公开(公告)号：US20220088844A1

公开(公告)日：2022-03-24

申请号：US17448452

申请日：2021-09-22

Applicant: Hitachi, Ltd.

Inventor： Ryotaro SHIMADA ,  Satoshi ARAI

IPC: B29C45/76

Abstract: Provided is an injection molding system capable of improving usability for a user. The injection molding system determines a combination of a mold and an injection molding machine and a specific molding condition specific to the combination of the mold and the injection molding machine, and outputs the determined specific molding condition in a predetermined form for manual input to the injection molding machine.

公开(公告)号：US20210370568A1

公开(公告)日：2021-12-02

申请号：US17330528

申请日：2021-05-26

Applicant: Hitachi, Ltd.

Inventor： Ryotaro SHIMADA ,  Satoshi ARAI

IPC: B29C45/76 ,  B29C45/77 ,  B29C45/78 ,  B29C45/80

Abstract: An injection molding system includes a step of determining a manufacturing condition including a combination of a first mold and a first injection molding machine, a step of confirming presence or absence of a first track record in production, in which a combination of the first mold and the first injection molding machine is used, by searching a production-track-record storage unit to, and a step of producing, in a case of the absence of the first track record in production, a corrected molding condition for injection molding by using the combination of the first injection molding machine and the first mold, based on first molding machine-specific information acquired in advance for the first injection molding machine, second molding machine-specific information acquired in advance for a second injection molding machine that is combined with the first mold and has a second track record in production, and the second track record in production acquired from the production-track-record storage unit. In the step, at least an amount of resin injected from the first injection molding machine into the first mold is corrected, and the produced corrected molding condition is inputted to the second injection molding machine.

公开(公告)号：US20180021596A1

公开(公告)日：2018-01-25

申请号：US15547359

申请日：2015-01-29

Applicant: Hitachi, Ltd.

Inventor： Satoshi ARAI ,  Akihiro MIYAMOTO

IPC: A61N5/10

CPC classification number: A61N5/1045 ,  A61N5/10 ,  A61N5/1077

Abstract: This multileaf collimator is provided with multiple leaves which limit the area irradiated by a radiation beam and which are arranged in the thickness direction. Each of the leaves is provided with a protruded portion which is formed protruding towards a first surface of the leaf, a depressed portion which is formed in the second surface of the leaf and into which the protruded portion formed on another leaf is inserted, a first curved surface which is formed between the first surface of the leaf and the lateral surface of the protruded portion, and a second curved surface which is formed between the second surface of the leaf and the lateral surface of the depressed portion.

公开(公告)号：US20170190905A1

公开(公告)日：2017-07-06

申请号：US15312991

申请日：2015-01-28

Applicant: HITACHI, LTD.

Inventor： Satoshi ARAI ,  Shigeharu TSUNODA

IPC: C08L67/02 ,  B33Y30/00 ,  B33Y50/02 ,  C08K3/00 ,  B29C67/00 ,  C08K3/36 ,  C08K7/14 ,  C08K5/00 ,  B33Y10/00 ,  B33Y70/00

CPC classification number: C08L67/02 ,  B29C64/153 ,  B29C64/40 ,  B29K2067/006 ,  B29K2105/251 ,  B33Y10/00 ,  B33Y30/00 ,  B33Y50/02 ,  B33Y70/00 ,  C08G63/183 ,  C08K3/016 ,  C08K3/36 ,  C08K5/0066 ,  C08K7/14 ,  C08L2201/02 ,  C08L69/00

Abstract: Molded bodies formed from PA-12 resin lose elasticity by absorbing water and lose strength as a result. Due to this, application to only some products used in low humidity environments is possible, which is a problem that needed to be addressed. This resin powder material, for use in powder laminate molding methods, is characterized in that the resin powder is a polybutylene terephthalate resin which has a crystallization temperature lower than that of homopolybutylene terephthalate resins.

公开(公告)号：US20230373145A1

公开(公告)日：2023-11-23

申请号：US18024936

申请日：2021-10-04

Applicant: Hitachi, Ltd.

Inventor： Ryotaro SHIMADA ,  Satoshi ARAI

IPC: B29C45/76

CPC classification number: B29C45/766 ,  B29C2945/76434 ,  B29C2945/76765 ,  B29C2945/76006 ,  B29C2945/7604 ,  B29C2945/76056 ,  B29C2945/7611 ,  B29C2945/76498 ,  B29C2945/76531 ,  B29C2945/76254

Abstract: Provided is an injection molding support system and method that can support searching for suitable materials. This injection molding support system 1 comprises: a process 35 of acquiring a production result using a combination of a mold and a predetermined material and material information on a predetermined material; a process 36 of acquiring the production result, the material information on a predetermined material, and material information on a plurality of previously acquired materials, and selecting at least one candidate material from among the plurality of materials on the basis of the acquired information; a process 43 of creating a correction molding condition for injection molding using a combination of the selected candidate material and the mold; and a process 34 of providing, to a user, the created correction molding condition and the output candidate material.

