公开(公告)号：US20240051049A1

公开(公告)日：2024-02-15

申请号：US18226972

申请日：2023-07-27

申请人： ROLLS-ROYCE PLC

发明人： Monica M. CASTRO PALACIOS ,  Adam CLARE ,  James MURRAY ,  Alistair G. SPEIDEL ,  Alexander JACKSON-CRISP ,  Andrew D. NORTON

IPC分类号： B23H1/04 ,  B23H7/26 ,  B23H1/10

CPC分类号： B23H1/04 ,  B23H7/26 ,  B23H1/10

摘要： An electrical-discharge machining tool comprising a ground electrode, a moveable and activatable assistive electrode and a cutting electrode, a first conduit for supplying a dielectric and a second conduit for flushing dielectric material, wherein when used on a dielectric layer on a substrate the assistive electrode is activated and positioned substantially between the ground electrode and the cutting electrode.