A support method and device for metal additive manufacturing based on conformal substrate

A metal additive and support method technology, applied in the field of metal additive manufacturing, can solve the problems of complex shape and structure of parts, large distance between the support area and the substrate, bending deformation, etc., to achieve strong overall stability, reduce removal strength, The effect of rigid feet

Active Publication Date: 2021-08-03
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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  • A support method and device for metal additive manufacturing based on conformal substrate
  • A support method and device for metal additive manufacturing based on conformal substrate
  • A support method and device for metal additive manufacturing based on conformal substrate

Examples

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Embodiment 1

[0040] Refer Figure 1 ~ 6 , A metal additive manufacturing support device based on the posate substrate, figure 1It is shown as a hanging surface with a hole-like structure, and the height of the suspended surface distance is high, and the strength and stability of the part support are increased to ensure the molding quality of the bottom surface and complex structure of the molded part, the present invention is used. A metal additive manufacturing support method based on a conformal substrate. As shown, the fixing substrate 1, the substrate support 2, the apart the auxiliary substrate 3, with the forming substrate 4, the support 5, and the forming substrate support region 6 and the fixed substrate support region 7.

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

[0042] S1, introduce the three-dimensional model of the molded piece into the MAGICS software. According to the structure...

Embodiment 2

[0053] Refer Figure 5 ~ 10 , A metal additive manufacturing support device based on the posate substrate, Figure 7 A support method of a foil metal additive manufacturing support having a plurality of shapes is illustrated. The metal additive manufacturing support method of Example 2 is substantially identical to Example 1, and the difference is that example 2 is required to design a plurality of support region profiles. The following combination Figure 7 , Figure 8 and Figure 9 The metal additive manufacturing support method of Example 2 is described.

[0054] In conjunction with Example 1, the molded member 18 of Example 2 is in the support region 19, and the support region 20 needs to add a shaped substrate. The support heights 14, 16 of the forming substrate 21 are determined by the MAGICS software, corresponding to the support list. The support area adds a tapered support; determine the total height 15 of the substrate, the substrate support total height 17 determines the num...

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Abstract

A metal additive manufacturing support method based on a conformal substrate, which is used to reduce the distance between the support point and the substrate. Based on the generated support regions, a conformal substrate related to the surface of the molded part is established downward. New supports are regenerated on the substrate to reduce the support height. The conformal substrate changes continuously with the height, shape, and thickness of the molding surface, which can ensure the molding quality of the generated support. And a supporting device for metal additive manufacturing based on a conformal substrate is provided. When the shape and structure of the molded parts are complex and the support area is high, the present invention can continue to use the tapered support on the one hand, save materials and reduce the difficulty of removal; The form quality of the underside and structure of the part.

Description

Technical field [0001] The present invention relates to a method and apparatus for manufacturing a metal additive fabric based on a condensation substrate. It is mainly involved with components that use the selective laser melting system on the surface of the substrate to curing the shape of the forming structure, in particular a part having a large number of support regions and substrate plane vertical height, and is used to increase the strength of the part support and Stability, guarantee the quality of the bottom surface and complex structure of the molded part. The invention belongs to the field of metal additive manufacturing. Background technique [0002] The metal additive manufacturing is calculated by dividing, and the three-dimensional entity is discrete into a two-dimensional section of a thickness, and the powder material is melted by the laser beam, and the molded part of any complex shape is formed. During the metal additive manufacturing process, the powder materi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B22F10/47B22F12/00B33Y10/00B33Y40/00
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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