Hydromechanical drawing process and machine

A hydromechanical forming tool is disclosed that may include electro-hydraulic forming chambers in which a stored charge circuit may be discharged through electrodes to improve the level of detail that may be formed in a blank. The hydromechanical forming tool may include a liquid chamber at the ent...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: GOLOVASHCHENKO SERGEY FEDOROVICH
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A hydromechanical forming tool is disclosed that may include electro-hydraulic forming chambers in which a stored charge circuit may be discharged through electrodes to improve the level of detail that may be formed in a blank. The hydromechanical forming tool may include a liquid chamber at the entrance to the draw chamber to reduce friction, as the blank is drawn into the draw chamber. The draw chamber may have a movable bottom wall that is moved in tandem with the punch to reduce the amount of liquid in the draw chamber and reduce the need to pump liquid into and out of the draw chamber during a hydromechanical forming tool cycle.