Device for a metal working press for regulation of sheet holding force between the tool lower part and upper part, in forming of drawn parts, especiially for automobile industry, has elastic element in form of hydraulic or pneumatic cushion
摘要
<p>Drawing cushion (sic, Ziehkissen) device for a metal working press for regulation of sheet holding force between the tool lower part and upper part, where the impact pressure and movement of the sheet holder are produced by one or more NC-controlled electric motor drives. The motion transfer chain between the servo drive motor (7) and the pressure side plate (sic) (11) involves an elastic element (14).</p>
