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Table 1 Essential parameters of cycloid ball planetary transmission

From: Dynamic modelling and natural characteristic analysis of cycloid ball transmission using lumped stiffness method

Essential parameter

Input shaft

Centre disc

Planetary disc

End cover disc

Number of teeth Z

 

38

40

 

Mass/kg

0.854

0.924

2.185

1.447

Moment of inertia J i/(kg m2)

2.69 × 10−4

6.69 × 10−3

1.44 × 10−2

1.19 × 10−2

Pitch radius r i/m

2.5 × 10−3

4.75 × 10−2

5 × 10−2

5 × 10−2

Radial stiffness k ix/(N m−1)

5.85 × 108

5.85 × 108

5.85 × 108

 

Torsional stiffness k iu/(N m−1)

0

0

 

1 × 109