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din9250
Tooth Root Stress Distribution (DIN 9250)
Stress distribution at the tooth root of DIN 9250 serrated lock washers. Shows the notch effect (k_serr factor) amplifying local stress — key input for fatigue life prediction.
Standard Condition Curve
Curve variants across specs × materials. Register to view.
Standard Condition Curve
| Parameter | Value | Unit |
|---|---|---|
| De | 25 | mm |
| Di | 14 | mm |
| h₀ | 0.6 | mm |
| Material | C75S | — |
| t | 1.2 | mm |
| tooth_count | 12 | — |