Geometric stress concentration factor
Bending of stepped shaft
Dimension ratio D/d
1.01
1.02
1.03
1.05
1.07
1.10
1.20
1.50
2.00
3.00
6.00
Dimension ratio r/d
Coefficient A
Coefficient b
Geometric stress concentration Kt
1)
1)
Stress concentration factor Kt for a shaft with a shoulder fillet in bending:
K
t
=A(r/d)^b
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