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Auxiliary support structure for suppressing deformation of thin-walled structures

A technology of auxiliary support and thin-walled structure, which is applied in the direction of additive manufacturing, improvement of process efficiency, and additive processing, etc., can solve the problem of difficult control of the deformation of the open structure, the difficulty of removing the support, the heavy workload, and the inaccurate surface accuracy. Guarantee and other issues, to achieve the effect of reducing the difficulty and workload of support removal, suppressing surface deformation, and suppressing warping deformation

Active Publication Date: 2020-03-17
CAPITAL AEROSPACE MACHINERY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Therefore, for thin-walled suspended structures or different types of thin-walled open structures, the use of existing auxiliary support design technology still has the disadvantages of large processing volume, unguaranteed surface accuracy, difficulty in removing supports and large workload, and large-format open structures. Difficult to control the curvature deformation and other problems

Method used

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  • Auxiliary support structure for suppressing deformation of thin-walled structures
  • Auxiliary support structure for suppressing deformation of thin-walled structures
  • Auxiliary support structure for suppressing deformation of thin-walled structures

Examples

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Embodiment 1

[0023] Such as figure 1 As shown, an auxiliary support structure for suppressing deformation of a thin-walled structure according to the present invention is provided between the thin-walled structure 1 and the formed substrate to form a support, which includes a fixedly connected grid support part 2 and a solid support part 3, That is, the auxiliary support structure adopts an integral auxiliary support in which the section in the growth direction is in the form of "grid + solid", and the solid part and the grid part are firmly connected.

[0024] The lower end of the grid support part 2 is supported on the solid support part 3, and a support is formed between the suspended end of the thin-walled structure 1 and the solid support part 3; the grid support part 2 adopts a sheet type or "mountain" font structure; the upper end of the solid support part 3 is supported on the lower end surface of the grid support part 2, and the lower end is supported on the shaped substrate; the ...

Embodiment 2

[0032] Such as figure 1 As shown, an auxiliary support structure for suppressing deformation of a thin-walled structure according to the present invention is provided between the thin-walled structure 1 and the formed substrate to form a support, which includes a fixedly connected grid support part 2 and a solid support part 3, That is, the auxiliary support structure adopts an integral auxiliary support in which the section in the growth direction is in the form of "grid + solid", and the solid part and the grid part are firmly connected.

[0033] The lower end of the grid support part 2 is supported on the solid support part 3, and a support is formed between the suspended end of the thin-walled structure 1 and the solid support part 3; the grid support part 2 adopts a sheet type or "mountain" font structure; the upper end of the solid support part 3 is supported on the lower end surface of the grid support part 2, and the lower end is supported on the shaped substrate; the ...

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Abstract

The present invention provides an auxiliary support structure that suppresses deformation of thin-walled structures. The auxiliary support structure includes a fixedly connected grid support part and a solid support part, that is, the auxiliary support structure adopts an integral auxiliary support in which the section in the growth direction is in the form of "grid + solid" and the solid part and the grid part are firmly connected; The lower end of the grid support part is supported on the solid support part, and a support is formed between the suspended end of the thin-walled structure and the solid support part; the grid support part adopts a sheet-type or "mountain"-shaped structure; the The upper end of the solid support part is supported on the lower end surface of the grid support part, and the lower end is supported on the shaped substrate; the solid support part adopts a "mountain" or "Y" structure. The invention can effectively suppress the warping deformation of the inclined thin-walled open structure and the floating deformation of the relatively large-scale thin-walled open structure, and ensure the shape precision of the thin-walled suspended and open structure.

Description

technical field [0001] The invention belongs to the technical field of laser selective melting additive manufacturing, and in particular relates to an auxiliary support structure for suppressing deformation of thin-walled structures. Background technique [0002] Laser selective melting additive manufacturing technology, based on alloy powder layer-by-layer melting and forming to manufacture complex parts, has unique advantages in the overall manufacturing of complex cavities, profiles, thin-walled, and variable-section parts of difficult-to-machine metals such as titanium alloys and high-temperature alloys. At present, the auxiliary support of laser selective melting additive manufacturing parts is mainly designed as a whole solid type, a whole grid type or a composite support in the form of "grid + solid" in the inner section of the forming format. The residual stress of the auxiliary support in the form of integral solid structure is large, and it is easy to cause problem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B33Y30/00
CPCB33Y30/00B22F10/00B22F10/47B22F10/28Y02P10/25
Inventor 周庆军严振宇张朋旭陈济轮王国庆徐雯侯谊飞梁晓康田彩兰淡婷
Owner CAPITAL AEROSPACE MACHINERY
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