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公开(公告)号：WO2009072935A1
公开(公告)日：2009-06-11
申请号：PCT/SE2007/001084
申请日：2007-12-06
Applicant: ARCAM AB , ACKELID, Ulf
Inventor： ACKELID, Ulf
CPC classification number: B22F3/1055 , B22F2003/1057 , B22F2998/00 , B29C64/153 , Y02P10/295 , B22F3/003
Abstract: The invention concerns an apparatus (1 ) for producing a three-dimensional object (6) layer by layer using a powdery material which can be solidified by irradiating it with an energy beam (4), said apparatus (1 ) comprising an electron gun (3) for generating said energy beam (4) and a working area (5) onto which the powdery material is distributed and over which the energy beam (4) sweeps during irradiation. The invention is characterized in that the apparatus (1) is provided with a system (12, 14, 16, 18) for feeding controlled amounts of a reactive gas into the apparatus (1) such as to contact the reactive gas with material positioned on the working area (5), said reactive gas being capable of, at least when having been exposed to the energy beam (4), reacting chemically and/or physically with the material positioned on the working area (5). The invention also concerns a method for operating an apparatus of the above type.
Abstract translation: 本发明涉及一种用于使用可通过用能量束（4）照射固化的粉末材料逐层制造三维物体的装置（1），所述装置（1）包括电子枪（ 3），用于产生所述能量束（4）和工作区域（5），粉末材料分布在其上，能量束（4）在照射期间扫过。 本发明的特征在于，所述设备（1）设置有用于将受控量的反应气体输送到所述设备（1）中的系统（12,14,16,18），以将所述反应气体与位于 工作区域（5），所述反应气体能够至少当已经暴露于能量束（4）时，与位于工作区域（5）上的材料进行化学和/或物理反应。 本发明还涉及一种用于操作上述类型的装置的方法。
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公开(公告)号：WO2010095987A1
公开(公告)日：2010-08-26
申请号：PCT/SE2009/050179
申请日：2009-02-18
Applicant: ARCAM AB , ACKELID, Ulf , WALLGREN, Göran
Inventor： ACKELID, Ulf , WALLGREN, Göran
CPC classification number: B22F3/1055 , B22F3/004 , B22F2003/1056 , B22F2998/00 , B29C64/153 , B33Y30/00 , Y02P10/295
Abstract: The invention concerns an apparatus (1) for producing a three-dimensional object layer by layer using a powdery material which can be solidified by irradiating it with an energy beam, such as electromagnetic radiation or an electron beam, said apparatus (1) comprising: a working area (3) onto which layers of powdery material are to be placed; a powder storage unit (11) comprising a base surface (13) for supporting a supply of powder (2); and a powder distribution member (6); wherein the base surface (13) extends along a side of the working area (3), wherein the distribution member (6) extends in a direction along the base surface (13) and said side of the working area (3) and is arranged to be moveable in a plane above, and substantially parallel to, the base surface (13) and the working area (3), and wherein the distribution member (6) is arranged to be moveable into a supply of powder (2) placed onto the base surface (13) such as to bring about a transfer of a portion of powder from a side of the distribution member (6) facing away from the working area (3) to an opposite side of the distribution member (6) facing the working area (3), said distribution member (6) further being arranged to be moveable towards and across the working area (3) so as to distribute the portion of powder onto the working area (3). The invention is characterized in that at least a part (15) of the base surface (13) is arranged to be resilient in a vertical direction.
