公开(公告)号：US12172372B2

公开(公告)日：2024-12-24

申请号：US18514899

申请日：2023-11-20

Applicant: EOS GmbH Electro Optical Systems

Inventor： Thomas Mattes ,  Stefan Paternoster ,  Gerd Cantzler ,  Jochen Philippi ,  Stephan Gronenborn ,  Gero Heusler ,  Holger Moench ,  Ralf Conrads

IPC: B29C64/153 ,  B22F12/00 ,  B22F12/42 ,  B22F12/44 ,  B22F12/45 ,  B22F12/47 ,  B22F12/49 ,  B23K26/064 ,  B23K26/08 ,  B23K26/342 ,  B29C64/20 ,  B29C64/25 ,  B29C64/268 ,  B29C64/277 ,  B29C64/282 ,  B29C64/386 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B41J2/45 ,  B41J2/455 ,  H01S5/00 ,  H01S5/42 ,  B22F10/28 ,  G03G15/22

Abstract: The invention describes a laser printing system (100) for illuminating an object moving relative to a laser module of the laser printing system (100) in a working plane (180), the laser module comprising at least two laser arrays of semiconductor lasers and at least one optical element, wherein the optical element is adapted to image laser light emitted by the laser arrays, such that laser light of semiconductor lasers of one laser array is imaged to one pixel in the working plane of the laser printing system, and wherein the laser printing system is a 3D printing system for additive manufacturing and wherein two, three, four or a multitude of laser modules (201, 202) are provided, which are arranged in columns (c1, c2) perpendicular to a direction of movement (250) of the object in the working plane (180), and wherein the columns are staggered with respect to each other such that a first laser module (201) of a first column of laser modules (c1) is adapted to illuminate a first area (y1) of the object and a second laser module (202) of a second column (c2) of laser modules is adapted to illuminate a second area (y2) of the object, wherein the first area (y1) is adjacent to the second area (y2) such that continuous illumination of the object is enabled.

公开(公告)号：US12157268B2

公开(公告)日：2024-12-03

申请号：US17255290

申请日：2019-06-26

Applicant: CSIR

Inventor： Hencharl Strauss ,  Darryl Naidoo

IPC: B29C64/153 ,  B22F10/31 ,  B22F10/36 ,  B22F10/80 ,  B22F12/40 ,  B22F12/41 ,  B22F12/44 ,  B22F12/49 ,  B22F12/90 ,  B23K26/03 ,  B23K26/342 ,  B23K26/70 ,  B28B1/00 ,  B28B17/00 ,  B29C64/268 ,  B29C64/393 ,  B33Y30/00 ,  B33Y50/02 ,  G02F1/29 ,  H01S5/00

Abstract: A control system for thermo optical control of focus position of an energy beam in an additive manufacturing apparatus has a first doped medium and a second doped medium, each of which is optically transparent and doped with a dopant. The first doped medium has a positive thermo-optical coefficient (dn/dT) and the second doped medium has a negative thermo-optical coefficient (dn/dT) and is in series with the first doped medium. An energy beam input or coupling is configured to generate or receive an energy beam that is required to be controlled, the energy beam being within a first wavelength range and directed towards the first and second doped mediums. An absorbed beam input or coupling is configured to generate or receive at least one absorbed beam in a second wavelength range which is different from the first wavelength range, the absorbed beam being directed towards the first and second doped mediums. The first and second doped mediums have a higher beam absorption characteristic in the second wavelength range than in the first wavelength range, causing the absorbed beam to have a higher absorption than the energy beam in the first and second doped mediums and the first and second doped mediums each have a coating which allows transmission at both the first and the second wavelength ranges.

公开(公告)号：US20240367269A1

公开(公告)日：2024-11-07

申请号：US18776885

申请日：2024-07-18

Applicant: DIVERGENT TECHNOLOGIES, INC.

Inventor： Vivek R. Dave ,  Mark J. Cola

IPC: B23K31/12 ,  B22F10/28 ,  B22F10/31 ,  B22F10/366 ,  B22F10/38 ,  B22F12/41 ,  B22F12/49 ,  B22F12/90 ,  B23K26/03 ,  B23K26/342 ,  B33Y10/00 ,  B33Y50/02 ,  B41M5/26 ,  G01J5/00 ,  G01J5/04 ,  G01J5/07 ,  G01J5/48 ,  G01J5/80 ,  G01K11/00 ,  G01N25/72

Abstract: The disclosed embodiments relate to the monitoring and control of additive manufacturing. In particular, a method is shown for removing errors inherent in thermal measurement equipment so that the presence of errors in a product build operation can be identified and acted upon with greater precision. Instead of monitoring a grid of discrete locations on the build plane with a temperature sensor, the intensity, duration and in some cases position of each scan is recorded in order to characterize one or more build operations.

