Method and device for removing dents from sheet metal parts
AssigneeAdvanced Photonics Technologies AG
InventorsKai K. O. Bär, Rainer Gaus, Frank Weckenmann
Life of this patent
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Abstract
Method of removing dents from sheet-metal parts, in particular from lacquered parts of an automobile body, wherein the metal part (3) in the region of a dent (B) is warmed locally in a substantially non-contact manner, in such a way that a mechanical tension gradient produced by the local warming causes the dent to spring back so as to restore the original shape of the metal part.
Claims15
Method of removing dents from sheet-metal parts, in particular from lacquered parts of an automobile body, wherein the metal part (3) is locally warmed in the region of a dent (B) in a substantially non-contact manner, such that a mechanical tension gradient induced by the local warming causes the dent to spring back so as to restore the original shape of the metal part, characterized in that the local warming is carried out by the directed application of radiation, a substantial proportion of which is in the near-infrared region, in particular in the wavelength region between 800 nm and 2 μm.
Dependencies are inferred from the claim text.