公开(公告)号：US20230415273A1

公开(公告)日：2023-12-28

申请号：US18037604

申请日：2021-11-04

Applicant: ArcelorMittal

Inventor： Bert VAN WEZEMAEL

IPC: B23K26/38 ,  B23K37/04

CPC classification number: B23K26/38 ,  B23K2101/185 ,  B23K37/04

Abstract: Laser cutting process to produce n trimmed sub-blanks, n being an integer strictly greater than 1, from a mother blank made of metallic material, having the following steps: Op1/ positioning the mother blank on a cutting table having n laths arranged to be moveable relative to one another in a transverse direction, Op2/ clamping at least part of the mother blank to the cutting table, Op3/ cutting, using a laser source, n untrimmed sub-blanks from the mother blank in a longitudinal cutting direction, Op4/ separating the n laths of the cutting table from one another in a transverse direction, Op5/ releasing the clamping, Op6/ clamping the n untrimmed sub-blanks to the n laths, Op7/ laser trimming the n untrimmed sub-blanks in order to form n trimmed sub-blanks, Op8/ releasing the clamping, Op9/ discharging the n trimmed sub-blanks from the cutting table.