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Optimization method for metal 3D printing technology parameters

A technology of process parameter optimization and 3D printing, which is applied in the field of 3D printing, can solve the problems of many experiments, low experiment efficiency, labor and material resources, and achieve the effect of reducing costs and reducing the number of experiments

Inactive Publication Date: 2019-12-13
FUSHIRUI PRECISION IND ZHENGZHOU CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this way, the number of experiments will be many, the experiment period will be long, the experiment efficiency will be low, and more manpower and material resources will be consumed.

Method used

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  • Optimization method for metal 3D printing technology parameters
  • Optimization method for metal 3D printing technology parameters
  • Optimization method for metal 3D printing technology parameters

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] The metal 3D printing process parameter optimization method provided by the present invention is based on the Taguchi method, and the experimental design of the Taguchi method is as follows: figure 1 shown. The metal 3D printing process parameter optimization method of the present invention includes:

[0043] S1 determines the quality characteristic Y value of this experiment;

[0044] S2 Selection of controllable factors and level selection of each factor;

[0045] S3 conducts experimental orthogonal table design and experimental data collection based on Taguchi method;

[0046] S4 experimental data analysis;

[0047] Selection and estimation of the best conditions for S5;

[0048] S6 confirms the reliability of the current experiment;

[0049] S7 summarizes and analyzes the experiments at this stage.

[0050] Preferably, in S1, the quality characteristic Y value of this experiment is the specific density of parts.

[0051] The factors affecting the forming effe...

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Abstract

The invention provides an optimization method for metal 3D printing technology parameters. The method comprises the steps of determining a quality characteristic Y value of this experiment; selectingcontrollable factors and all factor levels; designing an experiment orthogonal table and collecting experiment data based on a Taguchi method; analyzing the experiment data; selecting and estimating an optimal condition; determining the experiment reliability of the present stage; carrying out an experiment summary of the present stage and carrying out analysis. According to the optimization method for the metal 3D printing technology parameters, based on the Taguchi method, the experiment frequency is reduced, and the cost of optimizing the technology parameters is lowered. The rule of the influence of the controllable technology parameters such as powder spreading layer thickness, laser power, scanning speed and scanning line spacing distance on the specific density of a metal 3D printing part is disclosed.

Description

technical field [0001] The invention relates to the field of 3D printing, in particular to a method for optimizing metal 3D printing process parameters. Background technique [0002] 3D printing technology, also known as additive manufacturing technology, is a high-tech manufacturing technology based on material accumulation method. It integrates mechanical engineering, CAD, reverse engineering technology, layered manufacturing technology, numerical control technology, material science, and laser technology, and can automatically, directly, quickly and accurately transform design ideas into prototypes with certain functions or directly manufacture parts , so as to provide a high-efficiency and low-cost realization means for parts prototype production and verification of new design ideas. [0003] The basic principle of 3D printing technology is layer-by-layer manufacturing and layer-by-layer superposition: first, the CAD model of the part to be processed is discretized alon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F3/105G06F17/50B33Y10/00B33Y50/02
CPCB33Y10/00B33Y50/02B22F10/00B22F10/28B22F10/36Y02P10/25
Inventor 李九江
Owner FUSHIRUI PRECISION IND ZHENGZHOU CO LTD
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