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Three-dimensional (3D) printer and method for preparing three-dimensional products by use of 3D printer

A 3D printer and three-dimensional object technology, applied in the field of 3D printing, can solve the problems of rough surface, deformation of printing layer, poor precision and so on

Active Publication Date: 2013-11-20
徐州泰铭电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

3DP technology can realize color printing and can use a variety of raw materials, but the products produced by it generally have rough surfaces and relatively poor precision
However, when the supporting parts are removed, it is easy to have adverse effects on the printing layer, including deformation or even fracture of the printing layer.

Method used

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  • Three-dimensional (3D) printer and method for preparing three-dimensional products by use of 3D printer
  • Three-dimensional (3D) printer and method for preparing three-dimensional products by use of 3D printer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0078] For the 3D printing equipment involved in this embodiment, one nozzle head with downward nozzles, one LED ultraviolet light source and one mobile support frame are installed on the X-Y working platform. The printing and curing units are arranged along the printing direction, and the support table and one fixed support frame Installed on the base, the nozzle is connected to the UV resin supply unit, and the printing thickness calibration unit independently tests the printing thickness. The temperature of the UV resin supply unit is controlled at 30°C. The LED ultraviolet light source is equipped with a quartz surface concentrating sheet, and the area where the light is concentrated on the printing layer is 3cm×3cm. The angle formed between the LED ultraviolet light source and the nozzle is 30°, and the condensing position is 5cm away from the spraying position of the nozzle.

[0079] The following steps are involved in preparing a three-dimensional product that does not ...

Embodiment 2

[0088] For the 3D printing equipment involved in this embodiment, the X-Y working platform is equipped with 9 nozzles with downward nozzles, 3 LED ultraviolet light sources and 1 mobile support frame, among which 3 printing nozzles and 1 LED ultraviolet light source form a printing and curing unit , the printing and curing units are arranged along the printing direction, the support table and three fixed support frames are installed on the base, and the nozzle delivery pipeline is connected with the same UV resin supply unit. The temperature of the UV resin supply unit is controlled at 30°C. The LED UV light source is equipped with a quartz light concentrating sheet, and the effect obtained by concentrating the light on the printing surface is a line light source, the direction is perpendicular to the printing movement direction, the length of the line light source is 3cm, the angle formed between the LED UV light source and the nozzle is 75°, and the position of the line light...

Embodiment 3

[0099] For the 3D printing equipment involved in this embodiment, the X-Y working platform is equipped with 9 nozzles with downward nozzles, 3 LED ultraviolet light sources and 1 mobile support frame, among which 3 printing nozzles and 1 LED ultraviolet light source form a printing and curing unit , the printing and curing units are arranged along the printing direction, the support table and three fixed support frames are installed on the base, and the nozzle delivery pipeline is connected with the same UV resin supply unit. The temperature of the UV resin supply unit is controlled at 30°C. The LED UV light source is equipped with a quartz concentrator, and the effect obtained by concentrating the light on the printing surface is a line light source, the direction is perpendicular to the printing movement direction, the length of the line light source is 3cm, the angle formed between the LED UV light source and the nozzle is 50°, and the position of the line light source is fa...

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PUM

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Abstract

The invention discloses a three-dimensional (3D) printer, the 3D printer comprises an X-Y working platform, spray heads installed on the X-Y working platform, light-emitting diode (LED) ultraviolet (UV) light sources, moving supporting frames, a base, fixed supporting frames, a supporting platform and UV resin material-feeding units, wherein the fixed supporting frames and the supporting platform are installed on the base, and the spray heads are connected with the UV resin material-feeding units. Through use of the 3D printer, one-way single-layer printing and one-way multi-layer printing can be carried out, multi-material printing, color printing, coating printing and other effects can be realized, and the printing efficiency is improved by times compared with that of the traditional 3D printers.

Description

technical field [0001] The invention belongs to the field of 3D printing, and in particular relates to a 3D printer and a method for preparing a three-dimensional product. Background technique [0002] 3D printing is a kind of rapid prototyping technology. It is a technology based on digital files, using powder or curable materials, and manufacturing products by layer-by-layer printing. It is in sharp contrast to the subtractive manufacturing technology used in traditional manufacturing. In contrast, 3D printing is an additive manufacturing technology that forms the final product by superimposing layers of materials. [0003] The more mainstream technologies in 3D printing technology include: fused deposition modeling technology (Fused deposition modeling, FDM), stereolithography technology (Stereolithography, SLA), selective laser sintering technology (Selective laser sintering, SLS), three-dimensional printing technology ( 3Dpringting, 3DP) etc. [0004] The FDM printer ...

Claims

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Application Information

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IPC IPC(8): B29C67/00
Inventor 廖张洁甘春丽
Owner 徐州泰铭电气有限公司
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