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Additive manufacturing method of electric arc fuse wire with cross structure

A technology of additive manufacturing and electric arc, which is applied in the direction of manufacturing tools, arc welding equipment, welding equipment, etc., can solve problems such as difficult processing and concave intersections, and achieve the effect of controllable angle

Active Publication Date: 2017-03-22
CAPITAL AEROSPACE MACHINERY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the cross rib structure of arc fuse additive manufacturing, if there are defects such as necking and collapse at the intersection, it will be difficult to process a structure with a size that meets the needs of use, such as Figure 1b Problems with recessed intersections shown

Method used

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  • Additive manufacturing method of electric arc fuse wire with cross structure
  • Additive manufacturing method of electric arc fuse wire with cross structure
  • Additive manufacturing method of electric arc fuse wire with cross structure

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Experimental program
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Embodiment Construction

[0031] Below in conjunction with accompanying drawing and specific example the present invention is described in further detail:

[0032] By adopting the arc fuse additive manufacturing method of the cross structure of the present invention, a multi-layer forming layer grid can be formed on the substrate to achieve a set grid height. The specific implementation steps are as follows:

[0033] (1) Form the first layer of forming layer grid on the substrate, the specific realization process is as follows:

[0034] (1a), set N points on the substrate along the set forming direction, and record them as points A in turn 1 、A 2 ,...,A N , N is a positive integer; then use the arc fuse additive manufacturing process at point A 1 ~A N The first type of single-track shaping layer path is formed between them, and the shaping layer path starts at point A 1 as the arc starting point, with A N is the arc extinguishing point, with A 2 ~AN-1 is the inflection point; where: the inflect...

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Abstract

The invention provides an additive manufacturing method of an electric arc fuse wire with a cross structure. With adoption of the additive manufacturing method, two types of forming layer paths intersect to form grids, and the forming layer paths do not mutually cross each other, so that the defects that the cross structure collapses, necks down and protrudes are avoided and grid shaped reinforcing ribs without structural defects are formed to meet the follow-up machining and using demands; and in addition, the grid cross structure is controllable in angle, is suitable for the machining demands of the grid shaped reinforcing ribs of multiple forms, high in applicability, simple in forming technology and easy to realize.

Description

technical field [0001] The invention relates to the technical field of arc fuse additive manufacturing, in particular to an arc fuse additive manufacturing method with a cross structure, which is suitable for arc fuse additive manufacturing of aluminum alloys, titanium alloys, high-temperature alloys and other materials. Background technique [0002] The arc fuse additive manufacturing technology belongs to the "3D printing" technical field. It has the advantages of high forming efficiency, high material utilization rate, low equipment cost, short manufacturing cycle, and near-net shape products. It is very suitable for promotion and application in the aerospace field. [0003] The aerospace field has strict requirements on the weight of products. To ensure the strength, various forms of rib structures are often used, among which the grid rib structure is the most common. Mesh ribs have different mesh forms such as rhombus and square. The analysis of these grid-shaped rib s...

Claims

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Application Information

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IPC IPC(8): B23K9/04B23K9/235
CPCB23K9/04B23K9/235
Inventor 王国庆王福德田彩兰何京文陈济轮金盈池李权严振宇董鹏梁晓康刘天亮周庆军
Owner CAPITAL AEROSPACE MACHINERY
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