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Method for testing fineness of 3D printed object

A technology of 3D printing and testing methods, applied in the field of 3D printing, can solve problems such as failure to print out, easy loss or distortion of SLA printing, etc., to achieve strong market competitiveness and improve market competitiveness

Inactive Publication Date: 2018-11-13
DONGGUAN ZHANSHENG MOLD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the 3D printing of shoe soles has patterns on all surfaces, especially the side wall patterns, which are easily lost or distorted during SLA printing and cannot be printed out.

Method used

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  • Method for testing fineness of 3D printed object
  • Method for testing fineness of 3D printed object

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] When modeling, the width, length and height of the first and second cuboid models in the test pattern model are respectively 0.3mm, 20mm and 0.3mm; A hollow cuboid of 100*100*20mm; use SLA 3D printing technology to print out the test piece entity 1 according to the test piece solid model, and in the test pattern on the A surface (top) of the test piece entity 1, the width of the first cuboid is AX, The width of the second cuboid is AY, the height of the first cuboid and the second cuboid is AH, in the test pattern of the B surface (left side) in the test piece entity 1, the width of the first cuboid is BX, and the width of the second cuboid is BX. The width is BY, and the height of the first cuboid and the second cuboid is BH. In the test pattern on the C surface (front end face) of the test piece entity 1, the width of the first cuboid is CX, and the width of the second cuboid is CY. The height of the first cuboid and the second cuboid is CH. After measuring with the m...

Embodiment 2

[0031] When modeling, the width, length and height of the first and second cuboid models in the test pattern model are respectively 0.5mm, 20mm and 0.3mm; A hollow cuboid of 100*100*20mm; use SLA 3D printing technology to print out the test piece entity 1 according to the test piece solid model, and in the test pattern on the A surface (top) of the test piece entity 1, the width of the first cuboid is AX, The width of the second cuboid is AY, the height of the first cuboid and the second cuboid is AH, in the test pattern of the B surface (left side) in the test piece entity 1, the width of the first cuboid is BX, and the width of the second cuboid is BX. The width is BY, and the height of the first cuboid and the second cuboid is BH. In the test pattern on the C surface (front end face) of the test piece entity 1, the width of the first cuboid is CX, and the width of the second cuboid is CY. The height of the first cuboid and the second cuboid is CH. After measuring with the m...

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PUM

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Abstract

The invention discloses a method for testing the fineness of a 3D printed object. The method comprises the following operation steps that modeling is carried out, wherein a test piece entity model isdesigned, a plurality of testing figure models are arranged on the outer side face and the top of the test part entity model, and the testing figure models comprise first cuboid models and second cuboid models perpendicularly and evenly distributed in the X-axis direction and the Y-axis direction in a cross manner; printing is carried out, wherein a testing part entity is printed according to thetesting part entity model through the SLA 3D printing technology, testing figures are formed on the outer side face and the top of the testing part entity, and the testing figures comprise first cuboids and second cuboids perpendicularly and evenly distributed in the X-axis direction and the Y-axis direction; measurement is carried out, wherein the widths, lengths and heights of the first cuboidsand the second cuboids are measured through a testing tool, and data is recorded; and comparison and evaluation, wherein the width, length and height measurement data of the first cuboids and the second cuboids in the testing figures of the testing part entity is compared with modeling data to evaluate the SLA 3D printing fineness.

Description

Technical field: [0001] The invention relates to the technical field of 3D printing, in particular to a test method for testing the fineness of 3D printed objects. Background technique: [0002] The application of 3D printing technology is becoming more and more extensive, and the quality of printed objects is also constantly improving. [0003] Various 3D printing systems print objects with their own characteristics. Among them, SLM (Selective Laser Melting) technology is suitable for printing metal objects, and SLS (Selective Laser Sintering) technology is suitable for printing high-performance thermoplastic elastomers. 3DP (three-dimensional printing rapid prototyping technology) is suitable for printing of various powder materials, INKJET (inkjet) technology is suitable for printing of color objects, and SLA (stereolithography) technology is suitable for general models and objects with high-precision requirements printing etc. [0004] Although the existing SLA printin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C64/386B33Y50/00
CPCB33Y50/00B29C64/386
Inventor 周遂新卢庆全鄢鹏
Owner DONGGUAN ZHANSHENG MOLD