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公开(公告)号：US20160202043A1
公开(公告)日：2016-07-14
申请号：US15077200
申请日：2016-03-22
Applicant: Arcam AB
Inventor： Anders Snis
CPC classification number: G01M11/02 , B22F3/1055 , B22F2003/1057 , B23K15/0013 , B23K15/0086 , B23K15/02 , B23K26/032 , B23K26/04 , B23K26/046 , B23K26/082 , B23K26/342 , B23K26/70 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , G01B11/00 , G01B11/14 , G01B15/00 , G01P3/36 , G01P21/00 , H01J37/244
Abstract: A method for verifying a position of an energy beam spot, said method comprising the steps of: providing a calibrated energy beam having a first focus in a at least two positions at a work table, detecting said at least two positions of said energy beam spot on said work table created with said energy beam having said first focus, providing said calibrated energy beam having a second focus in said at least two positions at a work table, detecting said at least two positions of said energy beam spot on said work table created with said energy beam having said second focus, comparing said at least two positions created with said first and second focus, wherein said position of the energy beam is verified if said positions created with said first focus are deviating less than a predetermined distance from said positions created with said second focus.
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公开(公告)号：US09341467B2
公开(公告)日：2016-05-17
申请号：US14750713
申请日：2015-06-25
Applicant: Arcam AB
Inventor： Anders Snis
IPC: G01J5/02 , G01B11/14 , B22F3/105 , G01B11/00 , G01B15/00 , G01P3/36 , G01P21/00 , B23K15/02 , B23K26/03 , B23K26/04 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B33Y40/00
CPC classification number: G01M11/02 , B22F3/1055 , B22F2003/1057 , B23K15/0013 , B23K15/0086 , B23K15/02 , B23K26/032 , B23K26/04 , B23K26/046 , B23K26/082 , B23K26/342 , B23K26/70 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , G01B11/00 , G01B11/14 , G01B15/00 , G01P3/36 , G01P21/00 , H01J37/244
Abstract: A method for verifying a position of an energy beam spot, said method comprising the steps of: providing a calibrated energy beam having a first focus in a at least two positions at a work table, detecting said at least two positions of said energy beam spot on said work table created with said energy beam having said first focus, providing said calibrated energy beam having a second focus in said at least two positions at a work table, detecting said at least two positions of said energy beam spot on said work table created with said energy beam having said second focus, comparing said at least two positions created with said first and second focus, wherein said position of the energy beam is verified if said positions created with said first focus are deviating less than a predetermined distance from said positions created with said second focus.
Abstract translation: 一种用于验证能量束点的位置的方法，所述方法包括以下步骤：提供在工作台处的至少两个位置具有第一焦点的校准能量束，检测所述能量束点的所述至少两个位置 在具有所述第一焦点的所述能量束产生的所述工作台上，在工作台上在所述至少两个位置提供所述校准能量束具有第二焦点，检测所述工作台上所述能量束点的所述至少两个位置， 所述能量束具有所述第二焦点，比较由所述第一和第二焦点创建的所述至少两个位置，其中所述能量束的所述位置被验证，如果所述第一焦点产生的所述位置偏离小于距所述位置的预定距离 用第二个焦点创建。
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公开(公告)号：US20160054115A1
公开(公告)日：2016-02-25
申请号：US14750713
申请日：2015-06-25
Applicant: Arcam AB
Inventor： Anders Snis
CPC classification number: G01M11/02 , B22F3/1055 , B22F2003/1057 , B23K15/0013 , B23K15/0086 , B23K15/02 , B23K26/032 , B23K26/04 , B23K26/046 , B23K26/082 , B23K26/342 , B23K26/70 , B33Y10/00 , B33Y30/00 , B33Y40/00 , B33Y50/02 , G01B11/00 , G01B11/14 , G01B15/00 , G01P3/36 , G01P21/00 , H01J37/244
Abstract: A method for verifying a position of an energy beam spot, said method comprising the steps of: providing a calibrated energy beam having a first focus in a at least two positions at a work table, detecting said at least two positions of said energy beam spot on said work table created with said energy beam having said first focus, providing said calibrated energy beam having a second focus in said at least two positions at a work table, detecting said at least two positions of said energy beam spot on said work table created with said energy beam having said second focus, comparing said at least two positions created with said first and second focus, wherein said position of the energy beam is verified if said positions created with said first focus are deviating less than a predetermined distance from said positions created with said second focus.
