湿法缠绕在线自动配胶系统研究
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摘要
针对现有湿法缠绕中间歇配胶-浸渍的适用期限制、固化剂含量与含胶量波动等问题,提出了缠绕自动化配胶的一种解决方案:以PLC控制两台蠕动泵输送树脂和固化剂至动态混合器的流速的方式来实现精确配比,以编码器采集的纤维出纱速度输入PLC控制总出胶量的方式来保证缠绕件含胶量;搭建在线自动化配胶试验系统。初步验证结果显示:系统可以实现在线自动连续配胶且没有适用期限制,不同缠绕速度下树脂与固化剂的理论值与实验值误差在±2%以内。
Due to the limitation of the shelf-life, the curing agent content and the fluctuation of the resin content in the present wet-wound winding, we propose a winding resin automatic mixing and impregnating solution. The PLC controls the flow speed of the two peristaltic pumps to transport the resin and curing agent to the dynamic mixer to achieve an accurate ratio, the fiber output speed sampled by the encoder is input to the PLC to control the total amount of resin to ensure the resin content in tows, and a resin automatic mixing and impregnating system on line is built. The preliminary testing results demonstrate that the system can achieve online continuous automatic impregnation of resin with no applicable period limitation. The error between theoretical and experimental values of resin and curing agent at different winding speeds is within ±2%.
Due to the limitation of the shelf-life, the curing agent content and the fluctuation of the resin content in the present wet-wound winding, we propose a winding resin automatic mixing and impregnating solution. The PLC controls the flow speed of the two peristaltic pumps to transport the resin and curing agent to the dynamic mixer to achieve an accurate ratio, the fiber output speed sampled by the encoder is input to the PLC to control the total amount of resin to ensure the resin content in tows, and a resin automatic mixing and impregnating system on line is built. The preliminary testing results demonstrate that the system can achieve online continuous automatic impregnation of resin with no applicable period limitation. The error between theoretical and experimental values of resin and curing agent at different winding speeds is within ±2%.
引文
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[17] 王道臣,陈志军,韩玉明,等.蠕动泵流量的理论计算与试验验证[J].化工自动化及仪表,2015,42(2):186 -187.
[2] 谢霞,邱冠雄,姜亚明.纤维缠绕技术的发展及研究现状[J].天津工业大学学报,2004(6):19-22.
[3] 王汝敏,郑水蓉,郑亚萍.聚合物基复合材料及工艺[M].北京:科学教育出版社,2004:193-196.
[4] 杜善义.先进复合材料与航空航天[J].复合材料学报,2007,24(1):1-12.
[5] 蔡金刚,于柏峰,杨志忠,等.我国纤维缠绕技术及产业发展历程与现状[J].玻璃钢/复合材料,2014(9):42-51.
[6] 常延辛.热熔法预浸料制备设备及其关键技术的研究[D].武汉:武汉理工大学,2012.
[7] 郁成岩,李辅安,王晓洁,等.纤维缠绕工艺浸胶技术研究进展[J].玻璃钢/复合材料,2009(5):84-88.
[8] 恽玮,李昕,吴耀楚.纤维缠绕(FW)含胶量模糊控制系统的研制[J].中国建材装备,2001(4):25-27.
[9] Miaris A,Paessler M,Schledjewski R,et al.Modeling the impregnation progress of a siphon impregnation system during filament winding[R].Maryland,USA:In proceedings ASME 2011.
[10] Miaris A,Paessle M,Lichtner J,et al.Siphon impregnation:The development of a new method for impregnation during filament winding[R].Edinburg,UK:In Proceedings ICCM 17.
[11] Richard A J,Michael M J,John K,et al.Hot-melt prepreg tow process:US4804509[P].1989-02-14.
[12] Murty V,Lawrence D.Apparatus and high speed method for coating elongated fibers:US5310582[P].1994-05-10.
[13] Chandler H W,Devlin B J,Gibson A G.A model for the continuous impregnation of fiber tows in resin baths with pins[J].Plastics Rubber Composite Processing and Applications,1992(18):215-220.
[14] Marsh G.Automating aerospace composites production with fiber placement[J].Reinforced Plastics,2011(3):32-37.
[15] Paessler M,Schledjewski R.Thermoset filament winding with high efficiency[R].Essen,Germany:2006.
[16] Marsh G.Prepregs-raw material for high-performance composites[J].Reinforced Plastics,2002(10):24-28.
[17] 王道臣,陈志军,韩玉明,等.蠕动泵流量的理论计算与试验验证[J].化工自动化及仪表,2015,42(2):186 -187.