Multi-electron-beam fusing and milling composite 3D printing device

An electron beam melting and 3D printing technology, applied in other manufacturing equipment/tools, manufacturing tools, etc., can solve the problems of difficult clamping, difficult processing, large processing errors, etc., and achieve the effect of avoiding difficult clamping and wide application space.

Inactive Publication Date: 2015-04-22
YUANMENG PRECISION TECH SHENZHEN INST
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Problems solved by technology

[0009] The purpose of the present invention is to provide a plurality of electron beam melting and milling composite 3D printing equipment, aiming at solving the problem of secondary processing of parts processed by metal melting 3D printing technolog

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  • Multi-electron-beam fusing and milling composite 3D printing device
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  • Multi-electron-beam fusing and milling composite 3D printing device

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[0025] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0026] The implementation of the present invention will be described in detail below in conjunction with specific embodiments.

[0027] Such as Figure 1~4 Shown are the preferred embodiments provided by the present invention.

[0028] The 3D printing device 1 provided by the present invention combines milling processing and electron beam melting, and can be used to form various parts, such as parts required by the aviation manufacturing industry.

[0029] The multiple electron beam melting and milling composite 3D printing device 1 includes a base 100, a powder spreading structure, multiple elec...

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Abstract

The invention relates to the technical field of 3D printing devices, and discloses a multi-electron-beam fusing and milling composite 3D printing device which comprises a base. A machining platform is arranged on the base which is provided with a powder laying structure. A plurality of electron beam transmitting structures and milling heads are arranged on the machining platform. The electron beam transmitting structures are arranged outside the milling heads in a surrounding mode at intervals and transmit electron beams to fuse different areas of a metal powder layer so as to form a plurality of single-layer or multi-layer approximate bodies. The milling heads mill the single-layer or multi-layer approximate bodies respectively. By means of the 3D printing device, the removal type machining process with laser milling as the main part and the incremental laminated manufacturing process with electron beam fusing 3D printing as the main part are integrated, and the deflects of the size and shape of the 3D printing technology are overcome; for large-size parts, the electron beams fuse different areas, milling is then conducted through the milling heads, and parts can be formed in any large sizes.

Description

technical field [0001] The invention relates to the technical field of 3D printing equipment, in particular to multiple electron beam melting and milling composite 3D printing equipment. Background technique [0002] Metal melting 3D printing technology (Selective Laser Melting, SLM) uses high-brightness laser to directly melt metal powder materials without binders, and directly forms arbitrary complex structural parts with the same performance as castings from 3D models. [0003] Although metal fusion 3D printing technology can form parts that reach the casting strength level, the shape error of the formed parts is large and the surface finish is not high. In this way, the formed parts need to be processed twice by traditional machining methods. Only by processing can the shape and surface accuracy required by the aviation manufacturing industry be obtained. However, most parts in the aerospace industry, such as engine nozzles, blades, honeycomb structure combustion chambe...

Claims

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Application Information

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IPC IPC(8): B23P23/04
CPCB23P23/04
Inventor 聂炎徐毅李军旗欧阳渺安
Owner YUANMENG PRECISION TECH SHENZHEN INST
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