Abstract translation: 本发明涉及一种用于通过使用能够通过用诸如电磁辐射或电子束的能量束照射来固化的粉末状材料来逐层生产三维物体的装置（1），所述装置（1）包括： 要放置多层粉状材料的工作区域（3）; 粉末存储单元（11），包括用于支撑粉末（2）供应的基面（13）; 和粉末分配构件（6）; 其中所述基面（13）沿着所述工作区域（3）的一侧延伸，其中所述分配构件（6）沿着所述基面（13）和所述工作区域（3）侧的方向延伸，并且布置 能够在基面（13）和工作区域（3）上方并且基本上平行的平面中移动，并且其中分配构件（6）被布置成可移动到放置在 所述基面（13）使得一部分粉末从所述分配构件（6）的背离所述工作区域（3）的一侧转移到所述分配构件（6）的面向所述工作区域 工作区域（3），所述分配构件（6）进一步布置成朝向和跨过工作区域（3）移动，以便将粉末部分分布到工作区域（3）上。 本发明的特征在于，基部表面（13）的至少一部分（15）被布置成在垂直方向上具有弹性。
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公开(公告)号：WO2006121374A1
公开(公告)日：2006-11-16
申请号：PCT/SE2005/000680
申请日：2005-05-11
Applicant: ARCAM AB , WALLGREN, Göran , ACKELID, Ulf , SVENSSON, Mattias
Inventor： WALLGREN, Göran , ACKELID, Ulf , SVENSSON, Mattias
CPC classification number: B22F3/004 , B22F2003/1056 , B22F2999/00 , B29C64/00 , Y02P10/295 , B22F3/1055
Abstract: The invention concerns a powder application system (1) for feeding and distributing a powder over a working area (3) in an apparatus for producing three-dimensional objects, said system (1) comprising a powder storage unit (11) adapted to contain a supply of powder (2) and further comprising a distribution member (6) that is arranged to be moveable across the working area (3) as to distribute a portion of powder onto the working area (3). The invention is characterized in that the distribution member 86) is arranged to be, in a first step, moveable a predetermined distance into a supply of powder (2) placed in the powder storage unit (11), said distance being sufficiently long to bring about a transfer of a portion of powder from the powder supply (2) at one side of the distribution member to another side of the distribution member (6) facing the working area (3), and that the distribution member (6) is arranged to be, in a second step, moveable towards and across the working area (3) as to distribute the portion of powder onto the working area (3).
Abstract translation: 本发明涉及一种用于在用于生产三维物体的设备中的工作区域（3）上供给和分配粉末的粉末施加系统（1），所述系统（1）包括粉末存储单元（11），其适于容纳 供应粉末（2），并且还包括布置成能够跨过工作区域（3）移动的分配构件（6），以将一部分粉末分散到工作区域（3）上。 本发明的特征在于，分配构件86）被布置为在第一步骤中可移动预定距离进入放置在粉末存储单元（11）中的粉末（2）的供应物，所述距离足够长以带来 关于从分配构件的一侧的粉末供应源（2）的一部分转移到面向工作区域（3）的分配构件（6）的另一侧，并且分配构件（6）被布置 在第二步骤中，可以朝向并跨过工作区域（3）移动以将粉末的一部分分布到工作区域（3）上。
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公开(公告)号：WO2017084913A1
公开(公告)日：2017-05-26
申请号：PCT/EP2016/076972
申请日：2016-11-08
Applicant: ARCAM AB
Inventor： NORDKVIST, Johan , ACKELID, Ulf
CPC classification number: B22F3/1055 , B22F3/1017 , B22F2003/1056 , B22F2003/1057 , B22F2998/10 , B22F2999/00 , B23K15/0086 , B23K15/02 , B29C64/153 , B29C64/386 , B33Y10/00 , B33Y30/00 , B33Y50/02 , Y02P10/295 , B22F2203/11
Abstract: The present invention relates to a methods, computer program products, program elements, and apparatuses for forming a three-dimensional article through successively depositing individual layers of powder material that are fused together so as to form the article. The method comprising the steps of providing at least one electron beam source emitting an electron beam for at least one of heating or fusing the powder material, where the electron beam source comprises a cathode and an anode, and varying an accelerator voltage between the cathode and the anode between at least a first and second predetermined value during the forming of the three-dimensional article.
