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Material design 3D printing process based on rock and soil models

A 3D printing and 3D printer technology, applied in the field of 3D printing technology and technology, can solve problems such as controllability, inability to achieve macro and micro structures, and inability to achieve a high degree of simulation effect, so as to improve accuracy, increase the degree of reduction, The effect of improved simulation

Active Publication Date: 2017-04-26
CHINA UNIV OF GEOSCIENCES (WUHAN)
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Problems solved by technology

[0003] At present, the 3D printing of geotechnical model materials cannot realize the controllability of macro and micro structures, and the printed geotechnical model materials cannot achieve high simulation, which will easily lead to the simulation effect not being able to achieve a high degree of restoration, which is not conducive to the recurrence analysis of engineering and disasters test

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  • Material design 3D printing process based on rock and soil models
  • Material design 3D printing process based on rock and soil models

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the implementation of the present invention will be further described below in conjunction with examples.

[0020] Please refer to figure 1 and figure 2 , an embodiment of the present invention provides a material design 3D printing process based on a geotechnical model, comprising the following steps:

[0021] (1) Fill the raw material powder and additive slurry of the geotechnical model into the feeding system of the 3D printer. The feeding system includes several injection pipes and one injection pipe. In the pipeline, the additive slurry is filled in the injection pipeline, the number of injection pipelines is consistent with the type of raw materials of the geotechnical model, and the additive slurry is heated to 80°C in the injection pipeline;

[0022] (2) Use parametric design software to design the double-gradient change digital model of the material and structure...

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Abstract

The invention discloses a material design 3D printing process based on rock and soil models. The process comprises raw material powder and additive slurry for filling the rock and soil models; material and structure double-gradient change digital models of the rock and soil models are designed by parametric design software; the layered slicing is performed for the double-gradient change digital models; the content data of raw materials and additives of the rock and soil models contained in each layer of slices is analyzed and converted to air compression parameters; the raw materials and the additives of the rock and soil models are synchronously pressed in a stirring system of a 3D printer according to the air compression parameters of the first layer of slices, and are uniformly mixed through rotation of the stirring system to obtain mixed slurry; then, the mixed slurry is printed layer by layer until the construction of micro structures is finished through longitudinal and transverse printing; and the constructed micro structures are geometrically reduced to the rock and soil models. The process builds the rock and soil models layer by layer through layer-by-layer analysis structure, realizes precise control of the rock and soil models on micro-macroscopic scale, and greatly increases the simulation degree.

Description

technical field [0001] The invention relates to the field of 3D printing technology and technology, in particular to a material design 3D printing technology based on rock and soil models. Background technique [0002] With the rapid development of 3D printing technology in recent years, its technology has been widely used. Compared with traditional physical model simulation, the large-scale reduction model provides a controllable quantitative analysis method for engineering implementation and natural disaster simulation reproduction. This technology can Realize the simulation of rock and soil materials, efficiently build and print high-precision parametric models, shorten the model production period, improve the reliability of engineering and disaster analysis, and promote the advancement of disaster research and protection technology. [0003] At present, the 3D printing of geotechnical model materials cannot realize the controllability of macro and micro structures, and...

Claims

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Application Information

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IPC IPC(8): B28B1/00B28B13/02B28B17/00B29C64/106B29C64/393B29C64/307B33Y30/00B33Y40/00G06F17/50G09B23/40G09B25/02
CPCB28B1/001B28B13/021B28B17/0081B33Y30/00B33Y40/00G06F30/20G06F2111/10G09B23/40G09B25/02
Inventor 郝亮唐丹娜
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)
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