Powder bed electron beam additive manufacturing equipment and method

An additive manufacturing, electron beam technology, applied in the field of powder bed electron beam additive manufacturing equipment, can solve the problem of inability to print two materials

Active Publication Date: 2021-03-16
西安赛隆增材技术股份有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a powder bed electron beam additive manufacturing equipment and method, which is used to solve

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  • Powder bed electron beam additive manufacturing equipment and method
  • Powder bed electron beam additive manufacturing equipment and method
  • Powder bed electron beam additive manufacturing equipment and method

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Embodiment Construction

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048] In the prior art, there are three mainstream powder bed electron beam additive manufacturing equipment. The first type is the powder feeding structure of single powder cylinder. In this structure, only one powder cylinder is located on the left (or right side), and the forming cylinder is located on the right (or left side). Since there is only one powder cylinder, and the powder cylinder can only Install a single material powder, otherwise it will caus...

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Abstract

The invention discloses powder bed electron beam additive manufacturing equipment and method, belongs to the field of powder bed additive manufacturing equipment, and solves the problem that an existing powder bed electron beam additive manufacturing equipment can only print a single material and cannot print two materials. The equipment comprises a first powder spreading unit, a second powder spreading unit and a forming cylinder, wherein the first powder spreading unit is located on the first side in a forming chamber; the second powder spreading unit is located on the second side in the forming chamber and used for containing second powder; the forming cylinder is located in the middle of the forming chamber, and the upper surface of the forming cylinder makes contact with the first powder spreading unit and the second powder spreading unit; and the forming cylinder is located in the forming chamber and used for driving a third powder spreading platform arranged on the upper surfaceof the forming cylinder to rotate through a bearing arranged on the forming cylinder and sequentially scraping first powder and the second powder into the forming cylinder, and the upper surface of the third powder spreading platform makes contact with the first powder spreading unit and the second powder spreading unit.

Description

technical field [0001] The invention relates to the field of powder bed additive manufacturing equipment, and more specifically relates to a powder bed electron beam additive manufacturing equipment and method. Background technique [0002] Powder bed electron beam metal additive manufacturing technology is one of the mainstream technologies of metal additive manufacturing. The powder bed electron beam additive manufacturing technology is similar to the laser printing powder making process. First, a layer of metal powder is laid, and then the electron beam scans and prints. The powder bed electron beam additive manufacturing technology is different from the laser printing powder making process. The bed electron beam can preheat the powder bed, so there is an intermediate preheating process in the powder bed electron beam additive manufacturing technology; moreover, compared with the laser printing powder, the powder bed electron beam additive manufacturing technology also ha...

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Application Information

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IPC IPC(8): B22F12/50B22F12/67B22F10/73B22F10/28B33Y30/00B33Y40/00B33Y10/00
CPCB33Y10/00B33Y30/00B33Y40/00
Inventor 高峰赵培朱纪磊任龙周勃延全俊涛向长淑汤慧萍葛宽强
Owner 西安赛隆增材技术股份有限公司
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