Mobile Powder Bed Electron Beam Rapid Prototyping Manufacturing Method

A manufacturing method and electron beam technology, applied in the field of additive manufacturing, can solve the problems of poor forming accuracy and poor forming quality of electron beam selective melting forming technology, achieve quality assurance, improve forming accuracy and forming part quality, and reduce deflection angle. Effect

Active Publication Date: 2018-05-22
XIAN ZHIRONG METAL PRINTING SYST CO LTD
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Problems solved by technology

[0009] The purpose of the present invention is to solve the problem of poor forming accuracy and poor forming quality of electron beam selective melting forming technology

Method used

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  • Mobile Powder Bed Electron Beam Rapid Prototyping Manufacturing Method

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Embodiment Construction

[0018] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the associated drawings. Preferred embodiments of the invention are shown in the accompanying drawings. However, the present invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terminology used herein in the description of the present invention is only for the purpose of describing specific embodiments, and is not intended to limit the present invention. As used herein, the term "and / or" includes any and all combinations of one or more of th...

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Abstract

The invention provides a mobile powder bed type electron beam rapid prototyping manufacturing method, which includes the following steps: importing the data after the three-dimensional solid part model diagram has been sliced ​​and layered into the equipment control system; using the equipment control system to work on the powder bed A Cartesian coordinate system is established on the surface; the electron gun moves linearly along the X-axis in the horizontal direction through the equipment control system and the driving device, and the powder bed moves along the Y-axis in the horizontal direction, and according to the given sequence and process parameters Sequentially scan and melt the layered data track points in different regions until the part is formed. The forming method provided by the invention reduces the deflection angle of the electron beam by adjusting the position of the electron beam and the scanning area, which is beneficial to ensure the quality of the electron beam flow and improve the forming accuracy and the quality of the formed parts.

Description

technical field [0001] The invention relates to the field of additive manufacturing, in particular to a moving powder bed electron beam rapid prototyping manufacturing method. Background technique [0002] Additive manufacturing technology is also known as 3D printing or rapid prototyping technology. It is a technology based on digital model files, using materials such as metal powder, wire or bondable plastic, to construct objects by stacking and accumulating layer by layer. Rapid prototyping manufacturing technology is widely used in mold manufacturing, industrial design and other fields, and is gradually being used in the direct manufacturing of some products, especially some high-value applications (such as hip joints or teeth, or some aircraft parts). [0003] The rapid prototyping manufacturing methods of metal parts mainly include laser melting deposition direct manufacturing technology (Laser Melting Deposition, hereinafter referred to as LMD technology) based on sy...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B33Y10/00
CPCB33Y10/00B22F10/00B22F10/28B22F10/31B22F10/366B22F10/362B22F12/47Y02P10/25
Inventor 郭光耀
Owner XIAN ZHIRONG METAL PRINTING SYST CO LTD
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