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A 3D printing method based on self-propagating reaction

A 3D printing, self-propagating technology, applied in the direction of additive processing, etc., can solve the problems of not being able to quickly obtain printed parts and poor mass production capacity, and achieve the effects of shortening the printing cycle, low cost, and easy manufacturing

Inactive Publication Date: 2017-03-29
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These technologies cannot obtain printed parts quickly and have poor mass production capabilities

Method used

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  • A 3D printing method based on self-propagating reaction
  • A 3D printing method based on self-propagating reaction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Such as figure 1 Shown a kind of 3D printing method based on self-propagating reaction of the present invention, comprises the following steps:

[0030] Step 1: Install the copper flange that needs to be repaired and perform size measurement and material analysis on the flange mouth. The material of the copper flange mouth is copper aluminum alloy, with an outer diameter of 200mm, an inner diameter of 100mm, a height of 30mm, and a wall thickness of 15mm;

[0031] Step 2: Use ProE to model the copper flange that needs to be repaired, and enter the measured data;

[0032] Step 3: Divide the built three-dimensional model into two-dimensional sections, each section height is 5mm, and transmit the section information to the displacement controller and the response controller through the software interface;

[0033] Step 4: The displacement controller retrieves the two-dimensional section information of the first layer, controls the combination of the X-axis motor and the ...

Embodiment 2

[0039] Such as figure 1Shown a kind of 3D printing method based on self-propagating reaction of the present invention comprises the following steps:

[0040] Step 1: Carry out size measurement and material analysis on the aluminum ingot mold to be printed, and the aluminum ingot mold material is cast iron, with a length of 980mm, a width of 285mm, a height of 180mm, and a wall thickness of 15mm;

[0041] Step 2: Use CATIA computer 3D modeling software to model the aluminum ingot mold to be printed, and input the measured data;

[0042] Step 3: Divide the built 3D model into 2D sections, and transmit the section information to the displacement controller and response controller through the software interface;

[0043] Step 4: The displacement controller retrieves the two-dimensional section information of the first layer, controls the combination of the X-axis motor and the Y-axis motor to move in a straight line, and travels 116mm and 100mm respectively, and the Z-axis motor ...

Embodiment 3

[0049] Such as figure 1 Shown a kind of 3D printing method based on self-propagating reaction of the present invention comprises the following steps:

[0050] Step 1: Install the aluminum tube to be repaired and conduct size measurement and material analysis on the nozzle. The material of the aluminum tube nozzle is aluminum alloy, with a diameter of 130mm and a wall thickness of 15mm;

[0051] Step 2: Use ProE to model the aluminum pipe that needs to be repaired, and enter the measured data;

[0052] Step 3: Divide the built three-dimensional model into two-dimensional sections, each section height is 10mm, and transmit the section information to the displacement controller and the response controller through the software interface;

[0053] Step 4: The displacement controller retrieves the two-dimensional section information of the first layer, and controls the combination of the X-axis motor and the Y-axis motor to make a semi-circular motion with a radius of 65mm. The low...

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Abstract

The invention relates to a self-propagating reaction and a 3D printing technology, in particular to a 3D printing method based on a self-propagating reaction. The self-propagating chemical reaction is used in the whole printing process for heat releasing, and an outer heat source is completely or partly not needed. In the printing process, products with needed components and structures are obtained through a self-sustained reaction of fast automatic wave combustion. The printing controllability is good, the speed, the temperature, the conversion rate and the components and the structures of the products in the process are controlled by changing the releasing and transmitting speed of heat. The self-propagating reaction and the traditional 3D printing technology are combined to increase the overall printing speed, the printing period is shortened, a large quality of printed products can be obtained rapidly, and various metal powder materials can be applied. Energy does not need to be supplied continuously once ignition is conducted, compared with laser sintering, cost is lower, efficiency is higher, and equipment is simple and easy to manufacture.

Description

technical field [0001] The present invention relates to self-propagating reaction and 3D printing technology, in particular to a 3D printing method based on self-propagating reaction. Background technique [0002] 3D printer is a machine of rapid prototyping technology. It is a technology based on a digital model file and using bondable materials such as powdered metal or plastic to construct objects by layer-by-layer printing. Use the 3D printer to print the model, without the need of traditional cutting machine tools and molds, under the control of the computer, according to the 3D model of the workpiece, through the layered discrete and accumulation process from point to line, from line to surface, from surface to volume, Quickly realize the manufacturing and forming of complex three-dimensional solids. [0003] The British "Economist" magazine believes that 3D printing technology, together with other digital production models, will promote and realize the third industri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/10B33Y10/00
Inventor 张国栋王麒瑜杨辉张雅芝张晖王帅张建强梅青松
Owner WUHAN UNIV
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