Mesh Kinematics of a Spur Gear Pair

1
Mesh Kinematics of a Spur Gear Pair
Spur gear mesh action
Peripheral velocity ratio V1 / V2
Line of action
v2
vr
vt2
v1
vt1
Pitch line
vs
vn
2
Planetary Gears
The motion of any PGT is analyzed in two steps
Relative to carrier With carrier
Absolute velocity of gears
3
Ordinary Gear Trains
4
Bearing types
Tapered Roller
Cylindrical Roller
Ball bearing
Spherical bearing
Thrust Bearing