<p>A hot forming die that includes a first die and a second die. The first die has a first die structure that is formed of a tool steel. The first die structure has a first die surface and a plurality of first cooling apertures. The first die surface has a complex shape. The first cooling apertures are spaced apart from the die surface by a first predetermined distance. The second die has a second die surface. The first and second die surfaces cooperate to form a die cavity. Related methods for forming a hot forming die and for hot forming a workpiece are also provided.</p>
申请公布号
EP2043798(A1)
申请公布日期
2009.04.08
申请号
EP20070763884
申请日期
2007.07.12
申请人
MAGNA INTERNATIONAL INC.
发明人
HORTON, FRANK A.;SHULKIN, BORIS;HASTILOW, BRADFORD L.;METZ, JIM;JUDKINS, JAMES R.;HANSEN, MONTY;KOTAGIRI, SEETARAMA S.;JANSSEN, ANDREAS G.