公开(公告)号：US20240042528A1

公开(公告)日：2024-02-08

申请号：US18349928

申请日：2023-07-10

Applicant: Sodick Co., Ltd.

Inventor： Naoto NAKAMURA

IPC: B22F10/73 ,  B22F10/32 ,  B22F10/77

CPC classification number: B22F10/73 ,  B22F10/32 ,  B22F10/77 ,  B33Y30/00

Abstract: An additive manufacturing apparatus includes a chamber, an inert gas supplier, a material recovery pipeline, a material tank, a material replenishment pipeline, a transfer device, a classifier, a gas discharge pipeline, and a pump. The transfer device transfers a metal powder together with an inert gas. The gas discharge pipeline is connected to the transfer device and the chamber. The pump sends the inert gas discharged from the transfer device to the chamber.

公开(公告)号：US20210114096A1

公开(公告)日：2021-04-22

申请号：US17031950

申请日：2020-09-25

Applicant: SODICK CO., LTD.

Inventor： Naoto NAKAMURA ,  Shuji OKAZAKI

IPC: B22F3/105 ,  B23K37/00

Abstract: A lamination molding apparatus includes: a material layer forming device that forms a material layer in a molding region; an irradiator that sinters or melts the material layer to form a solidified layer; and a cooling device that cools, to a cooling temperature, at least a part including an upper surface of a solidified body. The material layer forming device includes: a base having the molding region, a recoater head disposed on the base, a recoater head driving device that reciprocates the recoater head in a horizontal direction, and a blade that is arranged on the recoater head and that levels material powder to form the material layer. The cooling device includes: a cooling body that is controlled to the cooling temperature and comes into contact with the upper surface of the solidified body, and a mounting member that mounts the cooling body to the recoater head.

公开(公告)号：US20220118524A1

公开(公告)日：2022-04-21

申请号：US17491547

申请日：2021-10-01

Applicant: Sodick Co., Ltd.

Inventor： Naoto NAKAMURA ,  Tsuyoshi SAITO

IPC: B22F12/70 ,  B22F12/67 ,  B22F12/90 ,  B22F12/53 ,  B33Y30/00 ,  B33Y40/00

Abstract: An additive manufacturing apparatus includes a chamber, a material layer former, an inert gas supplier, and a material supply unit. The material supply unit includes a material tank, a transporter, and a sieve. The material tank stores material. The transporter transports the material discharged from the chamber and the material tank to the highest level of a conveyance route of the material. The sieve is provided below the transporter and above the chamber, removes impurities from the material sent from the transporter and then discharge the material downward to replenish the material layer former with the material.

公开(公告)号：US20210121953A1

公开(公告)日：2021-04-29

申请号：US17023373

申请日：2020-09-17

Applicant: SODICK CO., LTD.

Inventor： Shuji OKAZAKI ,  Naoto NAKAMURA ,  Shuichi KAWADA

IPC: B22F3/10 ,  B22F3/105

Abstract: The lamination molding apparatus includes an irradiator, a processing device, a cooling device, and an inert gas supply source. The irradiator irradiates a laser beam or an electron beam to a material layer to form a solidified layer. The processing device includes a processing head for holding a tool, and a processing head driver for moving the processing head in at least a horizontal direction. The cooling device is arranged in the processing head and cools a solidified body formed by laminating the solidified layers to a cooling temperature. The cooling device includes a cold gas discharger having a cold gas discharge port for discharging a cold gas being an inert gas having a temperature equal to or lower than the cooling temperature, and discharging the cold gas toward the solidified body. The inert gas supply source supplies the inert gas to the cold gas discharger.