The Research Design Calculations and Optimization of Control Arms in Mac Pherson Suspensions in Automobile

The suspension is a soft link system between the wheels and the chassis. The suspension link of the car is an elastic bond whose function is to facilitate the wheel to perform relatively vertical movement towards the chassis according to the requirement of “mellow” oscillation, limiting to the point where other unwanted movements of the wheel are acceptable. In which the control arm is the detail that binds the above components. With the function of anti-vibration, it is maintaining tilt angles, and pinching angles save space under the car in front and ensures the stable operation of the car when moving on all roads. In this study, NX Siemens software is used to design the shape of control arms. Application of HyperWorks software to analyze finite elements in detail and optimize the structure of parts. The result is to design the shape of the control arm in accordance with the calculated load conditions. The part's design is optimized in shape to be smaller while ensuring operation when equipped on the vehicle.