Allowable Compressive Stresses for Involute Splines
Material | Hardness | Maximum Allowable Compressive Stress [psi] |
Brinell | Rockwell C | Straight | Crowned |
Steel | 160 - 200 | --- | 1 500 | 6 000 |
Steel | 230 - 260 | --- | 2 000 | 8 000 |
Steel | 302 - 251 | 33 - 38 | 3 000 | 12 000 |
Surface-hardened Steel | --- | 48 - 53 | 4 000 | 16 000 |
Case-hardened Steel | --- | 58 - 63 | 5 000 | 20 000 |