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Metal additive material manufacturing support method and device based on shape following base plate

A metal additive and support method technology, applied in the field of metal additive manufacturing, can solve problems such as bending deformation, complex shape and structure of parts, and large distance between the supporting area and the substrate, achieving sufficient rigidity, strong overall stability, and reduced The effect of removing intensity

Active Publication Date: 2019-11-08
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of the complex shape and structure of the molded parts, the large distance between the support area and the substrate causes the addition of a higher tapered support, and the problem of bending deformation during molding

Method used

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  • Metal additive material manufacturing support method and device based on shape following base plate
  • Metal additive material manufacturing support method and device based on shape following base plate
  • Metal additive material manufacturing support method and device based on shape following base plate

Examples

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Effect test

Embodiment 1

[0040] refer to Figure 1 to Figure 6 , a metal additive manufacturing support device based on a conformal substrate, figure 1Shown is a hanging surface with a hole-like structure, and the height of the hanging surface from the fixed base plate is relatively large, which is used to increase the strength and stability of the part support, and ensure the bottom surface of the formed part and the molding quality of the complex structure. The present invention uses A metal additive manufacturing support method based on a conformal substrate. As shown in the figure, it includes a fixed substrate 1 , a substrate support 2 , a conformal auxiliary substrate 3 , a conformal substrate 4 , a conformal support 5 , a conformal substrate support region 6 and a fixed substrate support region 7 .

[0041] The invention is a metal additive manufacturing support method based on a conformal substrate, comprising the following steps:

[0042] S1. Import the 3D model of the formed part into the ...

Embodiment 2

[0053] refer to Figure 5 to Figure 10 , a metal additive manufacturing support device based on a conformal substrate, Figure 7 A support method for metal additive manufacturing of conformal substrates with multiple shapes is illustrated. The metal additive manufacturing support method of Example 2 is basically the same as the specific implementation method of Example 1, the difference is that Example 2 requires the design of multiple conformal substrates with contours of support regions. The following combination Figure 7 , Figure 8 and Figure 9 Introduce the metal additive manufacturing support method of Example 2.

[0054] Combined with the implementation method of Example 1, the molded part 18 of Example 2 needs to add conformal substrates in the support area 19 and support area 20, and the support heights 14 and 16 of the conformal molding substrate 21 are determined through the magics software, and corresponding in the support list Add tapered support to the sup...

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Abstract

A metal additive material manufacturing support method based on a shape following base plate is used for reducing the distance between a supporting point and a base plate, various generated support areas serve as a base, the shape following base plate related to the surface of a formed component is downwards established, a new support is generated on the shape following base plate, and accordinglythe support height is lowered. The shape following base plate can guarantee the generated support forming quality along with constant changes of the height, the shape and the thickness of the formedface. A metal additive material manufacturing support device based on the shape following base plate is provided. When formed components are complex in shape and structure and the support areas are high, on one hand, a conical support can be continuously utilized, materials are saved, and the removal difficulty is lowered; and on the other hand, the height of the support, making contact with the formed bottom face, of the base plate can be effectively reduced, and the component bottom face and structure forming quality is improved.

Description

technical field [0001] The invention relates to a support method and device for metal additive manufacturing based on a conformal substrate. It mainly involves the use of selective laser melting system to spread powder on the substrate and solidify the parts with complex structure and large size, especially the parts with large vertical height between the support area and the substrate plane, which are used to increase the strength and strength of the part support. Stability, to ensure the molding quality of the bottom surface of the molded parts and complex structures. The invention belongs to the field of metal additive manufacturing. Background technique [0002] Metal additive manufacturing discretizes a three-dimensional entity into a two-dimensional section of a certain thickness through layered calculations, and melts powder materials layer by layer through laser beams to form molded parts of any complex shape. In the process of metal additive manufacturing, the pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105B33Y10/00B33Y40/00
CPCB33Y10/00B33Y40/00B22F10/00B22F10/47B22F10/28B22F10/80Y02P10/25
Inventor 姜献峰董星涛陈宾宾唐展张滨斌
Owner ZHEJIANG UNIV OF TECH
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