From: Oil Film Stiffness of Double Involute Gears Based on Thermal EHL Theory
Parameter | Value |
---|---|
Number of teeth | 23/32 |
Normal modulus mn (mm) | 3 |
Normal pressure angle αn (o) | 20 |
Tooth width B (mm) | 50 |
Helical angle β (o) | 16o57'42'' |
Specific heat capacity (J/kg·K) | ca=cb=460 |
Modulus of elasticity (GPa) | Ea=Eb=210 |
Density (kg/m3) | ρa=ρb=7850 |
Input torque Tp (N·m) | 160 |
Rotating speed of pinion n1 (r/min) | 2000 |
Thermal conductivity of fluid kf(W/(m·K)) | 0.14 |
Density of fluid ρf (kg/m3) | 860 |
Specific heat of lubricant cf (J/kg·K) | 2290 |
Lubricant ambient temperature T0 (K) | 313 |
Initial viscosity of lubricant η0 (Pa·s) | 0.08 |
Viscosity-temperature coefficient βf (K−1) | 0.04 |
Eyring stress τ0 (MPa) | 1.2×107 |