COMPRESSION MOLDING METHOD AND DEVICE THEREFOR.

摘要

A compression molding method in which the yield of a product can be enhanced by preventing mixing of abrasion powder produced through galling. In the compression molding method where a fixed die (2) and a movable die (3) are arranged oppositely, a sliding board (3d) connected with a movable mold plate on the movable die side through a spring (3c) is touched to the parting plane of the fixed die (2) with spring force, the movable die (3) is advanced furthermore after resin is injected into the cavity (4) in the die, and molding is performed by compressing resin R filling the cavity (4) by means of a core (3g) provided in the movable die (3) with the core penetrating the sliding board (3d), characterized in that a resin film F is arranged between the fixed die (2) and the sliding board (3d) and one side of the resin R in the cavity (4) is compressed by means of the core (3g) through the resin film F.