APPARATUS FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING
    1.
    发明申请
    APPARATUS FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING 审中-公开
    通过添加剂制造生产物体的设备

    公开(公告)号:WO2017222379A1

    公开(公告)日:2017-12-28

    申请号:PCT/NL2017/050418

    申请日:2017-06-22

    IPC分类号: B29C67/00 B33Y30/00

    摘要: The invention relates to an apparatus for producing an object by means of additive manufacturing, comprising a frame unit and a process unit connected to said frame unit. The process unit comprises a process chamber for receiving a bath of powdered material which can be solidified, and a support for positioning the object in relation to a surface level of the bath of material. The apparatus further comprises a solidifying device connected to the frame unit for solidifying a selective part of the powdered material. The apparatus according to the invention comprises a plurality of build plate elements connected to the support.

    摘要翻译: 本发明涉及用于通过增材制造来制造物体的设备,其包括框架单元和连接到所述框架单元的处理单元。 处理单元包括用于接收可固化的粉末材料池的处理室以及用于相对于材料池的表面高度定位物体的支撑件。 该设备还包括连接到框架单元的固化装置,用于固化粉末材料的选择部分。 根据本发明的设备包括连接到支撑件的多个构建板元件。

    APPARATUS FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING AND METHOD OF USING THE APPARATUS

    公开(公告)号:WO2018203752A1

    公开(公告)日:2018-11-08

    申请号:PCT/NL2018/050295

    申请日:2018-05-07

    摘要: Apparatus for producing an object by means of additive manufacturing, comprising: a process chamber for receiving on a build surface of a build plate a bath of powdered material which can be solidified; a support for supporting on a supporting surface thereof said build plate in relation to a surface level of said bath of powdered material, wherein said build plate is removably connectable to said supporting surface; a solidifying device for solidifying a selective part of said material by emitting electromagnetic radiation; and a build plate takeover device comprising an actuating element for placing said build plate onto said supporting surface of said support for producing said object and removing said build plate from said supporting surface of said support. Method for producing an object by means of additive manufacturing.

    APPARATUS FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING
    4.
    发明申请
    APPARATUS FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING 审中-公开
    用于通过添加剂制造生产对象的装置

    公开(公告)号:WO2016085334A2

    公开(公告)日:2016-06-02

    申请号:PCT/NL2015/050819

    申请日:2015-11-24

    IPC分类号: B29C67/00

    摘要: The invention relates to an apparatus and method for producing an object by means of additive manufacturing. The apparatus comprises a process chamber for receiving a bath of material which can be solidified by exposure to electromagnetic radiation; a support for positioning the object in relation to the surface level of the bath of material; and a solidifying device for solidifying a layer of the material on the surface level by means of electromagnetic radiation. According to the invention, a registering device is provided for registering a characteristic of a calibration area related to the surface level of the bath of material. Furthermore, a control unit connected to the registering device is provided. The control unit is arranged for using the characteristic of the calibration area obtained by the registering device for controlling the position of the electromagnetic radiation emitted by the solidifying device.

    摘要翻译: 本发明涉及通过添加剂制造来生产物体的装置和方法。 该装置包括用于接收可通过暴露于电磁辐射而固化的材料浴的处理室; 用于将物体相对于材料浴的表面水平定位的支撑件; 以及用于通过电磁辐射固化表面层上的材料层的固化装置。 根据本发明,提供了一种记录装置,用于记录与材料浴的表面水平相关的校准区域的特性。 此外,提供连接到登记装置的控制单元。 控制单元被配置为使用由登记装置获得的校准区域的特性来控制由固化装置发射的电磁辐射的位置。

    APPARATUS AND METHOD FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING

    公开(公告)号:WO2019108058A1

    公开(公告)日:2019-06-06

    申请号:PCT/NL2018/050790

    申请日:2018-11-26

    摘要: The invention relates to an apparatus for producing an object by means of additive manufacturing, comprising a process chamber for receiving a bath of material which can be solidified by exposure to electromagnetic radiation; a support for positioning the object in relation to the surface level of the bath of material; and a solidifying device for solidifying a selective layer-part of the material on the surface level by means of electromagnetic radiation. Furthermore optical control device is provided with a focus unit in an optical pathway of the electromagnetic radiation of the solidifying device, and arranged for controlling at least the focus of the electromagnetic radiation emitted by the solidifying device on the surface level. According to the invention, the optical control device comprises a sensor element arranged for detecting a measure for the accuracy of the focus of the electromagnetic radiation and a focus correction lens element that is arranged to be movable. By moving said focus correction lens element, focus may be corrected, for example due to thermal behaviour of the optical system.

