Tasuta inseneritööriist #074
Kiiluava kalkulaator — DIN 6885
Key sizes per DIN 6885 (endine ISO/R 773, withdrawn). Enter võll diameter and torque to find the standard key size and run simplified shear and laager stress checks.
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Nihkepinge kiilus
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Standard Key Sizes (DIN 6885)
Key cross-sections below follow DIN 6885. The corresponding ISO recommendation, ISO/R 773, has been withdrawn and is mentioned here for historical reference only; it listed the same sizes but is no longer a current ISO document.
| Võlli läbimõõt (mm) | Võti l × k (mm) |
|---|---|
| 6–8 | 2×2 |
| 8–10 | 3×3 |
| 10–12 | 4×4 |
| 12–17 | 5×5 |
| 17–22 | 6×6 |
| 22–30 | 8×7 |
| 30–38 | 10×8 |
| 38–44 | 12 × 8 |
| 44–50 | 14×9 |
| 50–58 | 16×10 |
| 58–65 | 18×11 |
| 65–75 | 20×12 |
| 75–85 | 22×14 |
| 85–95 | 25×14 |
Kiilu pikkus = 1–1,5 × võlli läbimõõt. Kontrollige pingekontsentratsioone kiilu soonte nurkades (Kt=1.5–2.5). The shear and laager formulas above are simplified engineering checks assuming uniform stress distribution — they are common design practice, not requirements of any current ISO standard.