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公开(公告)号：US20160054121A1
公开(公告)日：2016-02-25
申请号：US14750779
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 size of an energy beam spot, said method comprising the steps of providing a first beam spot having a predetermined size and power at a first position on a work piece, varying a focus and/or astigmatism lens setting for said first beam spot until max intensity for the beam spot is detected, comparing the detected settings of said focus lens and/or astigmatism lens for said maximum intensity of the beam spot with stored settings of said focus lens and/or astigmatism lens for the beam spot with said predetermined size and power, repeating step a-c for different predetermined beam powers, repeating step a-d for different positions on said work piece, wherein said beam spot size is verified if each detected settings of said focus lens and/or astigmatism lens are deviating less than a predetermined value from corresponding stored settings of said focus lens and/or astigmatism lens.
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公开(公告)号：US20150151490A1
公开(公告)日：2015-06-04
申请号：US14618748
申请日：2015-02-10
Applicant: Arcam AB
Inventor： Daniel Jonasson , Morgan Larsson , Ulf Ackelid , Anders Snis , Tomas Lock
IPC: B29C67/00
CPC classification number: B29C64/20 , B22F3/1055 , B22F2003/1056 , B22F2003/1057 , B22F2999/00 , B29C64/153 , B29C64/386 , B29C64/393 , B29L2009/00 , B33Y30/00 , Y02P10/295 , B22F2203/03
Abstract: The invention concerns an apparatus (1) for producing three-dimensional objects (6) layer by layer using a powdery material which can be solidified by irradiating it with a beam (4) of charged particles, said apparatus (1) comprising means for successive application of powder layers to a work table, and a radiation gun (3) for delivering said beam (4) of charged particles, wherein the inventive apparatus (1) comprises a powder-lifting detection device (10, 10 a, 10 b, 10 c, 10 d, 10 e) capable of generating a signal (S) upon detection of lifting of powdery material from the working area (5).
Abstract translation: 本发明涉及一种用于使用粉末材料逐层生产三维物体（6）的装置（1），该粉末材料可以通过用带电粒子束（4）照射而固化，所述装置（1）包括用于连续 将粉末层施加到工作台上，以及用于输送所述带电粒子束（4）的辐射枪（3），其中本发明的设备（1）包括粉末起重检测装置（10,10a，10b， 10c，10d，10e），其能够在检测到从工作区域（5）提起粉末材料时产生信号（S）。
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公开(公告)号：US20140314609A1
公开(公告)日：2014-10-23
申请号：US14230957
申请日：2014-03-31
Applicant: Arcam AB
Inventor： Ulric Ljungblad , Lars Loewgren , Anders Snis , Mattias Fager
CPC classification number: B22F3/1055 , B22F3/12 , B22F2003/1056 , B23K15/00 , B29C64/153 , Y02P10/295
Abstract: An apparatus for forming at least one three-dimensional article by fusing parts of a powder bed layer-wise. The apparatus comprising a powder distributor and an energy beam for fusing the powder layer. Said powder distributor comprises a first part being an elongated rod provided movable at a predetermined distance above the powder bed and with its central axis in parallel with a top surface of said work table and second part being a metal foil having at least a first and a second opposite edge portions. Said metal foil is provided between said elongated rod and said work table, said first and second opposite edge portions are attached to said elongated rod so that a distance between said first and second edge portions is smaller than the distance between said first and second edge portions of said metal foil when said metal foil is in a flat position.
Abstract translation: 一种用于通过将粉末床的部分层压成型来形成至少一个三维制品的装置。 该装置包括粉末分配器和用于熔化粉末层的能量束。 所述粉末分配器包括第一部分，所述第一部分是细长杆，其设置成可在所述粉末床的上方以预定距离移动，并且其中心轴与所述工作台的顶表面平行;第二部分是金属箔，其具有至少第一和第 第二相对边缘部分。 所述金属箔设置在所述细长杆和所述工作台之间，所述第一和第二相对边缘部分附接到所述细长杆，使得所述第一和第二边缘部分之间的距离小于所述第一和第二边缘部分之间的距离 当所述金属箔处于平坦位置时。
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公开(公告)号：US11925983B2
公开(公告)日：2024-03-12
申请号：US17350026
申请日：2021-06-17
Applicant: ARCAM AB
Inventor： Anders Snis
IPC: B22F10/31 , B22F10/85 , B22F12/33 , B22F12/41 , B22F12/45 , B22F12/52 , B22F12/90 , B33Y10/00 , B33Y30/00 , B33Y50/02 , H01J37/22 , H01J37/304 , B22F10/28
CPC classification number: B22F10/31 , B22F10/85 , B22F12/33 , B22F12/41 , B22F12/45 , B22F12/52 , B22F12/90 , B33Y10/00 , B33Y30/00 , B33Y50/02 , H01J37/222 , H01J37/304 , B22F10/28 , H01J2237/30433
Abstract: Calibration systems, additive manufacturing systems employing the same, and methods of calibrating include a plurality of electron beam guns. One calibration system includes an imaging device positioned to capture one or more images of an impingement of electron beams emitted from the plurality of electron beam guns on a surface within a build chamber of the electron beam additive manufacturing system and an analysis component communicatively coupled to the imaging device. The analysis component is programmed to receive image data corresponding to the one or more images, determine one or more calibration parameters from the image data, and transmit one or more instructions to the plurality of electron beam guns in accordance with the one or more calibration parameters.
