Apparatus and method for producing a bent laminate

B - Operations – Transporting – 27 – H

Patent

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Details

B27H 1/00 (2006.01) B27D 1/08 (2006.01) B27M 3/00 (2006.01) B31F 1/00 (2006.01)

Patent

CA 2043460

ABSTRACT An apparatus and method is disclosed for the bending and pressing of laminations into 2-dimensional or 3-dimensional curves. The apparatus includes a pair of spaced apart rotatable clamps for the clamping of the laminations at spaced apart locations. At least one of the clamps is movable towards the other clamp. Counterclockwise rotation of the clamps bends the laminations held by the clamps. A clamping force of at least one of the clamps is controllable so that the laminations may be bent while a mutual sliding movement of the laminations in at least one clamp is permitted. The laminations are bent to a radius larger than a desired radius. At this point, the clamping pressure is increased to prevent the mutual sliding movement so that upon further bending of the laminations, the outer laminations are pressed against the inner laminations at a substantially evenly distributed force along the bent section of the laminations. The apparatus is easily adaptable to produce different shapes and sizes of 2- and 3-dimensional curvatures and permits the fast and economical bending and compression of a workpiece having individual layers.

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