公开(公告)号：US20240383041A1

公开(公告)日：2024-11-21

申请号：US18693542

申请日：2021-10-19

Applicant: Mitsubishi Electric Corporation

Inventor： Yasutomo TANIHARA ,  Daiji MORITA ,  Takafumi FUJII ,  Nobuyuki SUMI

IPC: B22F10/368 ,  B22F10/28 ,  B22F12/90 ,  B23K26/03 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: An additive manufacturing apparatus for metal additive manufactured products supplies material of the metal additive manufactured products to a processing region, performs irradiation with a heat source that melts the supplied material, ejects a shielding gas to the processing region, and measures a temperature at a measurement point in the processing region. When the temperature at the measurement point during processing reaches a temperature set on the basis of an oxidation temperature of the material, a control device performs at least one of control of stopping the output of the heat source, control of reducing the output, or control of reducing the speed of movement or stopping the movement of the heat source moving in the processing region.

公开(公告)号：US20230390869A1

公开(公告)日：2023-12-07

申请号：US18033817

申请日：2021-03-19

Applicant: Mitsubishi Electric Corporation

Inventor： Takafumi FUJII ,  Satoshi HATTORI ,  Nobuyuki SUMI

IPC: B23K26/342 ,  B32B15/01 ,  B33Y10/00 ,  B33Y80/00 ,  B22F10/28

CPC classification number: B23K26/342 ,  B32B15/01 ,  B33Y10/00 ,  B33Y80/00 ,  B22F10/28

Abstract: An additive manufactured object is a stack including a first metal layer made of a first metallic material and a second metal layer that includes second dot beads made of a second metallic material. The additive manufactured object includes an intermediate layer between the first and second metal layers. The intermediate layer includes a first structural part as a structure made of the first metallic material and a second structural part as a structure made of the second metallic material. The first and second structural parts engage each other in a unit structure, and an arrangement of the unit structures arranged in the intermediate layer has translational symmetry in a plane perpendicular to a stacked direction of the first and second metal layers. The intermediate layer includes, at a junction interface between the first and the second structural parts, an intermetallic compound layer including an intermetallic compound.

公开(公告)号：US20220324057A1

公开(公告)日：2022-10-13

申请号：US17623636

申请日：2019-08-07

Applicant: Mitsubishi Electric Corporation

Inventor： Shigeru TAKUSHIMA ,  Daiji MORITA ,  Nobuyuki SUMI ,  Satoshi HATTORI ,  Takafumi FUJII ,  Shun KAYASHIMA

IPC: B23K26/342 ,  B23K26/03 ,  B23K26/046 ,  G01B11/06 ,  B22F10/22 ,  B22F12/90 ,  B22F12/41 ,  B22F10/36 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02

Abstract: An additive manufacturing apparatus that forms an object by repeating additive machining of melting a machining material and adding, onto a workpiece, the machining material solidified includes: a height measurement unit that measures a height of the object formed at a machining position; and a control unit that controls a machining condition for adding the machining material to the machining position on the basis of a measurement result provided by the height measurement unit.

公开(公告)号：US20220143751A1

公开(公告)日：2022-05-12

申请号：US17606051

申请日：2019-07-08

Applicant: Mitsubishi Electric Corporation

Inventor： Takafumi FUJII

IPC: B23K26/342 ,  B23K26/348 ,  B23K9/16 ,  B23K9/04

Abstract: An additive manufacturing apparatus forms layers with a material that is molten to produce a formed object. The additive manufacturing apparatus includes a CMT power supply that supplies as a power supply current to heat a wire that is the material fed to a workpiece, to the material; a laser oscillator that produces as a beam source a laser beam that is a beam with which the workpiece is irradiated; and a head drive unit that shifts as a drive unit a feed position for the material on the workpiece and an irradiation position for the beam on the workpiece. The additive manufacturing apparatus shifts the feed position and the irradiation position, with the irradiation position leading in a moving path for the feed position in spaced relation to the feed position.

公开(公告)号：US20210245301A1

公开(公告)日：2021-08-12

申请号：US17257863

申请日：2018-07-24

Applicant: Mitsubishi Electric Corporation

Inventor： Takafumi FUJII ,  Yoshikazu NAKANO

IPC: B23K26/211 ,  B23K26/24 ,  B23K26/323

Abstract: A metal-joining structure (100) includes: an iron alloy part (1); an aluminum alloy part (2); and a joining interface layer (3) provided between the iron alloy part (1) and the aluminum alloy part (2). The joining interface layer (3) includes: an iron-silicon solid-solution-phase sublayer (4) in contact with the iron alloy part (1); an aluminum-silicon eutectic-phase sublayer (5) in contact with the aluminum alloy part (2); and a silicon sublayer (6) provided between the iron-silicon solid-solution-phase sublayer (4) and the aluminum-silicon eutectic-phase sublayer (5).