Table 7 Gear geometry parameters.

From: Sensitivity analysis and compensation for tooth surface deviation of spiral bevel gear machine tool

Type of parameters

numerical value

Tooth number (Z1)

18

Module of large end (mt /mm)

4.29

Gear width (wb /mm)

45

Handed

left

Mean spiral angle (β /°)

35

Addendum (ha /mm)

8.78

Tooth dedendum (hf /mm)

5.03

Pitch angle (γ1 /°)

27.21

Face angle (γp /°)

31.65

Root angle (γf /°)

25.36

Outer cone distance (Lo/mm)

140.9