Research Article

Effect of Tooth Profile Modification on Dynamic Tooth Load of Planetary Gear Train

Table 1

Basic parameters of the example PGT.

ParameterSymbol and value

Number of teethzs = 32, zp = 22, zr = 76
Module (mm)m = 4
Pressure angle (°)αs = αr = 25
Face width (mm)Ls = Lp = Lr = 40
Young’s modulus (GPa)E = 210
Poisson’s ratio
Translational bearing stiffness (kN/mm)ksx = ksy = 100, krx = kry = 100, kcx = kcy = 100, kpn = 100
Rotational reaction stiffness (kNm/mrad)kru = 1000, ksu = kcu = 0