Additional material support structure

A technology of support structure and support sheet, applied in the direction of additive processing, process efficiency improvement, additive manufacturing, etc., can solve the problems of construction failure, affecting the shape accuracy and dimensional accuracy of the workpiece, and collapse, and achieve effective support and prevent workpiece deformation. , the effect of reducing loss

Pending Publication Date: 2019-03-08
北京星驰恒动科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in some special structures, especially cantilever structures, collapse and warping will occur during the process, which will affect the shape accuracy and dimensional accuracy of the workpiece, and even lead to construction failure in severe cases.
[0003] In the existing metal additive manufacturing technology, the support structure includes tree, column, and cube structures, resulting in a large loss of materials for the existing support structure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Please refer to figure 1 -5, this embodiment provides an additive support structure for supporting workpieces in the metal powder 3D printing process, including a support body 1, the support body 1 is a honeycomb structure; the side of the support body 1 for supporting the workpiece is The support surface 2 is provided with a plurality of support sheets 3 .

[0039] The support structure is used to support the metal powder 3D printing workpiece. The bottom surface 5 of the support body 1 is connected to the workbench. The support surface 2 of the support body 1 is used to support the workpiece. The support body 1 is a honeycomb structure; The support piece 3 supports the workpiece, the honeycomb support body 1 and the support piece 3 reduce the loss of support structure materials, the support piece 3 supports the workpiece, and facilitates the cutting and separation between the support body 1 and the workpiece.

[0040] The end of the support piece 3 connected to the s...

Embodiment 2

[0049] to combine figure 1 ,refer to Figure 4As shown, this embodiment provides an additive support structure, the support structure is used to support the workpiece in the metal powder 3D printing process, the support structure includes a honeycomb support body 1 or a plurality of lateral and Holes arranged vertically, the support body 1 is fixed on the workbench. The top surface of the support body 1 is the support surface 2, the bottom surface 5 of the support body 1 is fixedly connected with the workbench, and a plurality of support sheets 3 are arranged on the support surface 2, and the support sheets 3 are connected with the workpiece and support the workpiece. The honeycomb support body 1 and The support sheet 3 reduces the loss of supporting structure materials, supports the workpiece, and facilitates cutting and separation between the support body 1 and the workpiece.

[0050] The end of the support piece 3 connected to the support surface 2 is larger than the end ...

Embodiment 3

[0052] combine figure 2 , image 3 and Figure 4 ,refer to Figure 5 As shown, this embodiment provides an additive support structure, the support structure is used to support the workpiece in the metal powder 3D printing process, the support structure includes a honeycomb support body 1 or a plurality of lateral and Holes arranged vertically, the support body 1 is fixed on the workbench. The top surface of the support body 1 is the support surface 2, the bottom surface 5 of the support body 1 is fixedly connected with the workbench, and a plurality of support sheets 3 are arranged on the support surface 2, and the support sheets 3 are connected with the workpiece and support the workpiece. The honeycomb support body 1 and The support sheet 3 reduces the loss of supporting structure materials, supports the workpiece, and facilitates cutting and separation between the support body 1 and the workpiece.

[0053] The end of the support piece 3 connected to the support surface...

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Abstract

The invention relates to the technical field of additional materials, in particular to an additional material support structure which is used for supporting a workpiece during the metal powder 3D printing process and comprises a support body, wherein the support body is a honeycomb structure; the surface for supporting the workpiece of the support body is a support surface; and a plurality of support pieces are arranged on the support surface. The additional material support structure reduces material consumption of the support structure on the condition of ensuring the support strength.

Description

technical field [0001] The invention relates to the technical field of metal additive manufacturing, in particular to an additive support structure. Background technique [0002] Metal additive manufacturing generally forms three-dimensional workpieces by melting and connecting layers of powdered metal materials. This technology can manufacture metal workpieces with complex shapes that are difficult to complete with traditional techniques. However, in some special structures, especially cantilever structures, collapse and warping deformation will occur during the process, which will affect the shape accuracy and dimensional accuracy of the workpiece, and even lead to construction failure in severe cases. [0003] In the existing metal additive manufacturing technology, the support structure includes tree, column, and cube structures, resulting in a large amount of material loss for the existing support structure. Contents of the invention [0004] The purpose of the prese...

Claims

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Application Information

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IPC IPC(8): B22F3/105B33Y30/00
CPCB33Y30/00B22F10/00B22F10/47Y02P10/25
Inventor 蒋疆邓明鲁樊勇杨三强王慧如苗伟李群陈嘉琦
Owner 北京星驰恒动科技发展有限公司
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