Table 2 Parameters of two-stage fixed-axis gear train.

From: Dynamic coupling effects of geometric eccentricity on multi-stage gear transmission via stiffness modulation and error excitation

Gear designation

g1

g2

g3

g4

Number of teeth

25

58

28

60

Module (mm)

2

2

2

2

Pressure angle (°)

20

20

20

20

Mass (kg)

0.221

1.087

0.271

1.164

Equivalent moment of inertia (kg)

0.112

0.272

0.135

0.291

Radial support stiffness (N/m)

1.5 × 108

1.5 × 108

1.5 × 108

1.5 × 108

Equivalent torsional stiffness (N/m)

2.0 × 108

2.0 × 108

2.0 × 108

2.0 × 108

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