公开(公告)号：US20190076923A1

公开(公告)日：2019-03-14

申请号：US16083374

申请日：2017-03-08

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Satoshi ABE ,  Isao FUWA ,  Mikio MORI

IPC: B22F3/10 ,  B22F3/105 ,  B29C64/153

Abstract: There is provided a manufacturing method of a three-dimensional shaped object, the method being capable of reducing a warp deformation of the three-dimensional shaped object. The manufacturing method according to an embodiment of the present invention produces a three-dimensional shaped object by alternate repetition of a powder-layer forming and a solidified-layer forming on a base plate, wherein the forming of at least one prior solidified layer is performed under a higher temperature condition than that for the forming of a subsequent solidified layer, the at least one prior solidified layer being formed prior to the subsequent solidified layer.

公开(公告)号：US20190091923A1

公开(公告)日：2019-03-28

申请号：US16083362

申请日：2017-03-08

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Satoshi ABE ,  Isao FUWA ,  Mikio MORI

IPC: B29C64/165 ,  B29C64/135 ,  B29C64/245

Abstract: There is provided a manufacturing method of a three-dimensional shaped object, the method being capable of reducing a warp deformation of the three-dimensional shaped object. The manufacturing method according to an embodiment of the present invention produces a three-dimensional shaped object by alternate repetition of a powder-layer forming and a solidified-layer forming by light beam irradiation, wherein as a platform for the three-dimensional shaped object, a plate laminate body comprising a dummy solidified layer and a base plate for the shaped object is used, and the dummy solidified layer is formed on one of principal surfaces of the base plate, whereas the three-dimensional shaped object is manufactured on the other of the principal surfaces of the base plate.

公开(公告)号：US20170282462A1

公开(公告)日：2017-10-05

申请号：US15513665

申请日：2015-09-30

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Satoshi ABE ,  Isao FUWA ,  Masataka TAKENAMI

IPC: B29C67/00 ,  B22F3/105 ,  B33Y30/00

CPC classification number: B33Y30/00 ,  B22F3/1055 ,  B22F2003/1052 ,  B22F2999/00 ,  B29C64/124 ,  B29C64/153 ,  B29C64/245 ,  B29C64/30 ,  B29C64/40 ,  B29C2035/0833 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y80/00 ,  Y02P10/295 ,  B22F2202/01

Abstract: In order to provide the method for manufacturing the three-dimensional shaped object which is capable of preventing the occurrence of the raised portion at the sintered portion or the melted and subsequently solidified portion by the irradiation of the light beam, there is provided a method for manufacturing a three-dimensional shaped object by alternate repetition of a step (i) forming a powder-layer and a step (ii) forming a solidified layer by irradiating a predetermined portion of the powder layer with a light beam, wherein the light beam-irradiated portion is vibrated in the step (ii).

公开(公告)号：US20150321256A1

公开(公告)日：2015-11-12

申请号：US14806717

申请日：2015-07-23

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Satoshi ABE ,  Yoshikazu HIGASHI ,  Isao FUWA ,  Masataka TAKENAMI ,  Norio YOSHIDA

IPC: B22F3/105 ,  B22F3/00

CPC classification number: B22F3/1055 ,  B05C5/02 ,  B05C9/14 ,  B05C11/028 ,  B05C19/04 ,  B22F2003/1056 ,  B22F2999/00 ,  B29C64/153 ,  B29C64/329 ,  B33Y30/00 ,  Y02P10/295 ,  B22F3/003

Abstract: An apparatus for producing a laminated object, includes a powder layer forming unit for forming a powder layer of a powdery material, a material supply unit for feeding the powdery material to the powder layer forming unit; and a solidified layer forming unit for forming a solidified layer by irradiating a light beam on a specified portion of the powder layer and sintering or melting the specified portion of the powder layer. The apparatus is configured to produce an integrally laminated three-dimensional object by repeating formation of the powder layer and formation of the solidified layer. The material supply unit includes a cartridge unit charged with the powdery material, the cartridge unit being configured to allow the powdery material to drop downwards.

