Roll-forming or bending machine

US7536891B2 · kind B2 · utility

Assignee

• WEIL ENGINEERING GMBH · DE

Inventors

• Wolfgang Weil · Heitersheim, DE
• Klaus Bassler · Auggen, DE

Key dates

• Filing date: Oct 23, 2007
• Grant date: May 26, 2009
• Expiry date: Oct 23, 2027

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B21D5/08
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A roll-forming or bending machine is provided for forming an angled or rounded and simultaneously tapered hollow body or similar workpiece from a material blank. The machine has at least one tapered roll and at least one counter element, between which a forming pressure can be applied to the material blank. The one counter element has an elastic surface and is constructed as a bending table for supporting the material blanks, so that the one or more rolls apply forming pressure on the material blank on the bending table. The bending table is guided so that it can move in the longitudinal direction and can rotate about a rotational axis, and the rolls can move perpendicular to the longitudinal direction, allowing a change in the relative position of the roll and rotational axis of the bending table caused by a rotational movement of the bending table to be compensated.