公开(公告)号：US20230332276A1

公开(公告)日：2023-10-19

申请号：US18245645

申请日：2021-09-16

Applicant: voestalpine Metal Forming GmbH ,  Mogema BV

Inventor： Bas-Jan Hoogenberg ,  Robert Vehof ,  Brian Brady ,  Guillermo Domínguez ,  Karl Radlmayr

IPC: C22C19/05 ,  C22F1/10 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/30 ,  C22C38/28 ,  C22C38/26 ,  C22C38/24 ,  C22C38/22 ,  C21D9/46 ,  C21D8/12 ,  C21D6/00 ,  B33Y10/00 ,  B33Y80/00 ,  B22F5/00 ,  B33Y40/20 ,  B22F10/64 ,  H05K9/00 ,  B21D22/02

CPC classification number: C22C19/057 ,  C22F1/10 ,  C22C38/02 ,  C22C38/04 ,  C22C38/06 ,  C22C38/30 ,  C22C38/28 ,  C22C38/26 ,  C22C38/24 ,  C22C38/22 ,  C21D9/46 ,  C21D8/1216 ,  C21D8/1244 ,  C21D6/002 ,  C21D6/005 ,  C21D6/007 ,  C21D6/008 ,  B33Y10/00 ,  B33Y80/00 ,  B22F5/006 ,  B33Y40/20 ,  B22F10/64 ,  H05K9/0075 ,  B21D22/022 ,  C22C2202/02 ,  B22F2998/10

Abstract: A method for producing three-dimensional magnetic shields with a sufficient permeability from unannealed, soft-annealed, or magnetization annealed magnetically soft metal sheets, wherein the metal sheet is either cold formed into the three-dimensional component in a one-step or multi-step process, then is subjected to a (magnetization) annealing to increase the permeability, and is then transferred to a forming tool, in which it is held and/or pressed in a tool, which has the desired contour of the component, and is optionally shape-corrected or calibrated by the tool, and allowed to cool in the tool, or a sheet is heated and then formed to the desired geometry in a hot-forming tool and held in it, and is allowed to cool in the tool, or the three-dimensional component is generated by additive production and then is subjected to a (magnetization) annealing to increase the permeability; the invention also relates to a shielding device.