ECO-MOLDING APPARATUS FOR MANUFACTURING PISTON, MOLDING APPARATUS FOR MANUFACTURING PISTON, AND PISTON MANUFACTURING METHOD

摘要

The present invention relates to an eco-molding apparatus for manufacturing a piston, a molding apparatus for manufacturing a piston, and a piston manufacturing method, by which parts of the piston can be molded to reduce the weight of the piston. The present invention may comprise: a first eco-molding part which can move forward and backward in a first direction to mold one part of an eco-part of a piston; and a second eco-molding part which can be engaged with the first eco-molding part to allow the other part of the eco-part of the piston to be molded and, when the first eco-molding part undergoes a primary disengagement, can slide in a second direction to undergo a secondary disengagement.