公开(公告)号：US12151286B2

公开(公告)日：2024-11-26

申请号：US17349997

申请日：2021-06-17

Applicant: ARCAM AB

Inventor： Anders Snis

IPC: B22F10/31 ,  B22F10/85 ,  B22F12/30 ,  B22F12/41 ,  B22F12/45 ,  B22F12/90 ,  B33Y30/00 ,  B33Y50/02

Abstract: Devices, systems and methods for calibrating and operating an additive manufacturing system are disclosed. A calibration system for an electron beam additive manufacturing system having a plurality of electron beam guns includes a calibration probe positioned in a build chamber of the electron beam additive manufacturing system, a sensing device positioned to measure and acquire a response generated as a result of impingement of electron beams emitted from the plurality of electron beam guns on the calibration probe, the sensing device generating a response signal as a result of the measured and acquired response, and an analysis component communicatively coupled to the sensing device and programmed to analyze and evaluate the response signal.

公开(公告)号：US20220402035A1

公开(公告)日：2022-12-22

申请号：US17349997

申请日：2021-06-17

Applicant: ARCAM AB

Inventor： Anders Snis

IPC: B22F10/31 ,  B22F10/85 ,  B22F12/30 ,  B22F12/41 ,  B22F12/45 ,  B22F12/90 ,  B33Y50/02

Abstract: Devices, systems and methods for calibrating and operating an additive manufacturing system are disclosed. A calibration system for an electron beam additive manufacturing system having a plurality of electron beam guns includes a calibration probe positioned in a build chamber of the electron beam additive manufacturing system, a sensing device positioned to measure and acquire a response generated as a result of impingement of electron beams emitted from the plurality of electron beam guns on the calibration probe, the sensing device generating a response signal as a result of the measured and acquired response, and an analysis component communicatively coupled to the sensing device and programmed to analyze and evaluate the response signal.

公开(公告)号：US20220176458A1

公开(公告)日：2022-06-09

申请号：US17682226

申请日：2022-02-28

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

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).

公开(公告)号：US09664505B2

公开(公告)日：2017-05-30

申请号：US15077200

申请日：2016-03-22

Applicant: Arcam AB

Inventor： Anders Snis

IPC: G01J5/02 ,  G01B11/14 ,  B23K15/00 ,  B23K26/04 ,  B22F3/105 ,  G01B11/00 ,  G01B15/00 ,  G01P3/36 ,  G01P21/00 ,  B23K15/02 ,  B23K26/03 ,  B23K26/046 ,  B23K26/70 ,  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.

公开(公告)号：US09664504B2

公开(公告)日：2017-05-30

申请号：US15077155

申请日：2016-03-22

Applicant: Arcam AB

Inventor： Anders Snis

IPC: G01J5/02 ,  G01B11/14 ,  B23K15/00 ,  B23K26/04 ,  B22F3/105 ,  G01B11/00 ,  G01B15/00 ,  G01P3/36 ,  G01P21/00 ,  B23K15/02 ,  B23K26/03 ,  B23K26/046 ,  B23K26/70 ,  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 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.

公开(公告)号：US09347770B2

公开(公告)日：2016-05-24

申请号：US14750779

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 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.

Abstract translation: 一种用于验证能量束点的尺寸的方法，所述方法包括以下步骤：在工件上的第一位置处提供具有预定尺寸和功率的第一束斑，改变所述第一和第二像素的焦点和/或像散透镜设置 检测到光束点的最大强度的光束点，将所述聚焦透镜和/或散光透镜的检测设置与所述光束点的所述最大强度的比较与所述聚焦透镜和/或用于光束点的散光透镜的存储设置进行比较， 所述预定尺寸和功率，对于不同的预定光束功率重复步骤ac，对所述工件上的不同位置重复步骤ad，其中如果所述聚焦透镜和/或像散透镜的每个检测到的设置偏离小于 来自所述聚焦透镜和/或像散透镜的相应存储设置的预定值。

公开(公告)号：US09897513B2

公开(公告)日：2018-02-20

申请号：US15495318

申请日：2017-04-24

Applicant: ARCAM AB

Inventor： Anders Snis

IPC: G01J5/02 ,  G01M11/02 ,  B23K15/00 ,  B23K26/03 ,  B23K26/342 ,  B23K26/046 ,  B23K15/02 ,  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 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.

公开(公告)号：US20170227417A1

公开(公告)日：2017-08-10

申请号：US15495318

申请日：2017-04-24

Applicant: ARCAM AB

Inventor： Anders Snis

IPC: G01M11/02 ,  B23K26/03 ,  B33Y50/02 ,  B23K26/046 ,  B23K15/02 ,  B23K15/00 ,  B23K26/342

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.

公开(公告)号：US20160202042A1

公开(公告)日：2016-07-14

申请号：US15077155

申请日：2016-03-22

Applicant: Arcam AB

Inventor： Anders Snis

IPC: G01B11/14

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.

Abstract translation: 一种用于验证能量束点的尺寸的方法，所述方法包括以下步骤：在工件上的第一位置处提供具有预定尺寸和功率的第一束斑，改变所述第一和第二像素的焦点和/或像散透镜设置 检测到光束点的最大强度的光束点，将所述聚焦透镜和/或散光透镜的检测设置与所述光束点的所述最大强度的比较与所述聚焦透镜和/或用于光束点的散光透镜的存储设置进行比较， 所述预定尺寸和功率，对于不同的预定光束功率重复步骤ac，对所述工件上的不同位置重复步骤ad，其中如果所述聚焦透镜和/或像散透镜的每个检测到的设置偏离小于 来自所述聚焦透镜和/或像散透镜的相应存储设置的预定值。

公开(公告)号：US09310188B2

公开(公告)日：2016-04-12

申请号：US14750752

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 deflection speed of an energy beam spot, the method comprising the steps of: providing a predetermined pattern on a work table with the energy beam spot while deflecting the energy beam spot with a first deflection speed, detecting first positions of the energy beam spot on the work table created with the first deflection speed, providing the predetermined pattern on a work table with the energy beam spot while deflecting the energy beam spot with a second deflection speed, detecting second positions of the energy beam spot on the work table created with the second deflection speed, comparing the first and second positions, wherein the deflection speed is verified if each one of the first positions are deviating less than a predetermined distance from corresponding second positions.

Abstract translation: 一种用于验证能量束点的偏转速度的方法，所述方法包括以下步骤：在具有能量束点的工作台上提供预定图案，同时以第一偏转速度偏转能量束点，检测第一位置 在工作台上以第一偏转速度产生能量束斑，在工作台上提供能量束点的预定图案，同时以第二偏转速度偏转能量束点，检测能量束点在工件上的第二位置 以第二偏转速度产生的台，比较第一和第二位置，其中如果每个第一位置偏离小于相应的第二位置的预定距离，则验证偏转速度。