Abstract translation: 本发明涉及一种方法，计算机程序产品，程序元件和装置，用于通过连续地沉积熔合在一起以形成物品的各个粉末材料层来形成三维物品 。 该方法包括以下步骤：提供发射电子束的至少一个电子束源，用于加热或熔化粉末材料中的至少一个，其中电子束源包括阴极和阳极，并且改变阴极和阴极之间的加速电压 在形成三维制品期间，阳极在至少第一和第二预定值之间。
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公开(公告)号：WO2016034343A1
公开(公告)日：2016-03-10
申请号：PCT/EP2015/067682
申请日：2015-07-31
Applicant: ARCAM AB
Inventor： ACKELID, Ulf , LJUNGBLAD, Ulric , LÖWGREN, Lars
CPC classification number: B33Y50/02 , B22F3/1055 , B22F2003/1057 , B29C64/153 , B29C64/386 , B33Y10/00 , Y02P10/295
Abstract: A method for forming at a three-dimensional article through successively depositing individual layers of powder material that are fused together with at least one energy beam so as to form the article, the method comprising the steps of: generating a model of the three-dimensional article; applying a first powder layer on a work table; directing the at least one energy beam from at least one energy 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; introducing a predetermined surface topography on the first cross section for reducing thickness variations and or increasing the powder packing density in a powder layer provided on top of the first cross section.
Abstract translation: 一种通过连续沉积与至少一个能量束熔合在一起以形成物品的粉末材料的各层形成三维制品的方法，所述方法包括以下步骤：产生三维制品的模型 文章; 将第一粉末层施加在工作台上; 将来自至少一个能量束源的所述至少一个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，以形成所述三维制品的第一横截面; 在第一横截面上引入预定的表面形貌，以减小设置在第一横截面顶部的粉末层中的厚度变化和/或增加粉末填充密度。
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Patent Agency Ranking
公开(公告)号：WO2016026674A1
公开(公告)日：2016-02-25
申请号：PCT/EP2015/067645
申请日：2015-07-31
Applicant: ARCAM AB
Inventor： ACKELID, Ulf
IPC: H01J37/18 , B22F3/105 , H01J37/305
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 (21) in which a three-dimensional article (3) is formed. Said method comprising the steps of: providing a vacuum chamber (20a, 20b) having at least a first (20a) and a second (20b) 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 (2) in said first section of said vacuum chamber, directing an electron beam from said at least one electron beam source (6) 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 (from 46, via 44, 50) 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（3）的添加剂制造装置（21）的方法。 所述方法包括以下步骤：提供具有至少第一（20a）和第二（20b）部分的真空室（20a，20b），其中所述第一和第二部分彼此敞开连接，提供预定的真空度 在所述真空室内部，在所述真空室的所述第一部分中的工作台（2）上提供粉末材料层，将来自设置在所述第二部分中的所述至少一个电子束源（6）的电子束引导到所述工作 工作台根据所述模型在第一选定位置熔化以形成所述三维制品的第一横截面，当所述真空室打开以用于禁止环境时，用干燥气体（从46，经由44,50）吹扫所述第二部分 空气进入第二部分。
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公开(公告)号：WO2014071968A1
公开(公告)日：2014-05-15
申请号：PCT/EP2012/071930
申请日：2012-11-06
Applicant: ARCAM AB , ACKELID, Ulf
Inventor： ACKELID, Ulf
CPC classification number: B22F1/0085 , B22F3/1055 , B22F2003/1056 , B28B1/001 , B28B17/026 , B29B13/065 , B29C64/153 , B29C64/20 , B29K2105/251 , B33Y10/00 , B33Y40/00 , Y02P10/295
Abstract: The present invention relates to a method for removing moisture from powder to be used in an additive manufacturing process 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, which parts corresponds to successive cross sections of the three- dimensional article,characterized in that said method comprising the steps of: providing at least a first powder tank and at least at least a second powder tank,providing a predetermined amount of powder on a movable table inside said first powder tank,heating the top surface of the powder in said first powder tank to a predetermined temperature interval for removing moisture from said powder, raising said movable table a predetermined distance, moving a predetermined thickness of the powder material from said first powder tank to said second powder tank.
