| 引用本文: | 李晋宇,张涛,袁林,郭斌,张鹏,徐杰.数字化多轴向三维编织原理样机及其工艺研究[J].材料科学与工艺,2021,29(6):1-9.DOI:10.11951/j.issn.1005-0299.20210067. |
| LI Jinyu,ZHANG Tao,YUAN Lin,GUO Bin,ZHANG Peng,XU Jie.Prototype development and process research on digital multiaxial 3D braiding machine[J].Materials Science and Technology,2021,29(6):1-9.DOI:10.11951/j.issn.1005-0299.20210067. |
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| 摘要: |
| 三维编织预制体是高性能复合材料增强相。三维编织装备的数字化程度决定了三维编织预制体的可设计性、成型精度和可追溯性。为解决传统编织机数字化程度低的瓶颈,本文研制了一种数字化多轴向水平放纱三维编织原理样机。根据步进驱动原理设计实现原理样机的六齿型空心轴拨盘,并通过建立纱线空间运动模型设计制备恒张力水平放置携纱器。采用Visual Studio设计开发基于Windows 7以上64位操作系统的CAE实时控制程序,以STM32微控制器为基础,设计原理样机的下位机硬件控制电路。根据空间运动学原理,在笛卡尔坐标系下建立纱线运动轨迹模型,模拟纱线的运动轨迹,并使用850D聚丙烯纤维进行验证实验。 运用本文设计的编织原理样机进行实验,获得的编织结构与仿真结果吻合的较好 ,证明了原理样机编织多层织物结构的可行性,同时验证了仿真结果的准确性。 |
| 关键词: 三维编织 原理样机 空间运动模型 多层编织结构 编织预制体 |
| DOI：10.11951/j.issn.1005-0299.20210067 |
| 分类号:TB383；TS103 |
| 文献标识码:A |
| 基金项目: |
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| Prototype development and process research on digital multiaxial 3D braiding machine |
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LI Jinyu1,2, ZHANG Tao1, YUAN Lin2, GUO Bin2, ZHANG Peng1, XU Jie2
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(1.School of Materials Science and Engineering, Harbin Institute of Technology(Weihai), Weihai 264209, China; 2.School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China)
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| Abstract: |
| Three-dimensional(3D)braided preforms are the reinforcements of high-performance composites.The level of digitalization of 3D braiding machines decides the forming precision,designability,and traceability of 3D braided preforms. To solve the low-level digitalization of traditional braiding machines, a digital multiaxial horizontal yarn delivery 3D braiding prototype machine was developed. According to the stepping drive method, the hollow shaft hexagonal horn-gears of the prototype machine were designed and implemented, and horizontal yarn carriers with constant tension were designed and manufactured by establishing the space motion model of the yarn.Visual Studio was adopted to design and develop CAE(Computer-Aided Engineering) real-time control program based on Windows 7 64-bit and higher version operating system,and the hardware of the lower computer control circuit of the prototype machine was designed based on the STM32 microcontroller. The trajectory model of the yarn motion was established in the Cartesian coordinate system, and the trajectory of the yarn motion was simulated by the principle of spatial kinematics. Braiding experiments were carried out by using 850D polypropylene fiber for verification. Simulation results were consistent with the braided structure after the experiment, which proves the feasibility of the multilayer fabric structure braided by the prototype machine and the accuracy of the simulation results. |
| Key words: three-dimensional braiding prototype machine space motion model multilayer fabric structure braided preforms |
