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A 3D printing-based laser shot peening process optical path accessibility inspection method

A laser peening and 3D printing technology, applied in laser welding equipment, process efficiency improvement, manufacturing tools, etc., can solve the problems of low process design efficiency, high cost, long time consumption, etc., to meet the requirements of part shape and part processing Time-consuming and expensive, high part cost, high efficiency effect

Active Publication Date: 2022-07-12
扬州镭奔激光科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Limited by the cost of parts, resulting in low efficiency, time-consuming and high cost of process design

Method used

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  • A 3D printing-based laser shot peening process optical path accessibility inspection method
  • A 3D printing-based laser shot peening process optical path accessibility inspection method
  • A 3D printing-based laser shot peening process optical path accessibility inspection method

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Embodiment 1

[0044] like Figure 1 to Figure 5 As shown, this embodiment discloses a 3D printing-based laser shot peening process optical path accessibility inspection method, which mainly includes the following specific steps:

[0045] Step S1: Obtain a three-dimensional model of the part, or perform reverse engineering with the actual part, and measure and obtain the three-dimensional model and size of the part.

[0046] The step S1 also includes the following steps:

[0047] Step S11: When the physical part has 3D model drawings and dimensions on the computer, it can be directly imported;

[0048] Step S12 : when there is no three-dimensional model of the physical part, use a reverse-engineered three-coordinate measuring machine and a laser topography measuring instrument to perform modeling, and obtain the three-dimensional model and size of the physical part.

[0049] Step S2: Input the three-dimensional model of the part into a 3D printer to manufacture a non-metallic replica of th...

Embodiment 2

[0068] This embodiment discloses a specific example of a 3D printing-based laser shot peening process optical path accessibility inspection method: taking the typical integral component of an aero-engine, the Integrally Bladed Rotor (Integrally Bladed Rotor) as an example, for illustration. IBR is a high-speed rotary part with uniformly distributed guide vanes, which is integrally processed from blank materials. It is characterized by abandoning the traditional tenon structure and adopting an integrated structure, which can reduce the weight by more than 30% and has good aerodynamic efficiency. , rigidity, dynamic balance performance, is currently the most important aero-engine components. IBR is usually milled from forged blanks. The blank materials are expensive, the processing cycle is long and the cost is high. The value of each part is about 700,000 to 1 million.

[0069] During the laser shot peening process, due to the complexity of the process and the necessity of test...

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Abstract

The invention discloses a 3D printing-based laser shot peening process optical path accessibility inspection method. The inspection method relates to the field of laser shot peening process design of aviation integral components, and utilizes non-metal 3D printing technology with high manufacturing efficiency and accurate space replication. Advantages, rapid prototyping of aerospace integral components with complex geometry, long processing time and high part cost, and use the replica as a test piece for optical path accessibility inspection. The invention solves the contradiction between low-cost process design requirements and high parts cost by rapid prototype manufacturing, avoids laser ablation damage of parts and high-energy laser reflection, makes laser shot peening process design more efficient and economical, and is especially suitable for aero-engine blades and integral parts. Laser shot peening process design and inspection of rotary bodies such as blisks.

Description

technical field [0001] The invention relates to the technical field of surface treatment of aviation integral components, in particular to a 3D printing-based laser shot peening process optical path accessibility inspection method. Background technique [0002] Aero-engine blades, turbine disks, blisks and other components operate under high temperature, high pressure and high load, and have strict requirements on high cycle fatigue life. Laser shot peening technology is currently the most effective and suitable surface treatment technology for aviation rotors. It uses short pulse (1-20ns) and high-energy (10-20J) irradiation to generate strong shock waves (GPa) to modify the surface material. The introduction of 1-2mm deep residual compressive stress can inhibit crack initiation and delay crack propagation, which can significantly improve the fatigue performance of components during service, and is one of the key technologies in aero-engine manufacturing. [0003] Laser sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K26/352B23K26/356B23K26/00
CPCB23K26/352B23K26/356B23K26/00Y02P10/25
Inventor 张峥吴瑞煜张永康
Owner 扬州镭奔激光科技有限公司