公开(公告)号：EP3248716A1

公开(公告)日：2017-11-29

申请号：EP16825687.3

申请日：2016-03-25

Applicant: Technology Research Association for Future Additive Manufacturing

Inventor： KITAMURA Shinichi ,  TSUTAGAWA Nari

IPC: B22F3/105 ,  B22F3/16 ,  B33Y30/00 ,  B33Y50/00

CPC classification number: B23K15/0086 ,  B22F3/1055 ,  B22F2003/1056 ,  B33Y30/00 ,  B33Y50/02 ,  Y02P10/295

Abstract: This invention effectively prevents charge-up of an unsintered region. A three-dimensional laminating and shaping apparatus includes a linear funnel for recoating the material of a three-dimensional laminated and shaped object onto a shaping surface on which the three-dimensional laminated and shaped object is to be shaped. The three-dimensional laminating and shaping apparatus also includes an electron gun for generating an electron beam. The three-dimensional laminating and shaping apparatus further includes a charge shield for shielding the material recoated on the shaping surface when irradiating the material with the electron beam. In addition, the apparatus includes a vertical driving mechanism for vertically moving the charge shield.

Abstract translation: 本发明有效地防止未烧结区域的充电。 一种三维层压和成形设备包括线性漏斗，用于将三维层压和成形物体的材料重新涂覆到成形表面上，三维层压和成形物体将成形在该成形表面上。 三维层压和成形设备还包括用于产生电子束的电子枪。 该三维层压和成形装置还包括一个电荷屏蔽层，用于在用电子束照射材料时屏蔽重新形成在成形表面上的材料。 另外，该设备包括用于垂直移动电荷屏蔽的垂直驱动机构。