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公开(公告)号：US11292062B2
公开(公告)日：2022-04-05
申请号：US15967155
申请日：2018-04-30
Applicant: Arcam AB
Inventor： Anders Snis
IPC: B22F12/00 , B33Y10/00 , B33Y30/00 , B33Y50/02 , B23K15/00 , B29C64/268 , B23K15/06 , B29C64/277 , B23K26/082 , B22F3/10 , B23K26/08 , C22C1/04 , B22F10/10
Abstract: A method for producing three-dimensional objects layer by layer using a powdery material which can be solidified by irradiating it with at least two electron beams, said method comprises a pre-heating step, wherein the pre-heating step comprises the sub-step of scanning a pre-heating powder layer area (100) by scanning a first electron beam in a first region (I) and by scanning a second electron beam in a second region (II) distributed over the pre-heating powder layer area (100), wherein consecutively scanned paths are separated by, at least, a security distance (ΔY), said sub-step further comprising the step of synchronising the preheating of said first and second electron beams when simultaneously preheating said powder material within said first and second regions respectively, so that said first and second electron beams are always separated to each other with at least a minimum security distance (ΔX).
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Patent Agency Ranking
公开(公告)号：US09915583B2
公开(公告)日：2018-03-13
申请号：US15495331
申请日：2017-04-24
Applicant: ARCAM AB
Inventor： Anders Snis
IPC: G01J5/02 , G01M11/02 , B23K15/00 , B23K26/082 , B23K26/03 , B23K26/046 , B23K15/02 , B23K26/342 , B33Y50/02 , H01J37/244
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：US09782933B2
公开(公告)日：2017-10-10
申请号：US14618748
申请日：2015-02-10
Applicant: Arcam AB
Inventor： Daniel Jonasson , Morgan Larsson , Ulf Ackelid , Anders Snis , Tomas Lock
IPC: B29C64/393 , B29C67/00 , B22F3/105 , B29C64/153 , B29C64/20 , B29C64/386 , B33Y30/00 , B29L9/00
CPC classification number: B29C64/20 , B22F3/1055 , B22F2003/1056 , B22F2003/1057 , B22F2999/00 , B29C64/153 , B29C64/386 , B29C64/393 , B29L2009/00 , B33Y30/00 , Y02P10/295 , B22F2203/03
Abstract: The invention concerns an apparatus (1) for producing three-dimensional objects (6) layer by layer using a powdery material which can be solidified by irradiating it with a beam (4) of charged particles, said apparatus (1) comprising means for successive application of powder layers to a work table, and a radiation gun (3) for delivering said beam (4) of charged particles, wherein the inventive apparatus (1) comprises a powder-lifting detection device (10, 10a, 10b, 10c, 10d, 10e) capable of generating a signal (S) upon detection of lifting of powdery material from the working area (5).
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公开(公告)号：US09676031B2
公开(公告)日：2017-06-13
申请号：US14230957
申请日：2014-03-31
Applicant: Arcam AB
Inventor： Ulric Ljungblad , Lars Loewgren , Anders Snis , Mattias Fager
CPC classification number: B22F3/1055 , B22F3/12 , B22F2003/1056 , B23K15/00 , B29C64/153 , Y02P10/295
Abstract: An apparatus for forming at least one three-dimensional article by fusing parts of a powder bed layer-wise. The apparatus comprising a powder distributor and an energy beam for fusing the powder layer. Said powder distributor comprises a first part being an elongated rod provided movable at a predetermined distance above the powder bed and with its central axis in parallel with a top surface of said work table and second part being a metal foil having at least a first and a second opposite edge portions. Said metal foil is provided between said elongated rod and said work table, said first and second opposite edge portions are attached to said elongated rod so that a distance between said first and second edge portions is smaller than the distance between said first and second edge portions of said metal foil when said metal foil is in a flat position.
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公开(公告)号：US09415443B2
公开(公告)日：2016-08-16
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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30.发明申请公开(公告)号：US20150071809A1
公开(公告)日：2015-03-12
申请号：US14252984
申请日：2014-04-15
Applicant: Arcam AB
Inventor： Johan Nordkvist , Ulf Ackelid , Anders Snis
CPC classification number: B22F1/0014 , B22F3/008 , B22F3/1055 , B22F2003/1056 , B22F2003/1059 , B23K15/0086 , B23K26/342 , B28B1/001 , B29C64/153 , Y02P10/24 , Y02P10/295
Abstract: The present invention relates to a method for forming a three-dimensional article through successive fusion of parts of at least one layer of a powder bed provided on a work table. Said method comprising the steps of: providing at least a first and second powder tank, providing a first type of powder in said first powder tank having a first particle size distribution, providing a second type of powder in said second powder tank having a second particle size distribution, providing a first sub-layer of said first type of powder on said work table, providing a second sub-layer of said second type of powder on top of said first layer of said first type of powder, fusing said first and second sub-layers simultaneously with a high energy beam from a high energy beam source for forming a first cross section of said three-dimensional article.
Abstract translation: 本发明涉及通过连续融合设置在工作台上的至少一层粉末床的部分来形成三维制品的方法。 所述方法包括以下步骤：提供至少第一和第二粉末罐，在所述第一粉末槽中提供具有第一粒度分布的第一类型的粉末，在所述第二粉末槽中提供第二类型的粉末，其具有第二颗粒 在所述工作台上提供所述第一类粉末的第一子层，在所述第一类粉末的第一层的顶部上提供所述第二类型粉末的第二子层，将所述第一和第二粉末熔化 子层与来自高能束源的高能束同时形成所述三维制品的第一横截面。
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