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A test device for the characteristics of the polymerization inhibition zone of continuous liquid surface photocuring molding

A technology of light-curing molding and characteristic testing, which is applied in the direction of measuring devices, manufacturing auxiliary devices, permeability/surface area analysis, etc., can solve the problems of lack of research on the characteristics of the polymerization inhibition zone, and achieve the effect of solving oxygen leakage

Active Publication Date: 2021-01-15
XIAN UNIV OF TECH
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Problems solved by technology

In order to study the law that the polymerization inhibition zone affects printing efficiency and quality, it is necessary to measure the concentration of oxygen and the light intensity, which are the main factors that determine the thickness of the polymerization inhibition zone, as well as the thickness of the polymerization inhibition zone under this condition, but the characteristics of the polymerization inhibition zone are currently lacking. research device

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  • A test device for the characteristics of the polymerization inhibition zone of continuous liquid surface photocuring molding
  • A test device for the characteristics of the polymerization inhibition zone of continuous liquid surface photocuring molding

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Embodiment Construction

[0020] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] Such as figure 1 As shown, a continuous liquid surface light-curing forming polymerization inhibition zone characteristic test device is characterized in that it includes a PC machine 1, a carrier plate 2, a feeding device 3, a side support plate 4, a resin tank 5, and an oxygen supply device 6 , pedestal 7, leveling device 8, base 9, curing light source 10, upper bracket 11, video microscope observer 12 in the polymerization prevention zone; the PC 1 is connected with the video microscope microscope 12 in the polymerization prevention zone, Polymerization zone video microscopic observer 12 is fixed on the side support plate for real-time observation of changes in the thickness of the polycondensation zone, the resin tank 5 is connected to the oxygen supply d...

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Abstract

The invention discloses a continuous liquid interface photo-curing shaping polymerization inhibition zone feature testing apparatus including a PC machine, a feeding device, a resin trough, an oxygensupplying device, a curing light source, and a polymerization inhibition zone video microscopic observing device. The PC machine is connected to the polymerization inhibition zone video-microscopic observing device which is fixed on a side support board and is used for observing thickness change of the polymerization inhibition zone in real time. The resin trough is connected to the oxygen supplying device. The lower end of a base frame is fixed on a pedestal. The curing light source is fixed on the upper surface of the pedestal. A bracket is fixed to the upper end of the base frame. The resintrough and the side support board are fixed on the bracket. The feeding device is fixed on the side support board. A support plate for supporting a to-be-printed part is connected with the feeding device. The apparatus solves a problem of oxygen leakage. By means of cooperation of the oxygen supplying device and the curing light source, thickness of the polymerization inhibition zone can be adjusted. The video microscopic observing device can be used for observing the status of the polymerization inhibition zone in real time. The apparatus can supply experimental data for the thickness of thepolymerization inhibition zone under conditions such as different optic-thin film materials and the like.

Description

technical field [0001] The invention belongs to the field of photocuring 3D printing, and in particular relates to a device for testing the characteristics of a polymerization inhibition zone of continuous liquid surface photocuring molding. Background technique [0002] Surface exposure 3D printing is to generate a layered contour mask, and one exposure completes the curing of one layer of the solid part, which can significantly improve the molding efficiency. Among the two methods of free surface exposure and constrained surface exposure of surface projection molding, constrained surface exposure has a broader application prospect because of its advantages of saving materials, small deformation, high curing efficiency and high surface quality. The main problem in the constrained surface exposure process is that the cured layer has a strong adhesion on the bottom surface of the resin tank as the constrained wall surface, and the printing material will repeatedly form a cure...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00G01N21/59G01N15/08B29C64/124B29C64/386B33Y50/00
CPCB33Y50/00B29C64/124B29C64/386G01N15/08G01N21/59G01N33/00G01N2015/086
Inventor 王权岱李志龙郭兵兵袁启龙李淑娟李言
Owner XIAN UNIV OF TECH
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