Helix angle

β [˚]

Overlap contact ratio ε_β [-]

Total contact ratio ε_γ [-]

Tooth bending stress

σ_F [N/mm²]

Tooth contact stress

σ_H [N/mm²]

22

1.01

2.52

365

1265

24

1.10

2.60

340

1241

26

1.19

2.67

314

1215

28

1.27

2.74

287

1188

30

1.35

2.81

260

1159

32

1.43

2.88

233

1128