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    POWDER BED FUSION MODEL AND METHOD OF FABRICATING SAME
    2.
    发明申请
    POWDER BED FUSION MODEL AND METHOD OF FABRICATING SAME 有权

    公开(公告)号：US20210008795A1

    公开(公告)日：2021-01-14

    申请号：US17037257

    申请日：2020-09-29

    Applicant: Aspect Inc.

    Inventor： Masashi HAGIWARA ,  Yusei KIMURA

    IPC: B29C64/153 ,  B29C64/314 ,  B29C64/268 ,  B33Y10/00

    Abstract: Provided are a powder bed fusion model having improved model strength and a method of fabricating the same. Applying a laser beam to a layer of a resin powder (8) includes: applying the laser beam with a first energy to a modeling area (ma1) in the first layer of the resin powder from the bottom among n layers of the resin powder, in the modeling area (ma2, ma3, man−2, man−1) in each of the second to (n−1)-th layers of the resin powder, applying the laser beam with the first energy to a projecting portion (PA2, PA3, PAn−1) projecting outward from at least one of the modeling areas in the vertically adjacent layers of the resin powder and to an overlapping portion (OA2, OA3, OAn−1) overlapping the modeling areas in the adjacent layers of the resin powder, lying on the inner side of the projecting portion, and having at least a width equal to the thickness of a layer of the resin powder, and applying the laser beam with a second energy lower than the first energy to a center portion on the inner side of the projecting portion and the overlapping portion; and applying the laser beam with the first energy to the modeling area (man) in the n-th layer of the resin powder.

    Powder bed fusion apparatus
    4.
    发明授权
    Powder bed fusion apparatus 有权

    公开(公告)号：US10427218B2

    公开(公告)日：2019-10-01

    申请号：US15164019

    申请日：2016-05-25

    Applicant: Aspect Inc.

    Inventor： Seiji Hayano

    IPC: B22F3/105 ,  B29C67/00 ,  B29C64/153 ,  B29C64/20 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/386

    Abstract: A powder bed fusion apparatus has an energy beam emitting section for outputting an energy beam, a thin layer forming section for forming a thin layer of a powder material, preliminary heating means for pre-heating the thin layer of the powder material, and control means for controlling modeling, wherein the control means performs forming the thin layer of the powder material, pre-heating the thin layer of the powder material, and modeling based on slice data, in which irradiation of the energy beam is started from the central region of the thin layer, and sequentially moved to a peripheral region of the thin layer.

    POWDER RAPID PROTOTYPING APPARATUS AND POWDER RAPID PROTOTYPING METHOD
    6.
    发明申请
    POWDER RAPID PROTOTYPING APPARATUS AND POWDER RAPID PROTOTYPING METHOD 有权
    粉末快速实验装置和粉末快速原型方法

    公开(公告)号：US20140035205A1

    公开(公告)日：2014-02-06

    申请号：US13721482

    申请日：2012-12-20

    Applicant: ASPECT INC.

    Inventor： Masashi HAGIWARA ,  Masahiro SASSA

    IPC: B29C67/00

    CPC classification number: B29C67/0077 ,  B22F3/105 ,  B23K26/14 ,  B23K26/34 ,  B29C35/00 ,  B29C35/08 ,  B29C64/00 ,  B29C64/153 ,  B29C67/0051 ,  B29C2035/0283 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

    Abstract: A powder rapid prototyping apparatus includes a decompressable chamber, a thin layer forming section which supplies powder material from a powder material housing container provided in the chamber to form a thin layer of the powder material, an energy beam source for heating which outputs energy beam for heating which sinters or melts and models the thin layer of the powder material, and a control section which controls the modeling, wherein the control section exposes the powder material to the decompressed atmosphere before starting modeling, and houses the powder material in the powder material housing containers in a divided manner.

    Abstract translation: 粉末快速成型装置包括减压室，薄层形成部分，其从设置在室中的粉末材料容纳容器供应粉末材料以形成粉末材料的薄层，用于加热的能量束源，其将能量束输出 对粉末材料的薄层进行烧结或熔融成型的加热装置和控制成型的控制部，其中控制部在开始建模之前将粉末材料暴露于减压气氛中，并将粉末材料容纳在粉末材料壳体 容器分开。

    POWDER BED FUSION APPARATUS
    8.
    发明申请
    POWDER BED FUSION APPARATUS 审中-公开
    粉饼灌装设备

    公开(公告)号：US20170001243A1

    公开(公告)日：2017-01-05

    申请号：US15164019

    申请日：2016-05-25

    Applicant: Aspect Inc.

