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A generation method of powder-coated sintered support structure for aircraft structural parts based on spatial lattice

A technology for aircraft structural parts and support structures, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve time-consuming and difficult problems

Active Publication Date: 2018-05-15
SHENYANG AIRCRAFT CORP
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  • Abstract
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  • Application Information

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Problems solved by technology

Based on the above requirements, the support structure is usually designed as a relatively complex spatial structure. If manual modeling is used, it is not only time-consuming, but also very difficult

Method used

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  • A generation method of powder-coated sintered support structure for aircraft structural parts based on spatial lattice
  • A generation method of powder-coated sintered support structure for aircraft structural parts based on spatial lattice
  • A generation method of powder-coated sintered support structure for aircraft structural parts based on spatial lattice

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Embodiment Construction

[0093] The implementation examples of the present invention will be described in detail below in conjunction with the accompanying drawings. This implementation example is carried out on the premise of the technical solution of the invention. This paper provides detailed implementation methods and specific implementation processes, but the protection scope of the present invention is not limited to the following implementation examples.

[0094] figure 1 Shown is the specific implementation flow of the support structure generation method proposed by the present invention, and its implementation steps are: 1) The overall flow of the method is: 1) Part model loading; 2) User interactive input of support structure parameters; 3) Calculation The bounding box of the support structure; 4) arrange the support lattice of the support structure in the general outline of the support structure; 5) calculate the orientation of the support rods in the lattice; 6) create the entity of the su...

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Abstract

The invention relates to a method for generating a powder-coated sintered support structure of an aircraft structural part based on a space lattice. This method first calculates the bounding box of the support structure; secondly, calculates the node positions in the support structure within the bounding box; then judges the necessity of generating support rods according to the part features and node positions; finally, according to the support rods and the user input Sketch generates solids and designs fillets or chamfers in support structures. This method has the characteristics of high efficiency and wide application range. It can be used for the rapid generation of support structures for parts with arbitrary shapes for the additive manufacturing method of powder coating and sintering, and has a good application prospect.

Description

technical field [0001] The invention relates to a method for generating a supporting structure in the powder coating and sintering manufacture of aircraft structural parts. The method can quickly generate a CAD model of a support structure, thereby providing a rapid design tool for the support structure for powder coating and sintering manufacturing of metal structures, and belongs to the technical field of additive manufacturing of metal structures. Background technique [0002] At present, the additive manufacturing method of powder coating and sintering of metal structural parts has been widely promoted and applied. In the field of aviation manufacturing, this technology has been used in the development of special-shaped parts and complex pipe fittings. In the sintering process of metal structural parts, it is necessary to design a suitable support structure according to the process characteristics of the part, and sinter the support structure at the same time during the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 杜宝瑞王勃陈树林
Owner SHENYANG AIRCRAFT CORP
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