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A multi-silo, pressure-adjustable 3D printing system and method

A 3D printing, multi-silo technology, applied in the field of 3D printing manufacturing, can solve the problems of single product component material, unable to meet the diversity of internal microstructure of components, single microstructure, etc., to achieve the effect of quality assurance

Active Publication Date: 2021-02-12
杨清萍
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current single-silo metal melting 3D printing has three defects in the normal pressure environment in the air: ①Single-silo makes the product component material single, and only one material component can be printed at a time
②Printing in a normal pressure environment makes the internal microstructure of the component single, which cannot meet the requirements of the diversity of the internal microstructure of the component (denser, or looser and more transparent than the conventional one)

Method used

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  • A multi-silo, pressure-adjustable 3D printing system and method
  • A multi-silo, pressure-adjustable 3D printing system and method

Examples

Experimental program
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Effect test

Embodiment example 1

[0044] Implementation case 1, the system of the present invention processes "vehicle-mounted high-pressure hydrogen storage cylinders with aluminum inner tubes".

[0045] Since iron and steel materials will melt into trace amounts of hydrogen during the smelting process, if used improperly, hydrogen embrittlement will easily occur and fracture will occur. Therefore, high-pressure hydrogen storage equipment generally cannot use steel materials, and steel materials exposed to high-pressure hydrogen will accelerate the occurrence of hydrogen embrittlement. Usually high-pressure hydrogen storage tanks are made of aluminum alloy, but the strength of aluminum alloy is much lower than that of steel. With the promotion of hydrogen energy vehicles, it has always been the dream of hydrogen production enterprises to manufacture high-quality, low-cost hydrogen storage equipment with aluminum inner tubes and steel sheaths. It would be a good choice to make "vehicle-mounted high-pressure h...

Embodiment example 2

[0054] Example 2, the system of the present invention processes "SiC carrier of hydrogen production catalyst by hydrolysis of sodium borohydride".

[0055] The "SiC carrier of sodium borohydride hydrolysis hydrogen production catalyst" prepared by the known technology is usually granular. Since the internal microstructure of the SiC carrier is required to be loose, permeable, and the specific surface area is large enough, the manufacturing process of the known technology is complicated. Acid corrosion is required, and polluted waste is discharged. However, the system of the present invention can use argon gas whose working gas pressure is lower than 1 standard atmospheric pressure, and 3D print out "SiC carrier of hydrogen production catalyst by hydrolysis of sodium borohydride".

[0056] This case is matched with a cylindrical hydrolysis hydrogen production reaction vessel, and the "catalyst SiC carrier" is designed as a cylinder with a certain appropriate wall thickness. Th...

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Abstract

The invention discloses "a multi-bin, pressure-adjustable 3D printing system and process method". The invention consists of a printing environment generating device and a 3D printing device, and its technical features are: the printing environment generating device is composed of a closed working room, a compressed air pump, a vacuum pump, an integrated temperature and pressure sensor, a gas component sampling detection device, and an environmental system control unit composition. The 3D printing device consists of a 3D image generation device, a 3D motion workbench, a multi-material warehouse, a laser sintering nozzle device, and a printing operation screen. The environmental system control unit creates a 3D printing working environment, changes the working pressure and temperature of 3D printing, and greatly increases the different performances of the same material components. No waste liquid, waste gas and waste residue are discharged during the operation, which is friendly to the environment.

Description

technical field [0001] The present invention relates to the technical field of 3D printing and manufacturing, specifically refers to the 3D printing operation in which the pressure of the working gas can be adjusted by multiple bins to process metals, alloys, or other materials (Al 2 o 3 , SiC, plastics, etc.) systems and methods. Background technique [0002] 3D printing is called "the engine of the intelligent manufacturing industry". 3D printing is a subversion of the traditional manufacturing technology mode, from the material cutting and reducing processing mode to the material adding incremental manufacturing mode. The current single-silo metal melting 3D printing has three defects in the normal pressure environment in the air: ①Single-silo makes the product component materials single, and only one material component can be printed at a time. ②Printing in a normal pressure environment makes the internal microstructure of the component single, which cannot meet the re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22F3/105B28B1/00C04B35/565C04B38/00B33Y10/00B33Y30/00B33Y50/02
CPCY02P10/25
Inventor 杨清萍
Owner 杨清萍
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