Stress Concentration Factors: shaft_keyway_profile_annealed
Stress concentration factors (Kt) for common shaft and plate geometries — stepped shafts, grooves, holes, keyways per Peterson's and Shigley's
| geometry type | r d | Kt bending (dimensionless) | Kt tension (dimensionless) | Kt torsion (dimensionless) | description | notes |
|---|---|---|---|---|---|---|
| shaft_keyway_profile_annealed | 0.02 | 1.6 | 1.6 | 1.3 | End-milled (profile) keyway annealed shaft r/d~0.02 | Kt_tension set equal to Kt_bending (conservative). Kt_torsion stores Kts value. r/d~0.02 typical end-mill cutter. Kt lower bound for ductile steel. |
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plate_hole_center3 rowsshaft_keyway_profile_hardened1 rowshaft_keyway_sled_annealed1 rowshaft_keyway_sled_hardened1 rowshaft_transverse_hole3 rowsshaft_u_groove_Dd1p13 rowsshaft_u_groove_Dd1p53 rowsshaft_u_groove_Dd2p03 rowsstepped_shaft_fillet_Dd1p13 rowsstepped_shaft_fillet_Dd1p53 rowsstepped_shaft_fillet_Dd2p03 rowsstepped_shaft_fillet_Dd3p03 rows