Abstract
This patent was filed on May 14, 2021 and was published online on July 2, 2024.From the background information supplied by the inventors, news correspondents o btained the followingquote: “BACKGROUND ART“In recent years, bending systems have become widespread in the field of sheet m etal processing.Hereinafter, the configuration and the like of the bending syst em will be briefly described (see PatentLiterature 1).“The bending system includes a press brake that bends a workpiece. A bending rob ot that assistsin bending the workpiece is provided between the press brake and a predetermined setting area that isarranged in front of the press brake. The bending robot includes a robot hand that holds the workpieceon a pallet set in the predetermined setting area. Further, above the predetermined setting area, a cameraas an image pickup unit that picks up an image of the workpiece on the p allet from a vertically upperdirection is provided. A first illumination unit t hat irradiates an image pickup area of the camera with anillumination beam is p rovided in the vicinity of the left side of the predetermined setting area. A se condillumination unit that irradiates the image pickup area of the camera with an illumination beam is providedin the vicinity of the right side of the predet ermined setting area.
NETL
NSTL