公开(公告)号：US20200307055A1

公开(公告)日：2020-10-01

申请号：US16819613

申请日：2020-03-16

Applicant: HITACHI, LTD.

Inventor： Ryotaro SHIMADA ,  Satoshi ARAI ,  Kei YAMAGUCHI

IPC: B29C45/77 ,  B29C45/76 ,  B29C45/26

Abstract: A method of generating the analysis conditions of an injection molding machine by using at least one computer, the at least one computer executing the steps of: selecting one of injection molding machines, each being associated with a predetermined correction amount of injection molding; generating a second analysis condition for the selected injection molding machine on the basis of an acquired first analysis condition and the predetermined correction amount of the selected injection molding machine; and outputting the generated second analysis condition.

公开(公告)号：US20190275736A1

公开(公告)日：2019-09-12

申请号：US16133052

申请日：2018-09-17

Applicant: HITACHI, LTD.

Inventor： Akihiro YAMAGUCHI ,  Satoshi ARAI ,  Shigeharu TSUNODA

IPC: B29C64/153 ,  B29C64/268 ,  B29C64/393

Abstract: A powder layered modeling apparatus capable of modeling a three-dimensional object using a material powder contains at least a crystalline resin and filler particles. A modeling unit which partitions a modeling space for laying a material powder layer by the material powder to mold the three-dimensional object, a powder laying unit capable of laying the material powder layer in the modeling space by moving the material powder along a first direction with respect to the modeling space, a powder laying unit capable of laying the material powder layer in the modeling space by moving the material powder along a second direction not parallel to the first direction, and an energy supply unit which supplies energy for melting or sintering the material powder to a part constituting a cross-sectional layer to be molded of the three-dimensional object of the material powder layer laid in the modeling space.

公开(公告)号：US20230330434A1

公开(公告)日：2023-10-19

申请号：US17909806

申请日：2021-02-02

Applicant: HITACHI, LTD.

Inventor： Satoshi ARAI

IPC: A61N5/10

CPC classification number: A61N5/1045 ,  A61N5/1048

Abstract: By using a marker excellent in durability in a multi-leaf collimator, positions of the markers are accurately detected, and positions of the leaves are accurately controlled. The markers are plates containing a phosphor, and surfaces of the plates are fixed to surfaces of the leaves such that end surfaces of the plates are located on predetermined end surfaces of the leaves. An image of the end surfaces of the plates is captured by a camera, and positions of the end surfaces are recognized by image processing.

公开(公告)号：US20190282830A1

公开(公告)日：2019-09-19

申请号：US16462956

申请日：2017-11-28

Applicant: HITACHI, LTD.

Inventor： Satoshi ARAI ,  Hiroaki FURUICHI ,  Jun-ichi HIRAI ,  Osamu CHIBA ,  Tomoki MURATA

IPC: A61N5/10 ,  B29C64/124 ,  B29C64/153

Abstract: A ridge filter 100 provided in a particle therapy system includes a repeating structure body 101 having a plurality of extending parts 101c extending along the incident direction P of a proton beam 204, and a bottom plate 102 provided on the lower face 101b side opposite to the incident side of the proton beam 204 of the repeating structure body 101. In addition, the repeating structure body 101 and the bottom plate 102 are integrally formed by a molding method, and each of the repeating structure body 101 and the bottom plate 102 is formed of a laminate of resin.

公开(公告)号：US20190111617A1

公开(公告)日：2019-04-18

申请号：US16090541

申请日：2016-04-13

Applicant: HITACHI, LTD.

Inventor： Satoshi ARAI ,  Shigeharu TSUNODA

IPC: B29C64/153 ,  B33Y30/00 ,  B33Y70/00 ,  B33Y80/00 ,  B29C64/218 ,  B29C64/268

Abstract: The invention is to provide a resin powder that is highly robust with regard to temperature control and is capable of improving heat resistance of a molded article. In order to solve the above problem, the resin powder according to the invention uses a mixed resin powder in which a thermoplastic base resin powder and a thermoplastic high-melting-point resin powder having a melting point higher than that of the base resin powder are mixed together. For example, isophthalic acid copolymerized PBT (polybutylene terephthalate) is used in the base resin powder, and homo-PBT is used in the high-melting-point resin powder. Alternatively, a polyamide 12 is used in the base resin powder, and MXD nylon is used in the high-melting-point resin powder.