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A metal part manufacturing system and method for micro-casting laser shock texture

A laser shock and metal parts technology, applied in the field of metal parts manufacturing, can solve the problems of unavoidable internal defects of additively manufactured parts, and the uniformity of the structure affects the overall performance, so as to achieve uniform refinement of the microstructure, improve the mechanical properties of the structure, eliminate the Effects of Welding Residual Stresses

Active Publication Date: 2021-01-19
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

[0005] In view of the above defects or improvement needs of the prior art, the present invention provides a metal part manufacturing system and method of micro-casting laser shock texture, thereby solving the problem that the internal defects of the current additive manufacturing parts are difficult to avoid, and the uniformity of the structure affects the overall performance technical issues

Method used

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  • A metal part manufacturing system and method for micro-casting laser shock texture
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  • A metal part manufacturing system and method for micro-casting laser shock texture

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Embodiment 1

[0053] use as figure 1 In the system shown, the selected raw material is titanium alloy TC4-DT, the shape of the raw material is metal wire, and the supply method is wire-feeding, which specifically includes the following steps:

[0054] S1: Select the parameters such as the tissue performance and structural stiffness of the part as the optimization target, and apply the constraint information such as displacement constraints, load magnitude, and force direction according to the specific use environment, and design the overall texture structure, and the texture parts are meshed structure, such as image 3 As shown in , including the edge of the part and the internal network structure, the part shown by the black thick line is the texture part, and the laser shock texture strengthening track is preset;

[0055] S2: Through the 3D CAD model and features, zoning and layering, and processing parameters of the metal part 3 to be formed, an additive forming trajectory suitable for ...

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Abstract

The invention discloses a metal part manufacturing system and method adopting micro-casting and laser shock texturing, and belongs to the field of metal part manufacturing. The system comprises a micro-casting module, a laser shock texturing module, a five-axis linkage workbench and a control device, wherein the micro-casting module is connected with the laser shock texturing module through a machine tool spindle, a double-axis position changing mechanism of the five-axis linkage workbench is located below the micro-casting module and the laser shock texturing module and used for containing ato-be-formed metal part, and the control device comprises a detection device, and is connected with the micro-casting module, the laser shock texturing module and the five-axis linkage workbench. Theprocesses of micro-casting and laser shock texturing are compounded for metal part machining and manufacturing, the problems that during metal part additive manufacturing, internal defects exist, thestructure property is poor, and the toughness and other mechanical performance are poor can be solved, and the metal part manufacturing system and method are suitable for machining high-performance complex components.

Description

technical field [0001] The invention belongs to the field of metal part manufacturing, and more specifically relates to a metal part manufacturing system and method for micro-casting laser shock texture. Background technique [0002] The traditional manufacturing process of metal parts is mainly through casting or forging, combined with turning, milling, grinding and other mechanical subtractive processing to obtain parts that meet the quality and precision requirements, but there are problems such as long processing cycle, low material utilization rate, and high manufacturing cost. [0003] Additive manufacturing technology is based on the principle of discrete-accumulation-control and uses the method of accumulating materials layer by layer to manufacture parts. Metal additive manufacturing technology does not require molds and can be directly formed according to the three-dimensional model of the part. It has the characteristics of high efficiency and low cost. Because of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/115B22F3/24B33Y10/00B33Y30/00B33Y50/02
CPCB22F3/003B22F3/115B22F3/24B33Y10/00B33Y30/00B33Y50/02
Inventor 来五星史铁林蔡建德梁飞宇
Owner HUAZHONG UNIV OF SCI & TECH
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