    Inventor： Seiji HAYANO

    IPC: B22F3/105 ,  B29C67/00

    Abstract: A powder bed fusion apparatus has an energy beam emitting section for outputting an energy beam, a thin layer forming section for forming a thin layer of a powder material, preliminary heating means for pre-heating the thin layer of the powder material, and control means for controlling modeling, wherein the control means performs forming the thin layer of the powder material, pre-heating the thin layer of the powder material, and modeling based on slice data, in which irradiation of the energy beam is started from the central region of the thin layer, and sequentially moved to a peripheral region of the thin layer.

    Abstract translation: 粉末床融合装置具有用于输出能量束的能量束发射部分，用于形成粉末材料薄层的薄层形成部分，用于预热粉末材料薄层的预加热装置，以及控制装置 用于控制建模，其中所述控制装置执行形成所述粉末材料的薄层，预热所述粉末材料的薄层，以及基于切片数据进行建模，其中能量束的照射从 薄层，并顺序地移动到薄层的周边区域。

    Powder rapid prototyping apparatus and powder rapid prototyping method
    9.
    发明授权
    Powder rapid prototyping apparatus and powder rapid prototyping method 有权
    粉末快速成型设备和粉末快速成型方法

    公开(公告)号：US09061465B2

    公开(公告)日：2015-06-23

    申请号：US13721482

    申请日：2012-12-20

    Applicant: Aspect Inc.

    Inventor： Masashi Hagiwara ,  Masahiro Sassa

    IPC: B22F3/105 ,  B29C35/00 ,  B29C35/08 ,  B29C67/00 ,  B29C35/02 ,  B23K26/14 ,  B23K26/34

    CPC classification number: B29C67/0077 ,  B22F3/105 ,  B23K26/14 ,  B23K26/34 ,  B29C35/00 ,  B29C35/08 ,  B29C64/00 ,  B29C64/153 ,  B29C67/0051 ,  B29C2035/0283 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

    Abstract: A powder rapid prototyping apparatus includes a decompressable chamber, a thin layer forming section which supplies powder material from a powder material housing container provided in the chamber to form a thin layer of the powder material, an energy beam source for heating which outputs energy beam for heating which sinters or melts and models the thin layer of the powder material, and a control section which controls the modeling, wherein the control section exposes the powder material to the decompressed atmosphere before starting modeling, and houses the powder material in the powder material housing containers in a divided manner.

    Abstract translation: 粉末快速成型装置包括减压室，薄层形成部分，其从设置在室中的粉末材料容纳容器供应粉末材料以形成粉末材料的薄层，用于加热的能量束源，其将能量束输出 对粉末材料的薄层进行烧结或熔融成型的加热装置和控制成型的控制部，其中控制部在开始建模之前将粉末材料暴露于减压气氛中，并将粉末材料容纳在粉末材料壳体 容器分开。

    POWDER BED FUSION APPARATUS AND CARRYING EVALUATION METHOD THEREFOR
    10.
    发明申请
    POWDER BED FUSION APPARATUS AND CARRYING EVALUATION METHOD THEREFOR 有权

    公开(公告)号：US20230008559A1

    公开(公告)日：2023-01-12

    申请号：US17855178

    申请日：2022-06-30

    Applicant: Aspect Inc.

    Inventor： Henri HIRO ,  Yoshiki OTSUBO

    IPC: B29C64/255 ,  B29C64/153 ,  B29C64/268 ,  B29C64/232 ,  B29C64/295 ,  B29C64/218 ,  B29C64/393 ,  B29C64/321 ,  B33Y30/00 ,  B33Y50/02

    Abstract: A powder bed fusion apparatus according to an embodiment includes: a fabrication container that is provided between first and second storage containers which heat a powder material stored therein to first and second predetermined temperatures, respectively, and that heats the powder material stored therein to a third predetermined temperature higher than the first and second predetermined temperatures, and lets the powder material be irradiated with a laser beam from a laser beam emission unit based on a model to be fabricated; and an evaluation unit that, when the powder material in the first storage container is carried into the fabrication container, evaluates the carrying based on a comparison between a threshold value and a change in the temperature of the powder material stored in the second storage container calculated based on the temperature detected by a temperature measurement device.

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