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Preparation method of precious metal powder for 3D printing

A technology of 3D printing and manufacturing method, applied in the direction of additive processing, etc., can solve the problem of no 3D printing precious metal powder and so on

Inactive Publication Date: 2016-03-16
KANFORT JIANGMEN ENVIRONMENTAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, there is still no finished product of 3D printing precious metal powder in China

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The invention discloses a manufacturing method for 3D printing precious metal powders. The precious metal powders selected through the metal gas atomization process and vibrating grading and sieving have good plasticity properties, fine particle size, high particle size The characteristics of narrow distribution, high sphericity, good fluidity and high bulk density can meet the stringent requirements of 3D printing.

[0015] A manufacturing method for 3D printing precious metal powder, the preparation process is:

[0016] (1) According to the ratio of alloying elements, put precious metals into a high-temperature crucible, melt them in an induction melting furnace, heat them to 1200-1300°C, and keep them for 4-5 hours to obtain a precious metal molten soup a;

[0017] (2) Transfer the precious metal melt a in the crucible of the induction melting furnace to the crucible of the metal gas atomization equipment, and flow out from the lower nozzle, while the double-flow hig...

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PUM

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Abstract

The invention belongs to the field of metal powder processing and particularly relates to a preparation method of precious metal powder for 3D printing. The preparation method comprises the step that precious metal powder is separated out through vibration classification screening by means of a metal gas atomization technique. The prepared precious metal powder has the characteristics of being good in plasticity, small in particle size, narrow in particle size distribution, high in degree of sphericity, good in fluidity and high in apparent density and can meet strict requirements of 3D printing.

Description

technical field [0001] The invention belongs to the field of metal powder processing, and in particular relates to a manufacturing method for 3D printing precious metal powder. technical background [0002] 3D printing technology is an emerging technology that is rapidly developing in the manufacturing field. It is called "manufacturing technology with industrial revolution significance". , home appliances, biomedicine and other fields have been applied to a certain extent, and also occupy a unique position in the fields of engineering, teaching and research. 3D printing is based on the computer 3D design model, through the software layered discrete and numerical control molding system, using laser beams, hot-melt nozzles, etc. to process special materials such as metal powder, ceramic powder, plastic, cell tissue, and sand layer by layer Accumulated and bonded, and finally superimposed and formed to produce a physical product. The raw materials for 3D printing are special...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22F9/08B33Y70/00
Inventor 朱振华李三梅蒋发权
Owner KANFORT JIANGMEN ENVIRONMENTAL TECH CO LTD