Three-dimensional shaping device and three-dimensional shaping method
AssigneeIHI Corporation
InventorsYuichiro NAKAYAMA, Daiki HAYASHI
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Abstract
A three-dimensional shaping device shapes a three-dimensional article by irradiating a powder material with an electron beam and melting the powder material. The three-dimensional shaping device includes an electron beam emitting unit emitting the electron beam, melting the powder material in order to shape the article, and performing preliminary heating of the powder material by irradiating the powder material with the electron beam before the article is shaped. The electron beam emitting unit moves an irradiation position of the electron beam in a spiral pattern when the powder material is irradiated with the electron beam for preliminary heating.
Claims6
A three-dimensional shaping device shaping a three-dimensional article by irradiating a powder material with an electron beam and melting the powder material, the three-dimensional shaping device comprising:
- an electron beam emitting unit emitting the electron beam, melting the powder material in order to shape the article, and performing preliminary heating of the powder material by irradiating the powder material with the electron beam before the article is shaped,
- wherein the electron beam emitting unit moves an irradiation position of the electron beam in a spiral pattern when the powder material is irradiated with the electron beam for preliminary heating.
A three-dimensional shaping method for shaping a three-dimensional article by irradiating a powder material with an electron beam and melting the powder material, the three-dimensional shaping method comprising:
- a preliminary heating step of performing preliminary heating of the powder material by irradiating the powder material with the electron beam before the article is shaped by irradiating the powder material with the electron beam,
- wherein in the preliminary heating step, an irradiation position of the electron beam is moved in a spiral pattern when the powder material is irradiated with the electron beam.
Dependencies are inferred from the claim text.