Abstract translation: 一种用于验证能量束点的位置的方法，所述方法包括以下步骤：提供在工作台处的至少两个位置具有第一焦点的校准能量束，检测所述能量束点的所述至少两个位置 在具有所述第一焦点的所述能量束产生的所述工作台上，在工作台上在所述至少两个位置提供所述校准能量束具有第二焦点，检测所述工作台上所述能量束点的所述至少两个位置， 所述能量束具有所述第二焦点，比较由所述第一和第二焦点创建的所述至少两个位置，其中所述能量束的所述位置被验证，如果所述第一焦点产生的所述位置偏离小于距所述位置的预定距离 用第二个焦点创建。
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公开(公告)号：US20160052079A1
公开(公告)日：2016-02-25
申请号：US14750797
申请日：2015-06-25
Applicant: Arcam AB
Inventor： Ulf Ackelid
CPC classification number: B23K15/0086 , B22F3/1055 , B22F2003/1056 , B29C64/153 , B29C64/20 , B33Y10/00 , B33Y30/00 , B33Y50/00 , H01J37/18 , H01J37/305 , H01J2237/182 , Y02P10/295
Abstract: Various embodiments of the present invention relate to a method for operating an additive manufacturing apparatus in which a three-dimensional article is formed. Said method comprising the steps of: providing a vacuum chamber having at least a first and a second section, wherein said first and second sections are openly connected to each other, providing a predetermined vacuum level inside said vacuum chamber, providing a layer of powder material on a work table in said first section of said vacuum chamber, directing an electron beam from said at least one electron beam source provided in said second section over said work table to fuse in first selected locations according to said model to form a first cross section of said three-dimensional article, purging said second section with a dry gas when said vacuum chamber is open for prohibiting ambient air into said second section.
Abstract translation: 本发明的各种实施例涉及一种用于操作其中形成三维制品的添加剂制造装置的方法。 所述方法包括以下步骤：提供具有至少第一和第二部分的真空室，其中所述第一和第二部分彼此敞开连接，在所述真空室内提供预定的真空度，提供一层粉末材料 在所述真空室的所述第一部分的工作台上，将设置在所述第二部分中的所述至少一个电子束源的电子束引导到所述工作台上，以根据所述模型在第一选定位置熔化，以形成第一横截面 的所述三维制品，当所述真空室打开以用于禁止环境空气进入所述第二部分时，用干燥气体吹扫所述第二部分。
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公开(公告)号：US20150004045A1
公开(公告)日：2015-01-01
申请号：US14299887
申请日：2014-06-09
Applicant: Arcam AB
Inventor： Ulric Ljungblad
CPC classification number: B22F3/1035 , B22F3/003 , B22F3/1055 , B22F2003/1057 , Y02P10/295
Abstract: A method for forming a three-dimensional article comprising the steps of: applying a model of the three dimensional article, applying a first powder layer on a work table, directing a first electron beam from a first electron beam source over the work table causing the first powder layer to fuse in first selected locations according to the model to form a first cross section of the three-dimensional article, directing a second electron beam from a second electron beam source over the work table, registering at least one setting of the first electron beam source, registering at least one setting of the second electron beam source, correcting the position of the second electron beam depending on the at least one setting of the first electron beam source and the at least one setting of the second electron beam source.
Abstract translation: 一种用于形成三维制品的方法，包括以下步骤：施加三维制品的模型，在工作台上施加第一粉末层，将来自第一电子束源的第一电子束引导到工作台上， 第一粉末层，以根据模型在第一选定位置熔化，形成三维制品的第一横截面，将来自第二电子束源的第二电子束引导到工作台上，注册至少一个第一 电子束源，记录第二电子束源的至少一个设置，根据第一电子束源的至少一个设置和第二电子束源的至少一个设置校正第二电子束的位置。
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Patent Agency Ranking
公开(公告)号：US20140348691A1
公开(公告)日：2014-11-27
申请号：US14244503
申请日：2014-04-03
Applicant: ARCAM AB
Inventor： Ulric Ljungblad , Anders Snis
CPC classification number: B22F3/1055 , B22F2003/1056 , B29C64/153 , B33Y10/00 , B33Y30/00 , Y02P10/295
Abstract: A method for forming a three-dimensional article through successive fusion of parts of a powder bed, which parts corresponds to successive cross sections of the three-dimensional article, said method comprising the steps of: providing a model of said three dimensional article, providing a first powder layer on a work table, directing a first energy beam from a first energy beam source over said work table causing said first powder layer to fuse in first selected locations according to said model to form a first cross section of said three-dimensional article, directing a second energy beam from a second energy beam source over said work table causing said first powder layer to fuse in second selected locations according to said model to form the first cross section of said three-dimensional article, wherein said first and second locations of said first powder layer are at least partially overlapping each other.
