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A kind of preparation method of ultrafine bead molding

An ultra-micro and controller technology, applied in printing, typewriter and other directions, to achieve the effect of improved consistency and uniformity, and a high degree of automation

Active Publication Date: 2015-11-18
中科传感(佛山)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with developed countries, my country's inkjet printing technology is still in its infancy, and there are still many key technical problems to be solved.

Method used

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  • A kind of preparation method of ultrafine bead molding
  • A kind of preparation method of ultrafine bead molding
  • A kind of preparation method of ultrafine bead molding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] a. Selection of ceramic ink: select commercially available nano-ceramic ink, the viscosity of ceramic ink is 35cP, the surface tension is 35dyn / cm, the particle size of ceramic particles is 40nm, and the average absolute value of zeta potential is 47.5mv;

[0025] b. Inkjet printing system debugging: Filter the ceramic ink in step a through a 0.5 μm filter head, add it to the liquid storage bottle 1, enter the piezoelectric nozzle 3 through the conduit 2, and adjust the piezoelectric nozzle 3 , Electric controller 5 and air controller 6, set voltage 40±5V, signal frequency 500Hz, ink drop speed 1.2±1m / s;

[0026] c. Microbead forming: turn on the mechanical pump 8, the gas enters the gas controller 6, and after the air pressure in the gas controller 6 is stable, turn on the electric controller 5, the voltage is 40±5V, the signal frequency is 500Hz, and the ink drop speed is 1.2±1m / s, the ceramic ink is sprayed on the platinum wire electrode placed on the two-dimensiona...

Embodiment 2

[0028] a. Selection of ceramic ink: select commercially available nano-ceramic ink, the viscosity of ceramic ink is 2cP, the surface tension is 75dyn / cm, the particle size of ceramic particles is 200nm, and the average absolute value of zeta potential is 120mv;

[0029] b. Inkjet printing system debugging: Filter the ceramic ink in step a through a 0.5 μm filter head, add it to the liquid storage bottle 1, enter the piezoelectric nozzle 3 through the conduit 2, and adjust the piezoelectric nozzle 3 , Electric controller 5 and gas controller 6, set voltage 115±5V, signal frequency 20KHz, ink drop speed 24±1m / s;

[0030] c. Microbead forming: turn on the mechanical pump 8, the gas enters the gas controller 6, and after the air pressure in the gas controller 6 is stable, turn on the electric controller 5, the voltage is 115±5V, the signal frequency is 20KHz, and the ink drop speed is 24±1m / s, the ceramic ink is sprayed on the platinum wire electrode placed on the two-dimensional...

Embodiment 3

[0032] a. Selection of ceramic ink: select commercially available nano-ceramic ink, the viscosity of ceramic ink is 25cP, the surface tension is 50dyn / cm, the particle size of ceramic particles is 20nm, and the average absolute value of zeta potential is 30mv;

[0033] b. Inkjet printing system debugging: filter the ceramic ink in step a, add it to the liquid storage bottle 1, enter the piezoelectric nozzle 3 through the conduit 2, adjust the piezoelectric nozzle 3, the electric controller 5 and the gas Controller 6, setting voltage -115±5V, signal frequency 200Hz, ink drop speed 3.5±1m / s;

[0034] c. Microbead forming: turn on the mechanical pump 8, the gas enters the gas controller 6, and after the air pressure in the gas controller 6 is stable, turn on the electric controller 5, the voltage is -115±5V, the signal frequency is 200Hz, and the ink drop speed is 3.5±1m / s, the ceramic ink is sprayed on the carbon fiber wire electrode placed on the two-dimensional micro-displace...

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Abstract

The invention relates to a preparation method for moulding an ultra-micro bead. The method comprises: filtering a ceramic ink, perfusing the ceramic ink into a liquid storage bottle, placing the liquid storage bottle in an ink jet printer, and printing the ceramic ink on a filament electrode by using piezoelectric effects and air pressure control so as to form the ultra-micro bead. The formed ultra-micro bead is controllable has a controllable dimension within a range of 35 [mu] m to 150[mu] m and has extremely good consistency and stability.

Description

technical field [0001] The invention relates to a preparation method for forming ultrafine beads, in particular to an inkjet printing method for forming ultrafine beads of a ceramic ink material system. Background technique [0002] Inkjet printing technology is a non-contact digital printing technology successfully developed in the late 1970s. It refers to spraying ceramic ink onto the surface of various media through the nozzle of the print head, such as ceramic glazed tiles, acrylic, wood, paper, etc. This patent is to spray it onto the wire electrode, thus realizing a non-contact, A new material preparation method with high speed and low noise. [0003] On the basis of inkjet printing technology, the required ceramic powder is prepared into ink, and under computer control, the prepared ceramic ink can be directly printed on the filament electrode by using a special on-demand inkjet printer. This inkjet printing method has the following advantages over existing microbea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41J3/407
Inventor 常爱民陈龙蒋春萍高博孔雯雯姚金城
Owner 中科传感(佛山)科技有限公司