    APPARATUS AND METHOD FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING

    公开(公告)号:WO2020256540A1

    公开(公告)日:2020-12-24

    申请号:PCT/NL2020/050379

    申请日:2020-06-12

    摘要: Apparatus for producing an object by means of additive manufacturing, said apparatus comprising: - a process chamber for receiving a bath of powdered material which can be solidified by exposure to electromagnetic radiation; - a support for positioning said object in relation to a surface level of said bath of powdered material; - a solidifying device arranged for emitting a beam of electromagnetic radiation on said surface level for solidifying a selective part of a layer of said powdered material; and - a control device arranged for controlling an energy density of said electromagnetic radiation, during solidification of said selective part of said layer of said powdered material, taking into account a position of said beam of electromagnetic radiation at said surface level. Method for producing an object by means of additive manufacturing.

    METHOD AND APPARATUS FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING

    公开(公告)号:WO2020242293A1

    公开(公告)日:2020-12-03

    申请号:PCT/NL2020/050187

    申请日:2020-03-20

    摘要: Method (401, 501, 601) comprising the steps of: • - receiving (403, 503, 603), in a process chamber (3), a bath of powdered material (4), wherein a surface level (L) of said bath of powdered material defines an object working area; • - solidifying (405, 505, 605), by a solidifying device (7), a selective layer-part of said bath of powdered material (4) on said surface level (L); • - extracting (407, 507, 607), by an extraction device (27), powdered material originating from said bath of powdered material (4); • - controlling (411, 511, 611), by a controlling device (31), at least one of: • - said extraction device (27) for realising an extraction rate of extracting powdered material originating from said bath of powdered material (4); and • - a separating device for realising a separation rate of filtering and/or sieving said powdered material originating from said bath of powdered material (4).

    METHOD AND APPARATUS FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING

    公开(公告)号:WO2020017952A1

    公开(公告)日:2020-01-23

    申请号:PCT/NL2019/050373

    申请日:2019-06-18

    IPC分类号: B29C64/371 B22F3/105

    摘要: Method for producing an object (2) by means of additive manufacturing, wherein said method comprises the steps of: receiving, in a process chamber (3), a bath of material (4), wherein a surface level (L) of said bath of material (4) defines an object working area; solidifying, by a solidifying device (7), a selective layer-part of said material (4) on said surface level (L); controlled oxidisation, of waste particles originating from said solidifying of said material (4), by controlling an oxygen level, such that oxidised waste particles are obtained and ignition of said waste particles is avoided. Apparatus (1) for producing an object (2) by means of additive manufacturing.

    METHOD FOR CALIBRATING AN APPARATUS FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING

    公开(公告)号:WO2019059761A1

    公开(公告)日:2019-03-28

    申请号:PCT/NL2018/050616

    申请日:2018-09-19

    IPC分类号: B29C64/153 B29C64/393

    摘要: The invention relates to a method for calibrating an apparatus (1) for producing an object by means of additive manufacturing. The apparatus comprises a process chamber (3), as well as a support (5) for positioning the object (2) in relation to a surface level of a bath of material (4) to be solidified. A solidifying device (7) is arranged for emitting a beam of radiation (71) on the surface level for solidifying a selective part of said material. The solidifying device (7) comprises a focus member (76) for adjusting a focus setting. The method according to the invention comprises the steps of controlling the solidifying device for making test patterns (a - i) at different focus settings. A calibration system (8) with a sensor unit (81) is used for determining characteristics of test patterns, and a calibrated focus setting is determined based on the characteristics.

    SYSTEM FOR PRODUCING AN OBJECT BY MEANS OF ADDITIVE MANUFACTURING

    公开(公告)号:WO2018097708A1

    公开(公告)日:2018-05-31

    申请号:PCT/NL2017/050727

    申请日:2017-11-10

    摘要: The application relates to a system (1) for producing an object by means of additive manufacturing. The system has an apparatus (19), comprising a storage container (61) for storing powdered material that can be solidified, and a process chamber (3) fluidly connected to the storage container and arranged for receiving at least a part of the powdered material for forming a bath of material (4) within the process chamber. Furthermore, a structure is provided for positioning the object in relation to the surface level of the bath of material. The apparatus also comprises a solidifying device (7) for solidifying a layer of the bath of material. A supply device (8) is provided, having a supply container (18) for storing a supply of powdered material that can be solidified, wherein the supply device is fluidly connected, or at least connectable, to the storage container, and wherein the apparatus is arranged for transferring powdered material between the supply container and the storage container.