Table 2 Structural parameters of planetary gear set.

From: Research on the contact characteristics of rocker arm gears in shearer under lubrication containing coal powder impurities

Planet gear set number

Parameter

Sun gear

(Z10,Z15)

Planet gear

(Z11Z12Z13,Z16Z17Z18Z19)

Epicyclic gear train

(Z14,Z20)

1

Module(mm)

7

7

7

Number of teeth

21

41

105

Face width(mm)

100

85

87

2

Module(mm)

9

9

9

Number of teeth

26

31

90

Face width(mm)

195

185

172