Single-layer multi-material surface overlay system based on powder bed additive manufacturing

A kind of additive manufacturing and multi-material technology, applied in the field of powder bed additive manufacturing, can solve the problems that are difficult to meet the complexity requirements of industrial products, flexibility and high efficiency requirements, and achieve precise control of powder coating amount, fast movement speed, and improved production efficiency effect

Active Publication Date: 2016-08-03
XI AN JIAOTONG UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing rapid prototyping machines based on powder bed additive manufacturing technology are usually designed and manufactured based on single-material pr

Method used

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  • Single-layer multi-material surface overlay system based on powder bed additive manufacturing

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[0023] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] Reference figure 1 , A powder bed additive manufacturing single-layer multi-material surface layering system, including a forming work surface 1, a forming cylinder 2 is provided in the middle of the forming work surface 1, and a first powder supply cylinder is provided on both sides of the forming cylinder 2 3-1 and the second powder supply cylinder 3-2, the upper two sides of the forming table 1 are respectively fixedly connected by the connecting plate 4 and the truss mechanism 5. A rib 6 and a truss are also connected between the connecting plate 4 and the truss mechanism 5. The mechanism 5 is equipped with a first slide rail 8-1 and a second slide rail 8-2, the first slide rail 8-1 and the second slide rail 8-2 are arranged in parallel in the vertical direction, and the first slide rail 8-1 Cooperating with the first sliding block 11-1, the first sl...

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Abstract

A single-layer multi-material surface overlay system based on powder bed additive manufacturing comprises a forming working table board, wherein a forming cylinder is arranged in the middle below the forming working table board; two powder supply cylinders are arranged on two sides of the forming cylinder; two slide rails are configured above the forming working table board through truss mechanisms; guide rods are connected onto two sliders matched with the two slide rails; powder pressing plates are connected with the bottom ends of the guide rods; the two powder pressing plates are controlled by two stepping motors to move leftwards and rightwards respectively and are connected with two control systems respectively. Based on the system, any multi-dimensional and multi-material parts can be rapidly formed, a to-be-adsorbed powder material is adsorbed on the powder pressing plates, the powder material is compacted on the surface of a formed part, and the effect of improving the compactness of the part is realized; the mobile surface overlay system has a high movement speed, realizes accurate control for powder overlaying amount and improves the production efficiency.

Description

technical field [0001] The invention relates to the field of powder bed additive manufacturing, in particular to a powder bed additive manufacturing single-layer multi-material surface layer system. Background technique [0002] Powder bed additive manufacturing technology is an advanced additive manufacturing technology that uses the powder to be formed to be formed after layer-by-layer powder coating, and then solidified after bonding, sintering or melting. It can realize complex shapes, especially complex inner cavity structures. Manufacturing of precision customized parts. [0003] Compared with single-material additive manufacturing technology, multi-material, especially single-layer multi-material additive manufacturing technology can form parts with complex material properties and geometric properties, thereby achieving the purpose of efficiently improving product performance. However, the existing rapid prototyping machines based on powder bed additive manufacturing...

Claims

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Application Information

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IPC IPC(8): B22F3/105B29C67/00B33Y10/00B33Y30/00
CPCB33Y10/00B33Y30/00B22F10/00B22F12/60B22F10/28B22F12/222B22F12/55B22F10/32B22F12/224Y02P10/25
Inventor 李涤尘范长超曹毅张博
Owner XI AN JIAOTONG UNIV
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