State the loads acting on a frame.

State the loads acting on a frame.
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1 Answer

Answer :

Loads acting on a Frame: (Any four) 

a) Static loads: The loads due to the chassis parts like engine, transmission, steering system, body, fuel tank etc. and passengers are acting on the frame which causes vertical bending of side members. 

b) Inertia loads: Inertia loads of short duration are acting on the vehicle while application of braking torque and engine torque. This results into bending of side members in the vertical plane. 

c) Impact loads: When a vehicle or wheel collides with any other object on the road or road obstacle, it is subjected to externally applied impact load. Impact load may distort the frame to parallelogram shape. 

d) Short Duration load: While crossing a broken patch of a road, a vehicle is acted upon by heavy and suddenly applied loads of short duration. 

e) Momentary duration (combined) loads: While negotiating curves, applying brakes and striking a pot hole, a vehicle is acted upon by combined loads of momentary duration. 

f) Overloads: Overloading a vehicle beyond its designed capacity.
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