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An electrochemical metal 3D printing method for processing serial variable diameter metal pillar structures

A 3D printing and metal column technology, applied in 3D structure electroforming, additive processing, electroforming, etc., can solve the problem of inability to process metal column structures with variable diameters, and achieve the effect of a wide range of processing applications

Active Publication Date: 2022-03-29
DALIAN UNIV OF TECH
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that the above-mentioned electrochemical metal 3D printing technology can only process metal column structures with equal diameters along the growth direction, but cannot process metal column structures with variable diameters. Chemical metal 3D printing method

Method used

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  • An electrochemical metal 3D printing method for processing serial variable diameter metal pillar structures
  • An electrochemical metal 3D printing method for processing serial variable diameter metal pillar structures
  • An electrochemical metal 3D printing method for processing serial variable diameter metal pillar structures

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with the accompanying drawings. The embodiment of the present invention will be described in detail by taking the processing of a tandem variable-diameter metal column as an example.

[0044] A tandem variable-diameter metal post processing method based on an electrochemical 3D printing method for processing variable-diameter metal posts, comprising the following steps:

[0045] In the first step, according to the metal ion solution / electrolyte 9 corresponding to the metal configuration to be printed, the electrolyte 9 is added to the print nozzle 1 through the electrolyte replacement port 8, and the print nozzle 1 is fixed in the print nozzle clip 2 On the print nozzle clamp bracket 3; connect the anode rod 5 and the cathode substrate 11 to the positive and negative electrodes of the power supply respectively; the micro-feed pump 7 is connected to the print nozzle 1 through the air pipe 6, and the pri...

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Abstract

The invention discloses an electrochemical metal 3D printing method for processing a tandem variable-diameter metal pillar structure, which belongs to the fields of metal 3D printing technology and electrochemical manufacturing technology. The electrolyte is extruded from the nozzle and contacts the cathode substrate to form a meniscus, which is divided into three parts: inverted cone, cylinder and cone; by adjusting the distance between the printing nozzle and the cathode substrate, the deposition layer is located on the Different parts of the meniscus; when the sedimentary layer is located in the conical, cylindrical and inverted conical shape of the meniscus, the sedimentary layer will be deposited along the shape of the liquid-gas interface of the meniscus to form a corresponding inverted conical metal Columns, cylindrical metal columns and tapered metal columns. When processing a tandem variable-diameter metal pillar structure, the electrochemical reaction first deposits cone pillars on the cathode substrate, followed by deposition of inverted cone pillars with a large diameter change gradient, and then alternately deposits tapered pillars-inverted cone pillars until processing Finish. The invention has the advantages of easy operation, low cost, good controllability and the like.

Description

technical field [0001] The invention belongs to the field of metal 3D printing technology and electrochemical manufacturing technology, and relates to an electrochemical metal 3D printing method for processing variable-diameter metal column structures, and a method for processing series-connected tapered hydrophilic self-transporting wires based on the method. Background technique [0002] Due to its special geometric characteristics, the conical column structure can realize spontaneous and directional movement of droplets on its surface, and has broad application prospects in the fields of pumpless transportation, heat dissipation and cooling, and mist collection. In 2004, France’s Concentrated Matter Physics and other research found that droplets on the tapered fiber will spontaneously move down the curvature region under the action of the Laplace pressure gradient, indicating that the tapered hydrophilic thin wire can act as a droplet Substrates for spontaneous transport ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C25D1/00B33Y10/00
CPCC25D1/003B33Y10/00
Inventor 宋金龙王宇辉闫德峰
Owner DALIAN UNIV OF TECH
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