An electron beam fuse additive manufacturing device and method for realizing the preparation of gradient materials

Abstract

The invention discloses an electron beam fuse wire additive manufacturing device and method capable of achieving gradient material preparation. The electron beam fuse wire additive manufacturing device and method are used for achieving processing and manufacturing, which are difficult to achieve through a current 3D printing technology and conventional forging and casting methods, of heterogeneouslaminated metal structures and parts internally provided with special materials in a burying mode. The electron beam fuse wire additive manufacturing device comprises an electron gun, a high-voltagepower supply, a vacuum chamber, a vacuum pump set, a main control system, a wire selecting and sending system, a wire sending managing unit, an electron gun moving working table, a formed part carrying working table, a power supply control system, an electron gun electromagnetic control system, an electron gun moving control unit, a working table moving control unit, a machine vision recognition device, an image processing unit and a fuse wire path planning system. According to the electron beam fuse wire additive manufacturing device, the types of carried wires are many, the quantity of the carried wires is large, and the production efficiency of processing and manufacturing of the heterogeneous laminated metal structures and the parts internally provided with the special materials in theburying mode can be improved greatly; and according to the texture of the fused wires, an electron-beam source real-timely adjusts the output power and meets the demand of the fused wires for fusiondeposition modeling.

Description

Technical field [0001] The invention relates to the field of additive manufacturing, in particular to an electron beam fuse additive manufacturing device that realizes the preparation of gradient materials. The invention also relates to an electron beam fuse additive manufacturing method that realizes the preparation of gradient materials. Background technique [0002] Additive manufacturing technology is a major innovation in the field of manufacturing technology in the past two decades. It is a new manufacturing technology that can effectively shorten the development cycle and reduce costs, and can manufacture some parts with complex shapes that are difficult to manufacture using conventional technology. Material manufacturing technology can quickly, directly and accurately transform design ideas into parts with certain structural properties. [0003] Currently, additive manufacturing equipment mainly uses plasma, arc, electron beam, laser, etc. as heat source devices. [0004] Th...

AI Technical Summary

Problems solved by technology

However, for parts with large structures, the volume of the vacuum chamber is relatively much larger. Frequent start / stop of large vacuum systems makes it difficult to greatly improve production efficiency; frequent replacement of wire materials makes it difficult to guarantee the quality of formed parts

[0007] The existing electron beam fuse deposition additive manufacturing equipment has been difficult to meet the manufacturing needs of heterogeneous laminated metal structures and embedded special material parts

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