| abstract |
In the RTM molding method in which a reinforcing fiber base material is placed in a cavity of a plurality of molds, a mold is tightened, and a resin is injected and molded, a divided area is assumed in terms of the plane direction of the reinforcing fiber base material. The divided region is a divided region in which the injected resin extends over the entire surface in the region and can be impregnated substantially uniformly in the substrate thickness direction, and a resin is introduced to introduce the injected resin into the divided region for each of the assumed divided regions. An RTM molding method and an RTM molding apparatus characterized by forming a furnace. In molding a relatively large molded article, the molding process from resin injection to impregnation and hardening can be performed at high speed without generating a region where resin does not flow, thereby shortening molding time, increasing production speed, increasing production volume, and voiding. It is possible to manufacture high quality molded articles without back. |