复合材料预制件单面双针缝合装备技术研究

玻璃钢/复合材料 ›› 2017, Vol. 0 ›› Issue (2): 76-81.

复合材料预制件单面双针缝合装备技术研究

潘杰, 文立伟^*, 肖军, 黄晓川

南京航空航天大学,210016南京

收稿日期:2016-09-28 出版日期:2017-02-28 发布日期:2017-02-28
通讯作者: 文立伟(1970-),男,副教授,博士,主要从事复合材料自动化成型技术方面的研究,wenliwei@nuaa.edu.cn。
作者简介:潘杰(1990-),男,硕士研究生,主要从事复合材料自动化成型技术研究。
基金资助:
江苏高校优势学科建设工程资助项目(PAPD)

RESEARCH ON THE TECHNOLOGY OF SINGLE-SIDED TWO NEEDLES STITCHING EQUIPMENT FOR COMPOSITES PREFORM

PAN Jie, WEN Li-wei^*, XIAO Jun, HUANG Xiao-chuan

College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China

Received:2016-09-28 Online:2017-02-28 Published:2017-02-28

摘要/Abstract

摘要： 缝合技术能有效改善复合材料层间强度、提高损伤容限,通过缝合连接可以制备整体成型结构件。基于工业缝纫机工作原理,通过研究引线针、钩线针在形成线圈过程中的配合,建立了双针运动行程关系,并设计了凸轮曲柄连杆机构实现双针协同运动,将单面双针缝合头与三轴联动平台结合缝合预制件。探索双针夹角对线圈成型的影响,实验结果显示双针夹角为45°~60°时稳定形成线圈概率最高,达到90%,夹角过大或过小都会使线圈形成概率降低,实验验证了单面双针缝合装备结构设计的合理性,为装备优化提供了理论依据。

关键词: 复合材料预制件, 单面双针缝合头, 机构设计, 双针夹角, 线圈

Abstract: Stitching technique can effectively improve inter-laminar strength of composite materials and their damage tolerance. The integral structure can be prepared by the stitching joint. Based on the working principle of industrial sewing machine. We established two needles stroke relationship through researching the cooperative relationship between a conventional needle and a catcher-needle in the process of forming coil. And we designed the cam-crank link mechanism to realize the two needles cooperation movement. The single-sided two needles stitching head and three axis linkage platform are combined to stitch preform. We explored the effect of the angle between the two needles on coil forming. The study shows that it can form the coil probability up to 90% when the angle between the two needles is 45° to 60°. It makes the probability of the formation of the coil reduced when the angle between the two needles is too large or small. The experiment verified the rationality of the structural design of the single-side two needles stitching equipment. This paper provides a theoretical basis for the optimization of the equipment.

Key words: composites preform, single-sided two needles stitching head, mechanism design, angle between the two needles, coil

中图分类号:

TB332

潘杰, 文立伟, 肖军, 黄晓川. 复合材料预制件单面双针缝合装备技术研究[J]. 玻璃钢/复合材料, 2017, 0(2): 76-81.

PAN Jie, WEN Li-wei, XIAO Jun, HUANG Xiao-chuan. RESEARCH ON THE TECHNOLOGY OF SINGLE-SIDED TWO NEEDLES STITCHING EQUIPMENT FOR COMPOSITES PREFORM[J]. Fiber Reinforced Plastics/Composites, 2017, 0(2): 76-81.

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