公开(公告)号：US20240342801A1

公开(公告)日：2024-10-17

申请号：US18301348

申请日：2023-04-17

Applicant: General Electric Company

Inventor： Thomas Charles Adcock ,  Brian Scott McCarthy

IPC: B22F10/85 ,  B22F10/28 ,  B22F10/366 ,  B22F12/45 ,  B22F12/49 ,  B22F12/90 ,  B23K26/06 ,  B23K26/342 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

CPC classification number: B22F10/85 ,  B22F10/28 ,  B22F10/366 ,  B22F12/45 ,  B22F12/49 ,  B22F12/90 ,  B23K26/0604 ,  B23K26/342 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F2998/10

Abstract: An additive manufacturing system and a method for manufacturing a solid component with the additive manufacturing system is provided. The method includes determining a misalignment vector field having a plurality of misalignment vectors. The method further includes identifying one or more potential stitching positions where the solid component is generally tangent to one or more misalignment vectors. The method further includes generating a plurality of first hatching paths, a plurality of second hatching paths, and one or more stitching regions. The method further includes selectively directing the first laser beam across a powder bed along the plurality of first hatching paths to consolidate a first portion of the solid component. The method further includes selectively directing the second laser beam across the powder bed along the plurality of second hatching paths to consolidate a second portion of the solid component.

公开(公告)号：US20240300023A1

公开(公告)日：2024-09-12

申请号：US18597782

申请日：2024-03-06

Applicant: Divergent Technologies, Inc.

Inventor： Michael Thomas KENWORTHY ,  Gregory S. Weaver

IPC: B22F12/49 ,  B22F12/43 ,  B22F12/45 ,  B22F12/47 ,  B22F12/52

CPC classification number: B22F12/49 ,  B22F12/43 ,  B22F12/45 ,  B22F12/47 ,  B22F12/52

Abstract: An additive manufacturing method and apparatus may implement a include a laser scanner with a movable-optic scanner including one or more optics, the movable-optic scanner configured move the one or more optics to scan the laser beam along a first path, and a solid-state scanner configured to scan the laser beam along a second path. The device may include a controller configured to control the laser scanner to operate the movable-optic scanner and the solid-state scanner to combine the first path and the second path to obtain a combined path during the additive manufacturing process.

公开(公告)号：US12059867B2

公开(公告)日：2024-08-13

申请号：US17665445

申请日：2022-02-04

Applicant: Divergent Technologies, Inc.

Inventor： Calvin Ray MacLean

IPC: B32B15/01 ,  B22F10/28 ,  B22F12/00 ,  B22F12/49 ,  B22F12/52 ,  B32B7/12 ,  B32B37/12 ,  B33Y10/00 ,  B33Y40/00

CPC classification number: B32B15/01 ,  B32B7/12 ,  B32B37/1284 ,  B33Y40/00 ,  B22F10/28 ,  B22F12/22 ,  B22F12/49 ,  B22F12/52 ,  B33Y10/00

Abstract: One aspect is an apparatus including a first node including a first bonding surface and a second node including a second bonding surface. The apparatus includes a feature configured to accept an adhesive and an adhesive channel coupled to the feature configured to accept the adhesive. The apparatus includes a shear joint coupling the first node and the second node, the shear joint configured to receive the adhesive in an adhesive region formed by the first bonding surface and the second bonding surface, the adhesive for coupling the first bonding surface to the second bonding surface through the feature configured to accept the adhesive.

公开(公告)号：US20240261865A1

公开(公告)日：2024-08-08

申请号：US18563047

申请日：2022-06-27

Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.

Inventor： Ryuichi Narita ,  Takayuki Moritake ,  Akemi Takano ,  Toshiya Watanabe

IPC: B22F12/90 ,  B22F10/28 ,  B22F12/49 ,  B33Y30/00

CPC classification number: B22F12/90 ,  B22F10/28 ,  B22F12/49 ,  B33Y30/00

Abstract: A three-dimensional additive manufacturing device, which performs additive manufacturing by irradiating, with a beam, a powder bed laid on a build surface area, includes a projection unit that is configured to project a pattern in which there is a luminance distribution in the build surface area and the luminance distribution changes over time, an imaging unit configured to image the pattern projected onto the build surface area, and a reflective part configured to reflect at least one among a first light beam projected by the projection unit and a second light beam captured by the imaging unit. The projection and imaging units are disposed outside the chamber where the additive manufacturing is performed on the build surface area. The reflective part is accommodated inside the chamber. The first and second light beams pass through one first window portion installed on the chamber.

