Powder spreading system for polymetallic material 3D printing equipment

A 3D printing, multi-metal technology, applied in the field of metal 3D printing, can solve the problems of mechanical performance defects of metal products, unable to fully meet the actual preparation and use requirements, difficult distribution regulation and other problems, so as to reduce the molding cost and improve the compatibility. , the effect of expanding the scope of application

Active Publication Date: 2020-12-01
HUAZHONG UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above method can achieve 3D printing of bimetallic or multimetallic materials to a certain extent, it is difficult to control the spatial distribution of metal phase m

Method used

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  • Powder spreading system for polymetallic material 3D printing equipment
  • Powder spreading system for polymetallic material 3D printing equipment
  • Powder spreading system for polymetallic material 3D printing equipment

Examples

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Embodiment

[0045] see Figure 1~6 , the powder laying system for multi-metal material 3D printing equipment in the preferred embodiment of the present invention includes a frame body 3 and a basic powder feeding assembly 1 and an auxiliary powder feeding assembly 2 corresponding to it. Among them, the basic powder feeding assembly 1 is used for laying of basic powder materials, and the auxiliary powder feeding assembly 2 is used for laying of enhanced powder materials.

[0046] Specifically, the frame body 3 in the preferred embodiment is as figure 2 As shown in , there is at least one powder spreading molding cylinder 301 on the top, which is used for powder laying and sintering molding, and guide rails 103 are respectively arranged on both sides of the powder spreading molding cylinder 301 . The two guide rails 103 are arranged in parallel, and preferably the direction of the two guide rails 103 is the longitudinal direction, and correspondingly, the horizontal direction perpendicula...

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Abstract

The invention discloses a powder spreading system for polymetallic material 3D printing equipment, and belongs to the technical field of metal 3D printing. A basic powder feeding assembly and an auxiliary powder feeding assembly are arranged on a frame body, the basic powder feeding assembly is used for feeding and spreading basic powder materials, then the auxiliary powder feeding assembly is used for a feeding and spreading one or more kinds of metal powder materials, then distribution and forming of multi-phase materials in space are achieved, and finally a metal composite material with theexcellent structural performance is obtained. According to the powder spreading system for the polymetallic material 3D printing equipment, the structure is simple, the controlling is easy and convenient, accurate powder feeding and spreading of various metal material powder in a powder spreading forming cylinder can be effectively realized, application ranges of a metal 3D printing technology are widened, the development of the 3D printing technology especially the SLM technology is promoted, the forming cost of metal composite materials is reduced, and good application prospects and popularization value are achieved.

Description

technical field [0001] The invention belongs to the technical field of metal 3D printing, and in particular relates to a powder spreading system for multi-metal material 3D printing equipment. Background technique [0002] Metal 3D printing manufacturing technology is an emerging preparation technology that has been widely used in aerospace, automobile manufacturing, military and medical industries. Among them, the most widely used 3D printing manufacturing technology is Selective Laser Melting (SLM) technology. SLM technology is a technology that uses high-energy laser beams to directly irradiate metal powder to make it rapidly melt and cool and solidify. It can quickly realize the melting and forming of metal powder in the laser processing area, which greatly improves the efficiency and accuracy of metal product forming. quality. [0003] With the further improvement of the manufacturing industry's requirements for the quality of parts and components, higher requirements...

Claims

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Application Information

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IPC IPC(8): B22F3/105B33Y30/00B33Y40/00
CPCB33Y30/00B33Y40/00Y02P10/25
Inventor 李宁黄信
Owner HUAZHONG UNIV OF SCI & TECH
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