Abstract translation: 本发明涉及一种用于从粉末中除去水分的方法，用于通过连续熔化设置在工作台上的至少一层粉末床的部分形成三维制品的添加剂制造过程中，这些部件对应于 到所述三维制品的连续横截面，其特征在于，所述方法包括以下步骤：提供至少第一粉末罐和至少第二粉末罐，在所述第二粉末罐内的所述可移动台上提供预定量的粉末 将所述第一粉罐中的粉末的上表面加热到预定的温度间隔，以从所述粉末中除去水分，将所述可移动台升高预定距离，将预定厚度的粉末材料从所述第一粉罐移动到 说第二个粉罐。
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8.发明申请
公开(公告)号：WO2018197551A1
公开(公告)日：2018-11-01
申请号：PCT/EP2018/060575
申请日：2018-04-25
Applicant: ARCAM AB
Inventor： ACKELID, Ulf , ELFSTRÖM, Isak
IPC: B22F3/105 , B33Y10/00 , B33Y30/00 , B29C64/153 , B29C64/20
Abstract: The present invention relates to an apparatus for forming a three-dimensional article through successively depositing individual layers of powder material that are fused together so as to form the article, the apparatus comprising an electron beam source emanating an electron beam for fusing the powder material in a build tank, a hollow construction having an upper opening and a lower opening, means for moving the hollow construction between a first position and a second position, a synchronising unit for synchronising the movement of a powder distributor for applying the individual layers of powder material on the work table with the movement of the hollow construction so that the hollow metal construction is at the first position when fusing and/or heating the powder layer and at the second position when the powder distributor is distributing the powder material for forming the individual powder layers.
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公开(公告)号：WO2018077740A1
公开(公告)日：2018-05-03
申请号：PCT/EP2017/076831
申请日：2017-10-20
Applicant: ARCAM AB
Inventor： ACKELID, Ulf
Abstract: A method for forming at least one three-dimensional article through successive fusion of parts of a powder bed, the method comprising the steps of: providing a model of the at least one three dimensional article; applying a first powder layer on at least one build platform; directing an electron beam from an inclined electron beam source over the at least one build platform where a central electron beam emanating from the source is building an angle α with respect to a normal to the build platform ≠0º, the directing of the first energy beam causing the first powder layer to fuse in a first selected locations according to the model; rotating or tilting the electron beam source a predetermined angle, directing the electron beam from the tilted or rotated electron beam source causing a first powder layer to fuse in a second selected locations according to the model.
Abstract translation: 一种用于通过粉末床的各部分的连续熔合来形成至少一个三维制品的方法，所述方法包括以下步骤：提供所述至少一个三维制品的模型; 在至少一个构建平台上施加第一粉末层; 将来自倾斜电子束源的电子束引导到至少一个构建平台上，其中从源发出的中心电子束相对于构建平台的法线构建角度α，第一能量的引导 根据所述模型使所述第一粉末层熔合在第一选定位置中; 旋转或倾斜电子束源预定角度，引导电子束从倾斜或旋转的电子束源引起第一粉末层根据模型在第二选定位置熔合。
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10.发明申请METHOD FOR ADDITIVE MANUFACTURING USING HYDROGENATED TITANIUM POWDER IN EBM 审中-公开在EBM中使用氢化钛粉的添加剂制造方法
公开(公告)号：WO2017202721A1
公开(公告)日：2017-11-30
申请号：PCT/EP2017/062120
申请日：2017-05-19
Applicant: ARCAM AB
Inventor： ACKELID, Ulf
Abstract: A method comprising the steps of: distributing a titanium alloy or pure titanium powder layer on a work table inside a vacuum chamber, directing at least one electron beam from at least one electron beam source over the work table causing the powder layer to fuse in selected locations, distributing a second powder layer on the work table of a titanium alloy or pure titanium inside the build chamber, directing the at least one electron beam over the work table causing the second powder layer to fuse in selected locations, and releasing a predefined concentration of the gas from the metal powder into the vacuum chamber when at least one of heating or fusing the metal powder layer, wherein at least one gas comprising hydrogen is absorbed into or chemically bonded to the titanium or titanium alloy powder to a concentration of 0.01-0.5 % by weight of the hydrogen.
Abstract translation: 一种方法，包括以下步骤：在真空室内的工作台上分配钛合金或纯钛粉末层，将来自至少一个电子束源的至少一个电子束引导到工作台上 使粉末层在选定的位置熔合，将第二粉末层分布在构建室内的钛合金或纯钛的工作台上，将至少一个电子束引导到工作台上，使第二粉末层熔入 并且当加热或熔化金属粉末层中的至少一种时，将预定浓度的气体从金属粉末释放到真空室中，其中至少一种含氢气体被吸收或化学结合到钛或钛 合金粉末浓度为氢气重量的0.01-0.5％。
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