Minor ( 40 x 2 x 18 45 x 2 x 21 50 x 2 x 24 60 x 2 x 28 7. Quality Inspection: "Between Pins" Measurement
The search for a is a rite of passage for mechanical designers in the automotive, aerospace, and heavy machinery industries. While the full official standard is behind a paywall, the dimension tables are widely published in technical extracts, tooling catalogs, and software outputs. Pressure Angle ( ): Fixed at 30° for
The DIN 5480 standard is not a single document. It is divided into several parts, each covering a specific aspect of spline design, geometry, and inspection:
The official source for purchasing the full, up-to-date DIN standard documents. 6. Summary of Fits and Tolerances Fit Type: DIN 5480 primarily uses flank centering .
Involute splines are critical mechanical components used to transmit high torque between shafts and bores while maintaining precise coaxial alignment. Among the various international standards governing spline geometry, is one of the most widely adopted frameworks in European and global mechanical engineering.
: The Reference Diameter . This is not the major or minor diameter, but rather the diameter that directly correlates with the matching bearing size. 3 : The Module ( ). This determines the actual size of the spline teeth. 38 : The Number of Teeth ( ).