Control arm constituting vehicle's suspension system and method for manufacturing the control arm

摘要

According to the present invention, a hybrid type control arm constituting a vehicle suspension system comprises: a metal plate for maintaining basic rigidity; and a composite material made of plastic resin and glass fiber to cover the entire outer surface of the plate. In the control arm, the composite material is coupled with an injection molding method in a state in which the plate is inserted into a mold, and a coupling force is increased through a pore formed through surface treatment between coupling surfaces of the plate and the composite material.