Object of the present invention is to provide a method or a system by which an operator without skills in bending operation can easily and quickly perform precise bending operations on a sheet workpiece by following skilled operator's experience, hints or data. To achieve this object, the ...http://www.google.com.au/patents/US5799530?utm_source=gb-gplus-sharePatent US5799530 - Method of bending operations and bending system using the same
