State functions and materials for front axle. Draw proportionate diagram of front axle showing cross-section at different positions.
The functions of front axle :
1) It supports the weight of front part of the vehicle.
2) It facilitates steering.
3) It absorbs shocks which are transmitted due to road surface irregularities.
4) It withstands cornering forces and braking torque etc.
5) If front axle is live, it transmits engine torque.
6) If front axle is live, it withstands torque reaction, driving thrust.
Material: It is usually a steel drop forging having 0.4 % carbon steel or 1-3 % nickel steel.