4 bar mechanism, for a windshield wiper. First generate Velocity and acceleration diagram then apply force analysis to Calculate the torque at the wiper EF link. The crank is rotating by a motor with...

4 bar mechanism, for a windshield wiper.

First generate Velocity and acceleration diagram then apply force analysis to Calculate the torque at the wiper EF link.

The crank is rotating by a motor with 65 RPM speed.

The coeffecient of friction of the material used in the mechanism is 2.1

The mass of each link is

AB = 0.36
BC=0.64
CD=0.76
DA=0. 38

Assume any mass for the rest.

*EF is the wiper which is fixed with the rocker link CD