Abstract translation: 一种叠层体的制造装置，具有形成粉末状粉末层的粉末层形成单元，将粉末状材料供给到粉末层形成单元的材料供给单元， 以及固化层形成单元，用于通过在粉末层的特定部分上照射光束并烧结或熔化粉末层的特定部分来形成固化层。 该装置被配置为通过重复形成粉末层和形成固化层来制造整体层叠的三维物体。 材料供应单元包括充满粉末材料的盒单元，盒单元构造成允许粉状材料向下落。

公开(公告)号：US20180214948A1

公开(公告)日：2018-08-02

申请号：US15748447

申请日：2016-02-08

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Masanori MORIMOTO ,  Satoshi ABE ,  Isao FUWA ,  Akifumi NAKAMURA

IPC: B22F3/105 ,  B22F3/16 ,  B29C64/153 ,  B22F5/00

CPC classification number: B22F3/1055 ,  B22F3/16 ,  B22F5/00 ,  B22F5/007 ,  B22F7/08 ,  B29C33/02 ,  B29C33/38 ,  B29C64/153 ,  B29C64/295 ,  B29L2031/779 ,  B33Y10/00 ,  B33Y80/00

Abstract: In order to provide a manufacturing method of the three-dimensional shaped object having a more proper heat property to be used as a metal mold, there is provided a method for manufacturing a three-dimensional shaped object by alternate repetition of a powder-layer forming and a solidified-layer forming, the repetition comprising: (i) forming a solidified layer by irradiating a predetermined portion of a powder layer with a light beam, thereby allowing a sintering of the powder in the predetermined portion or a melting and subsequent solidification of the powder; and (ii) forming another solidified layer by forming a new powder layer on the formed solidified layer, followed by irradiation of a predetermined portion of the newly formed powder layer with the light beam, wherein the three-dimensional shaped object is manufactured such that it has a heat source element in the three-dimensional shaped object, and also has a surface in a form of a concavity-convexity, and wherein a main surface of the heat source element and the surface of the concavity-convexity have the same shape as each other.

公开(公告)号：US20180200795A1

公开(公告)日：2018-07-19

申请号：US15748427

申请日：2016-02-08

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Masanori MORIMOTO ,  Satoshi ABE ,  Akifumi NAKAMURA ,  Isao FUWA

IPC: B22F3/105 ,  B22F3/16 ,  B22F5/00 ,  B29C33/38 ,  B29C64/153 ,  B29C64/188

CPC classification number: B22F3/1055 ,  B22F3/162 ,  B22F5/007 ,  B22F5/10 ,  B22F2005/005 ,  B29C33/38 ,  B29C33/3842 ,  B29C64/153 ,  B29C64/188 ,  B29C67/0011 ,  B33Y10/00 ,  B33Y40/00 ,  B33Y80/00

Abstract: In order to to provide a manufacturing method of a three-dimensional shaped object having a more proper heat removal property to be used as a metal mold, there is provided that a method for manufacturing a three-dimensional shaped object by alternate repetition of a powder-layer forming and a solidified-layer forming, the repetition comprising: (i) forming a solidified layer by irradiating a predetermined portion of a powder layer with a light beam, thereby allowing a sintering of the powder in the predetermined portion or a melting and subsequent solidification of the powder; and (ii) forming another solidified layer by forming a new powder layer on the formed solidified layer, followed by irradiation of a predetermined portion of the newly formed powder layer with the light beam, wherein the manufacturing method of the present invention, the three-dimensional shaped object is manufactured such that it has a flow path for cooling media in the three-dimensional shaped object, and also has a surface in a form of a concavity-convexity, and wherein a part of a contour surface of the flow path for the cooling media and the surface of the concavity-convexity have the same shape as each other.

公开(公告)号：US20170341143A1

公开(公告)日：2017-11-30

申请号：US15538442

申请日：2015-12-22

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Satoshi ABE ,  Isao FUWA ,  Masataka TAKENAMI ,  Mikio MORI

IPC: B22F3/105 ,  B33Y10/00 ,  B29C64/153 ,  B29C64/35 ,  B33Y40/00 ,  B29K105/00

CPC classification number: B22F3/1055 ,  B22F2003/1056 ,  B22F2003/1059 ,  B22F2003/245 ,  B22F2003/247 ,  B22F2999/00 ,  B29C64/153 ,  B29C64/194 ,  B29C64/35 ,  B29C64/371 ,  B29K2105/251 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y40/00 ,  B22F3/16

Abstract: There is provided a manufacturing method of the three-dimensional shaped object, the method being capable of reducing an undesirable phenomenon associated with the contamination of the light transmission window with the fume substance. The manufacturing method according to an embodiment of the present invention is a method for manufacturing a three-dimensional shaped object by alternate repetition of a powder-layer forming and a solidified-layer forming, wherein the irradiation with light beam for the solidified-layer forming is performed by directing the light beam into the chamber through a light transmission window of the chamber, and wherein a gas blow is supplied to the light transmission window by use of a movable gas supply device, the light transmission window having been contaminated with a fume generated upon the formation of the solidified layer.