3D (Three Dimensional) printing product surface polishing method and device thereof

A 3D printing and surface polishing technology, applied in the field of 3D printing, can solve problems such as inability to use polishing, and achieve the effects of convenient disassembly and installation, high polishing efficiency and simple operation

Inactive Publication Date: 2014-01-22
FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to address the particularity of the shape of 3D printed products: multi-bosses, multi-curved surfaces, and multi-embedded structures, which cannot be po

Method used

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  • 3D (Three Dimensional) printing product surface polishing method and device thereof
  • 3D (Three Dimensional) printing product surface polishing method and device thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0023] Example 1

[0024] Place the cube printed with ABS resin as the raw material on the tray, put the tray into a heatable container, pour an appropriate amount of acetone solution, the liquid level of the acetone solution should be 2-3cm lower than the tray, and place the right-angle triangle interface and condense in turn Install the tube and pass condensed water. After the device is installed, heat it in a water bath, control the temperature at 56°C, keep it for 1 min, stop heating, and cool to room temperature. After the solvent on the sample surface is completely volatilized, take it out. After testing, the cube polished by this method has a smooth surface and no bubbles, the surface roughness reaches Ra 0.005, and the machining error is less than 0.1 μm.

Example Embodiment

[0027] Example 2

[0028] Place the cylinder printed with PCL resin as raw material on the tray, put the tray into a heatable container, pour an appropriate amount of chloroform and acetone mixed solution (volume ratio 1:1), the liquid level of the mixed solution should be lower than the tray 2-3cm, install the right-angle triangle interface and the condenser tube in turn, and pass the condensed water. After the device is installed, heat it in a water bath, control the temperature at 61℃, keep it for 2 minutes, stop heating, cool to room temperature, and wait for the solvent on the sample surface After the volatilization is complete, take it out. After testing, the cube polished by this method has a smooth surface and no bubbles, the surface roughness reaches Ra 0.005, and the machining error is less than 0.1 μm.

Example Embodiment

[0031] Example 3

[0032] Place the cylinder printed with PLA as the raw material on the tray, put the tray into a heatable container, pour an appropriate amount of chloroform solution, the liquid level of the chloroform solution should be 2-3cm lower than the tray, and then connect the right-angle triangle interface and condense Install the tube and pass condensed water. After the device is installed, heat it in a water bath, control the temperature at 61°C, keep it for 1 min, stop heating, and cool to room temperature. After the solvent on the sample surface is completely evaporated, take it out.

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PUM

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Abstract

The invention relates to a 3D (Three Dimensional) printing product surface polishing method and a device needed by the 3D printing product surface polishing method. The 3D printing product surface polishing method comprises the following steps: putting a 3D printed product into the device with a special design; utilizing a solvent capable of dissolving the product as a chemical polishing agent; heating the solvent to generate steam; and carrying out polishing treatment on the surface of the related product by using the steam. Compared with the prior art, a steam etching technology is adopted; the preparation process is simple and the polishing efficiency is high; the solvent can be recycled and the environment is not polluted, so that an environment-friendly and efficient polishing technology is provided.

Description

technical field [0001] The invention belongs to the technical field of 3D printing, and in particular relates to a method and a device for polishing the surface of a 3D printing product. Background technique [0002] 3D printing is a kind of rapid prototyping technology. It is a technology based on digital model files, using adhesive materials such as plastic, metal and plaster, to construct objects by layer-by-layer accumulation. The technology has applications in jewelry, footwear, industrial design, architecture, engineering and construction, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields. However, since the thickness of each layer of the product produced by the 3D printer is as high as 100 microns, in the process of layer-to-layer accumulation, it is often rough along the thickness direction of the section (that is, the Z direction), which restricts its high surface quality re...

Claims

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Application Information

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IPC IPC(8): C08J7/02C08J7/12C08L55/02C08L67/04C08L77/00C08L67/02C08L69/00C08L25/06C08L59/00C08L27/06
Inventor 马林吴立新王丽丽卓东贤翁子骧
Owner FUJIAN INST OF RES ON THE STRUCTURE OF MATTER CHINESE ACAD OF SCI
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