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Bend part

Bending

Bending is a procedure for forming a flat, sheet metal workpiece. It immediately follows cutting in the processing chain. The workpiece lies on a bottom tool with a v-shaped opening. A wedge-shaped tool (punch) presses the workpiece into the v-opening and thus bends it to the desired angle.

Bending tools

Perfect bending results thanks to the right tools. Original tools from Bystronic are capable of unleashing the full potential of the machine’s characteristics, in order to ensure that your parts are always bent with utmost precision.

Bending tools
Air bending

Air bending

During air bending, the upper tool presses the workpiece into the bottom tool opening, however without bottoming. The workpiece rests solely on the two edges of the bottom tool during the entire bending process. The bending angle is determined by how deep the top tool plunges into the bottom tool. Air bending permits bending at various angles without a tool change.

Dynamic crowning

Bystronic has long used dynamic crowning on the Xpert model range pressbrakes. This unique compensation system adjusts the curvature of the lower beam automatically during bending. State-of-the-art dynamic crowning makes this correction in real time and with the latest sensors. Users can therefore achieve exact, constant bending results, and this even with bent parts that are more than 3 meters long.

Dynamic crowning
Precision

Precision

Precision is the most important yardstick for pressbrakes. Slight deviations from the desired bending angle are physically unavoidable. The bending angle can either be basically inexact or can vary across the entire bending length. During air bending, compensation systems balance out these errors. Bystronic uses the unique hydraulic dynamic crowning technique on its pressbrakes: The stamp and die are specifically curved to balance out the deformation caused by the bending process. 

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