METHOD FOR MANUFACTURING CYLINDER COVER FOR SHIP USING PROFILE RING-MILL FORGING TECHNIQUE

摘要

The present invention provides a method for manufacturing a cylinder cover for a ship using a profile ring-mill forging technique, capable of reducing production costs while improving productivity by combining a forming forging technique and a ring-mill forging technique. The method for manufacturing a cylinder cover for a ship using a profile ring-mill forging technique of the present invention comprises: a first forming body (10) manufacturing step; a second forming body (20) manufacturing step; a third forming body (30) manufacturing step; a forming forging die (100) preparation step; a fourth forming body (40) manufacturing step; a punching step; a ring-mill preparation step; a close contact step; and a cylinder hole forming step.;COPYRIGHT KIPO 2020