Gestamp Umformtechnik Gmbh

Siegfried Loesch

A forming tool for hot forming and partially press hardening a workpiece made of sheet steel including a die, a punch, and a cooling device. The die is formed of a first die part and at least one second die part which is movable relative to the first die part, while the punch is formed of a first punch part and at least one second punch part which is movable relative to the first punch part, the at least one movable second die part and the at least one movable second punch part interacting with an opening device which causes the at least one second die part and the at least one second punch part to contact the workpiece with a shorter closing time than the first die part and the first punch part.

Forming tool and method for hot forming and partially press hardening a workpiece made of sheet steel

A forming tool and a method for hot forming and partially press hardening a workpiece, wherein the workpiece is heated prior to forming and is subsequently hot formed in a forming tool including a die, a punch, and a cooling device. When the forming tool is closed, the contact between the workpiece and the contact surfaces of the die and the punch of the forming tool is interrupted by moving apart a movable die part and a movable punch part. The die includes a first die part and at least one second die part which is movable relative to the first die part. The punch includes a first punch part and at least one second punch part which is movable relative to the first punch part. The at least one movable second die part and the at least one movable second punch part interact with an opening device.

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Berlin, Germany

Siegfried Loesch