Note: For high-precision manufacturing, always verify the exact tolerance classes (such as 7H for internal hubs or 7g for external shafts) specified in the official PDF documentation. DIN 5463 vs. ISO 14: What is the Difference?
6 teeth, 11mm minor diameter, 14mm major diameter.
. However, the critical technical data for the "medium series" (the most common "piece" or specification) is provided below. Technical Specifications (Medium Series) The DIN 5463 standard uses a specific nomenclature: : Number of splines : Minor diameter (inner) : Major diameter (outer) : Spline width Nominal Size ( Number of Splines ( Minor Dia. ( Major Dia. ( Spline Width ( Key Features : This standard focuses on inner centering
For example, a common DIN 5463 spline size might be listed as: 8 x 52 x 60 x 10 (8 splines, 52mm minor dia, 60mm major dia, 10mm spline width) din 5463 pdf
Unlike involute splines, these teeth have straight, parallel sides.
The standard specifies the dimensions and tolerances for metric parallel (straight-sided) spline shaft connections, specifically the medium series . It is one of the most widely used mechanical standards for ensuring reliable torque transmission and precise alignment between shafts and transmission elements like hubs or gears.
Typically broached or slotted to H7 on the minor diameter. Flank Fit (Width 6 teeth, 11mm minor diameter, 14mm major diameter
: Designed specifically for applications requiring high torque transmission where precise radial alignment is necessary, such as drive shafts in machine tool construction.
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For any new engineering project requiring a splined connection, it is to use the current replacement standard, DIN ISO 14, to ensure compliance and access to up-to-date technical specifications. However, for those who need to maintain, repair, or understand legacy systems designed to DIN 5463, the standard remains a valuable reference—its information is still out there, even if it takes a little more effort to find. DIN ISO 14
Generally designed for internal centering. Outside Diameter (d₂): The outer diameter of the splines. Key Width (b): The thickness of the spline key.
These are the adapter components that hold the broach and connect it to the broaching machine’s pulling mechanism. The standard ensures that any broach made to DIN 5463 fits any pulling head made to the same standard.