公开(公告)号：US20230415250A1

公开(公告)日：2023-12-28

申请号：US18036456

申请日：2021-12-08

Applicant: ArcelorMittal

Inventor： Thomas TOUCHE ,  Sébastien CHAMPEMAUD ,  Stéphane ERTZ ,  Jean-Marc HEMMEN

IPC: B23D35/00 ,  B23D19/04

CPC classification number: B23D35/007 ,  B23D19/04

Abstract: A trimming device for metallic sheets including: an upper knife, comprising a central circular face having a diameter D1 and a thickness T1, mounted on an upper shaft, a lower knife, comprising a central circular face having a diameter D2 and a thickness T2, mounted on a lower shaft, wherein said upper knife and said lower knife are vertically shifted with an overlap (DOVERLAP) so as to define a shear of said metallic sheet and wherein at least one of said upper or lower shaft is able to be moved vertically, a first distance sensor, able to measure a vertical distance to the upper end of said upper knife, a second distance sensor, able to measure a vertical distance to the lower end of said lower knife, a computer able to compute the overlap.