Internal splines (hubs) are defined by (E). External splines (shafts) are defined by tooth thickness (s). A verification check: For a zero-backlash fit, E_min = s_max.
| Section | Content | Critical for Verification | | :--- | :--- | :--- | | Part 1 (2006) | Basic dimensions, reference diameters | Module series (0.5–10), number of teeth | | Part 2 (2006) | Inspection dimensions | Over-ball diameters (M), form circle diameters | | Part 3 (2006) | Tolerances | Fit classes: H/h, H/k, H/f, etc. | | Annex A | Calculation examples | Verification of formula implementation | | Annex B | Machining data | Hob shift coefficients | din 5480 spline dimensions pdf verified
The hub and shaft align via the flanks of the teeth, allowing minor radial clearance at the tips and roots. Module System: Uses standard metric modules ( Internal splines (hubs) are defined by (E)