High performance machine with reduced setting-up time for programmed sheet bending
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United States of America Patent
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Issued Date -
Apr 10, 2003
app pub date -
Oct 8, 2002
filing date -
Oct 10, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A sheet metal bending machine with a bending unit driven by actuators comprises a data processing system including a technological bending database which is programmed to represent the behaviour of the machine-sheet assembly under the bending process, said database being provided with a predefined stored set of sheet metal angle and thickness data and supplied with nominal angle and thickness data of the sheet metal to be bent, a material characteristic database provided with a predefined set of sheet metal material data and supplied with material type data of the sheet metal to be bent, a machine geometry database provided with a predefined set of geometrical data of the bending machine. A mathematical model calculation algorithm calculates the movements of the bending unit actuators according to processed data provided by said databases and sheet metal length data of the sheet metal to be bent. A mathematical model recalculation algorithm recalculates the movements of the bending unit actuators according to measured thickness data provided by thickness measuring means and calculated data from said calculation algorithm.
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