公开(公告)号：US20220305560A1

公开(公告)日：2022-09-29

申请号：US17615507

申请日：2020-05-28

Applicant: RENISHAW PLC

Inventor： Adrian PORCH ,  Steven CRIPPS ,  Nyle PARKER

IPC: B22F10/28 ,  B22F10/366 ,  H05B6/62 ,  H05B6/50 ,  B22F12/52 ,  B22F12/00 ,  B22F12/30 ,  B33Y10/00 ,  B33Y30/00 ,  B22F12/49

Abstract: A powder bed fusion apparatus includes a build platform movable in a build sleeve, the build platform for supporting a bed of metal powder, a powder layer formation device for forming layers of metal powder to form the bed, a scanner for directing an energy beam to selected regions of each layer to consolidate the metal powder and a radio-wave generator arranged to surround the metal powder and generate radio waves to heat the metal powder that forms the bed.