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US 11,565,297 B2Granted
Bending machine and method for controlling the bending machine
AssigneeHäUsler Holding AG
InventorAlexander Zwahlen
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Abstract
A method and a correspondingly configured bending machine are described, wherein a setting of the bending machine is first calculated on the basis of a mathematical model and subsequently corrected on the basis of stored data sets on previous bending operations and their correction values.
Claims9
A method for controlling a bending machine configured to bend sheet metal, wherein the bending machine has at least one upper roller, one lower roller, and a positionable side roller, the method comprising:
- calculating at least one bending machine setting based at least on properties of a first sheet of sheet metal that is to be bent;
- selecting a data set from a plurality of data sets, each storing at least one setting of the bending machine, a before curvature, an after curvature, and a correction value of a second sheet of sheet metal corresponding to a previous bending operation, the before curvature and after curvature of the second sheet in the selected data set being closest to respective before curvature and desired after curvature of the first sheet that is to be bent;
- retrieving the correction value from the selected data set;
- correcting the calculated at least one bending machine setting based on the correction value;
- setting the bending machine based on the corrected calculated at least one bending machine setting;
- and
- causing the bending machine to bend the first sheet based on the corrected calculated at least one bending machine setting, reducing a total number of bending passes required for the first sheet to achieve the desired after curvature.
4 more elements
Dependencies are inferred from the claim text.