公开(公告)号：US12053841B2

公开(公告)日：2024-08-06

申请号：US17375983

申请日：2021-07-14

Applicant: DIVERGENT TECHNOLOGIES, INC.

Inventor： Vivek R. Dave ,  Mark J. Cola

IPC: B23K31/12 ,  B22F10/28 ,  B22F10/31 ,  B22F10/366 ,  B22F10/38 ,  B22F12/41 ,  B22F12/49 ,  B22F12/90 ,  B23K26/03 ,  B23K26/342 ,  B33Y10/00 ,  B33Y50/02 ,  B41M5/26 ,  G01J5/00 ,  G01J5/04 ,  G01J5/07 ,  G01J5/48 ,  G01J5/80 ,  G01K11/00 ,  G01N25/72

CPC classification number: B23K31/125 ,  B22F10/28 ,  B22F10/366 ,  B22F10/38 ,  B22F12/41 ,  B22F12/90 ,  B23K26/034 ,  B23K26/342 ,  B33Y10/00 ,  B33Y50/02 ,  B41M5/262 ,  G01J5/04 ,  G01J5/07 ,  G01K11/00 ,  G01N25/72 ,  B22F10/31 ,  B22F12/49 ,  G01J2005/0077 ,  G01J5/48 ,  G01J5/80 ,  Y02P10/25

Abstract: The disclosed embodiments relate to the monitoring and control of additive manufacturing. In particular, a method is shown for removing errors inherent in thermal measurement equipment so that the presence of errors in a product build operation can be identified and acted upon with greater precision. Instead of monitoring a grid of discrete locations on the build plane with a temperature sensor, the intensity, duration and in some cases position of each scan is recorded in order to characterize one or more build operations.

公开(公告)号：US12005498B2

公开(公告)日：2024-06-11

申请号：US16943799

申请日：2020-07-31

Applicant: General Electric Company

Inventor： Brian Scott McCarthy ,  Aymeric Moinet ,  Rajesh Kartik Bollapragada ,  Tyler Nathaniel Nelson

IPC: B22F10/00 ,  B22F10/80 ,  B22F12/49 ,  B29C64/386 ,  B33Y50/00 ,  B22F10/10 ,  B33Y10/00 ,  B33Y50/02

CPC classification number: B22F10/00 ,  B22F10/80 ,  B22F12/49 ,  B29C64/386 ,  B33Y50/00 ,  B22F10/10 ,  B33Y10/00 ,  B33Y50/02

Abstract: An additive manufacturing system includes a control system communicatively coupled to a consolidation device and configured to control operation of the consolidation device. The control system is configured to generate a model of a component including a plurality of elements and at least one region of interest. The control system is also configured to apply at least one strain load to at least one element of the plurality of elements and generate a build characteristic contribution profile based on the at least one strain load. The control system is further configured to determine a build parameter based at least partly on the build characteristic contribution profile.

公开(公告)号：US11986995B2

公开(公告)日：2024-05-21

申请号：US16407389

申请日：2019-05-09

Applicant: TRUMPF Laser- und Systemtechnik GmbH

Inventor： Uwe Huber ,  Johannes Bauer ,  Michael Thielmann ,  Joachim Wagner ,  Jürgen Ortmann ,  Matthias Allenberg-Rabe ,  Detlef Breitling ,  Damien Buchbinder ,  Florian Krist

IPC: B29C64/153 ,  B22F10/28 ,  B22F10/36 ,  B22F10/366 ,  B22F12/45 ,  B28B1/00 ,  B28B17/00 ,  B29C64/268 ,  B29C64/277 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F12/49

CPC classification number: B29C64/153 ,  B22F10/28 ,  B22F10/36 ,  B22F10/366 ,  B22F12/45 ,  B28B1/001 ,  B28B17/0081 ,  B29C64/268 ,  B29C64/277 ,  B29C64/393 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B22F12/49 ,  Y02P10/25 ,  B22F2999/00 ,  B22F10/38 ,  B22F10/366 ,  B22F12/45

Abstract: The disclosure provides methods of additive manufacture of components in layers in a powder bed by at least two laser beams that can be deflected two-dimensionally over the same powder bed region. Each laser focal spot is projected onto the power bed and is or is set to a diameter of less than or equal to 300 μm. Components to be produced in the powder bed region are manufactured by each of the laser beams, and each individual surface contour of the component is manufactured solely by one of the laser beams.