Abstract translation: 一种通过连续融合粉末床部分形成三维制品的方法，该部分对应于三维制品的连续横截面，所述方法包括以下步骤：提供所述三维制品的模型，提供 在工作台上的第一粉末层，将来自第一能量束源的第一能量束引导到所述工作台上，使得所述第一粉末层根据所述模型在第一选定位置融合，以形成所述三维的第一横截面 将来自第二能量束源的第二能量束引导到所述工作台上，使得所述第一粉末层根据所述模型在第二选定位置融合，以形成所述三维制品的第一横截面，其中所述第一和第二 所述第一粉末层的位置至少部分地彼此重叠。
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37.发明授权公开(公告)号：US08570534B1
公开(公告)日：2013-10-29
申请号：US13763172
申请日：2013-02-08
Applicant: ARCAM AB
Inventor： Lars Loewgren
IPC: G01B11/14
CPC classification number: G01B11/14 , B22F3/1055 , B22F2003/1056 , B22F2003/1059 , B29C64/20 , B33Y40/00 , Y02P10/24 , Y02P10/295
Abstract: A method for providing safety protection in an additive manufacturing apparatus for forming a three-dimensional article through successive fusion of parts of a powder bed in an enclosable chamber, which parts corresponds to successive cross sections of the three-dimensional article is provided. The method comprising the steps of providing a position detecting device connected to a control unit to detect whether a foreign matter is within the enclosable chamber. The method may also include, upon detecting that the foreign matter is within the enclosable chamber, either (1) switching off, via the control unit, at least one device associated with the additive manufacturing apparatus; or (2) providing power to a powder suction device. Associated safety protection devices are also provided.
Abstract translation: 提供了一种用于在添加剂制造装置中提供安全保护的方法，该添加剂制造装置通过在可封闭室中连续熔融粉末床的部分形成三维制品，该部分对应于三维制品的连续横截面。 该方法包括以下步骤：提供连接到控制单元的位置检测装置，以检测异物是否在可封闭室内。 该方法还可以包括在检测到异物在可封闭室内时，（1）经由控制单元关闭与添加剂制造设备相关联的至少一个设备; 或（2）向粉末抽吸装置提供动力。 还提供了相关的安全保护装置。
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公开(公告)号：US12269092B2
公开(公告)日：2025-04-08
申请号：US17296590
申请日：2019-03-01
Applicant: Arcam AB
Inventor： Safdar Ali , Kristofer Karlsson
IPC: B22F10/85 , B22F10/28 , B22F10/368 , B22F12/41 , B22F12/44 , B33Y10/00 , H01J37/09 , H01J37/21 , H01J37/305 , B22F12/00 , B22F12/49 , B33Y30/00 , B33Y50/02
Abstract: An apparatus for forming a three-dimensional article through successively depositing individual layers of powder material that are fused together with an electron beam from an electron beam source so as to form the article according to a computer model thereof. The apparatus includes a chamber a chamber having a first section and a second section openly connected to each other. The first section is configured to receive the individual layers of powder material. The second section comprising an electron beam source, an electromagnetic focus coil having an axially extending, and a reflector coil. The electron beam source is configured to emit an electron beam to fuse the individual layers of powder material. The reflector coil is arranged radially outside the electromagnetic focus coil. The direction of windings of the reflector coil is opposite a direction of windings of the electromagnetic focus coil.
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公开(公告)号：US12151436B2
公开(公告)日：2024-11-26
申请号：US17089835
申请日：2020-11-05
Applicant: Arcam AB
Inventor： Stefan Olausson , Håkan Sjölander
Abstract: A blast nozzle for a depowdering apparatus includes an abrasive material inlet fluidly connected to an abrasive material outlet and a fluid inlet fluidly connected to a fluid outlet, where the fluid outlet at least partially surrounds the abrasive material outlet. The fluid outlet is angled with respect to the abrasive material outlet and configured to emit a fluid stream directed to a focal point, the focal point being laterally spaced apart from the blast nozzle in a fluid flow direction.
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公开(公告)号：US12103079B2
公开(公告)日：2024-10-01
申请号：US17416185
申请日：2019-03-04
Applicant: Arcam AB
Inventor： Jonas Hellgren
IPC: B22F12/49 , B22F10/28 , B22F10/366 , B22F10/85 , B22F12/90 , B23K26/03 , B23K26/046 , B23K26/06 , B23K26/08 , B23K26/082 , B33Y10/00 , B33Y30/00 , B33Y50/02 , H04N7/18
CPC classification number: B22F12/49 , B22F10/28 , B22F10/366 , B23K26/032 , B23K26/046 , B33Y10/00 , B33Y30/00 , B33Y50/02 , H04N7/18 , B22F10/85 , B22F12/90 , B23K26/0665 , B23K26/082 , B23K26/083
Abstract: An apparatus for forming at least one three-dimensional article through successive fusion of parts of a powder bed, which parts corresponds to successive cross sections of the three-dimensional article, the apparatus comprising: a powder distributor configured for evenly distributing a layer of powder on top of a work table provided inside a build chamber; and at least one high energy beam source emanating at least one high energy beam configured for fusing the powder layer in selected locations corresponding to the cross section of the three-dimensional article, wherein the apparatus further comprising at least one target area arranged spaced apart from the layer of powder for emanating light when irradiated by the at least one high energy beam.
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