公开(公告)号：US12090552B2

公开(公告)日：2024-09-17

申请号：US17079975

申请日：2019-02-26

Applicant: ARCAM AB

Inventor： Lars Löwgren ,  Kristofer Karlsson

IPC: B22F12/20 ,  B22F10/28 ,  B22F10/30 ,  B22F12/00 ,  B22F12/50 ,  B22F12/60 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F12/30 ,  B22F12/90

CPC classification number: B22F12/50 ,  B22F10/28 ,  B22F12/20 ,  B22F12/224 ,  B22F12/226 ,  B22F12/60 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F12/30 ,  B22F12/90 ,  B22F2999/00 ,  B22F12/60 ,  B22F12/10 ,  B22F12/20

Abstract: Provided is an additive manufacturing apparatus for additive manufacturing of three dimensional objects by selectively solidifying a powder material layer by layer in a process chamber, wherein the apparatus comprises a powder distributor movable across a build area of a build tank for applying a layer of powder material thereon and a solidification device for selectively solidifying the applied powder layer at positions corresponding to a cross section of the object to be manufactured and a control unit adapted to repeat the steps of applying and selectively solidifying until the object is completed, wherein at least one support structure for supporting the powder distributor and/or a bellows assembly associated there-with is connectable to a cooling/heating media supply outside the process chamber and the support structure and/or the bellows assembly is adapted for transporting the cooling/heating media to and from the powder distributor. Certain embodiments further or alternatively include a bellows assembly connected or connectable to a cooling/heating media supply positioned outside the process chamber, the bellows assembly being configured for transporting the cooling/heating media to and from the powder distributor.

公开(公告)号：US20210245253A1

公开(公告)日：2021-08-12

申请号：US17079975

申请日：2019-02-26

Applicant: ARCAM AB

Inventor： Lars Löwgren ,  Kristofer Karlsson

IPC: B22F12/20 ,  B22F10/28 ,  B22F10/30 ,  B22F12/50 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: Provided is an additive manufacturing apparatus for additive manufacturing of three dimensional objects by selectively solidifying a powder material layer by layer in a process chamber, wherein the apparatus comprises a powder distributor movable across a build area of a build tank for applying a layer of powder material thereon and a solidification device for selectively solidifying the applied powder layer at positions corresponding to a cross section of the object to be manufactured and a control unit adapted to repeat the steps of applying and selectively solidifying until the object is completed, wherein at least one support structure for supporting the powder distributor and/or a bellows assembly associated there-with is connectable to a cooling/heating media supply outside the process chamber and the support structure and/or the bellows assembly is adapted for transporting the cooling/heating media to and from the powder distributor. Certain embodiments further or alternatively include a bellows assembly connected or connectable to a cooling/heating media supply positioned outside the process chamber, the bellows assembly being configured for transporting the cooling/heating media to and from the powder distributor.