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Manufacturing method of complex-structured intelligent material device based on rapid forming technique

A technology of complex structure and intelligent materials, applied in the direction of improving energy efficiency and process efficiency, can solve the problems of long forming time, simple structure, single shape of forming materials, etc., and achieve the effect of high forming precision and simple manufacturing process

Inactive Publication Date: 2014-10-22
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing smart material preparation process has a single shape, a simple structure, and a long forming time, which generally takes 1 to 3 days, which cannot meet the needs of today's high-efficiency market for structurally functional and functionally diverse materials, making smart The scope of application of materials is limited, which restricts the development of smart materials to a certain extent

Method used

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  • Manufacturing method of complex-structured intelligent material device based on rapid forming technique
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0063] 1) The power source of the helical thin-walled spring is a kilovolt DC voltage. It works in an anhydrous and room temperature environment. When the output is required to provide deformation and be used as a driver, polyacrylate dielectric elastic material is selected as the forming raw material. ; The polyacrylate dielectric elastic material consists of 87 parts by mass of liquid epoxy acrylate, 10 parts of liquid trimethylolpropane triacrylate and 3 parts of isopropyl thioxanthone; liquid epoxy acrylate and liquid trimethylolpropane triacrylate can be cured by isopropyl thioxanthone as a photoinitiator under light conditions; figure 1 The curve of curing speed of photosensitive material with the content of photoisopropyl thioxanthone is shown, determine the content of photoisopropyl thioxanthone, and select the appropriate ratio of liquid epoxy acrylate and liquid trimethylolpropane triacrylate , and finally determine the formulation of the light polyacrylate dielectri...

Embodiment 2

[0071] 1) When the working environment of the minimally invasive surgery manipulator model of the smart material device is water and room temperature, the forming raw material used is a sheet-like ionic polymer-metal composite material;

[0072] 2) Since the forming raw material used is a sheet-like ionomer-metal composite material, and the single-layer thickness of the material is 0.1mm, when the rapid prototyping process is selected as the laminated entity manufacturing process, its process parameters: cutting speed is 400 ~650mm / s, the lifting speed of the platform is 20~60mm / s, and the temperature of the heating roller is 180~220℃; the process parameters of the preferred laminated entity manufacturing process: the cutting speed is 550mm / s, and the lifting speed of the platform is 45mm / s , the temperature of the heating roller is 200°C;

[0073]3) Convert the two-dimensional pattern of the minimally invasive surgery arm to form a three-dimensional model of the minimally inv...

Embodiment 3

[0076] 1) The power source of the sphere with holes is thermal energy, the working environment is 10-70°C, and the molding raw material used is powdered shape-memory vinyl-vinyl chloride copolymer resin material;

[0077] 2) Since the forming raw material used is a powdered shape memory vinyl chloride copolymer resin material, when the selected rapid prototyping process is a selective laser sintering process, the process parameters are: the thickness of a single layer of powder is 0.1-0.3mm, using Progressive scanning mode, scanning speed is 400 ~ 6000mm / s. The optimized process parameters of the laser sintering process are: the thickness of single-layer powder coating is 0.2mm, the progressive scanning method is adopted, and the scanning speed is 2800mm / s;

[0078] 3) Carry out laser scanning and CT tomographic scanning on the sphere entity with holes to obtain point cloud data, and then use reverse engineering to construct a 3D model of the sphere with holes; after the 3D mo...

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Abstract

The invention relates to a manufacturing method of a complex-structured intelligent material device based on a rapid forming technique. The manufacturing method comprises the following steps: determining the utilized rapid forming technique according to one or multiple requirements including the physicochemical properties and states of a forming raw material and the precision of the complex-structured intelligent material device; establishing a three-dimensional model of the complex-structured intelligent material device, carrying out discretization on the surface of the three-dimensional model of the complex-structured intelligent material device to generate a three-dimensional digital model file of the three-dimensional model of the complex-structured intelligent material device, carrying out support adding, layered model discretization and processing route generation on the three-dimensional digital model file to guide out a processing file capable of being identified by rapid forming equipment, and downloading the processing file to the rapid forming equipment; manufacturing the complex-structured intelligent material device by virtue of the rapid forming equipment according to the processing file. According to the manufacturing method, the problem that different types of the complex-structured intelligent material devices are difficult to manufacture is solved; a forming device has the advantages of high precision, adjustable performance, easiness in manufacturing and the like.

Description

technical field [0001] The invention belongs to the field of intelligent materials, and in particular relates to a method for manufacturing intelligent material devices with complex structures based on rapid prototyping technology. Background technique [0002] Intelligent materials (Intelligent materials or Smart materials) imitate living systems, can sense environmental changes and can change one or more performance parameters of themselves in real time, and make expected composite materials or materials that can adapt to the changed environment According to the source of the material, it can be divided into metal-based smart materials (including shape memory alloys, shape-memory composite materials, etc.), non-metallic smart materials (including electrorheological fluids, piezoelectric ceramics, Light or electrochromic materials, etc.) and polymer smart materials (including stimuli-responsive polymer gels, smart polymer adhesives, etc.). Smart materials are the fourth ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C67/00B22F3/105B22F3/115
CPCY02P10/25
Inventor 李涤尘赵东旭刘佳煜王永泉
Owner XI AN JIAOTONG UNIV
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