HOT FORMING METAL DIE WITH IMPROVED COOLING SYSTEM

摘要

A hot metal forming apparatus having a pair of dies which are movable between an open and closed position relative to each other. The dies have facing metal forming surfaces corresponding to the shape of the desired stamped part. At least one elongated heat pipe is mounted within at least one die for transferring heat away from the stamped part thus quenching the stamped part.

主权项

1. Hot metal forming apparatus comprising:
a pair of dies, at least one of said dies movable relative to the other die between an open and a closed position, said dies dimensioned to receive a heated metal sheet therebetween when in said open position, said dies having facing metal forming surfaces, at least one elongated heat pipe mounted in at least one die, said heat pipe having a first end positioned adjacent one of said metal forming surfaces and a second end spaced from said metal forming surfaces, said at least one heat pipe having a casing which forms a closed interior chamber and a liquid which partially fills said chamber.