碳纤维层合板结构损伤区域机器人打磨去除工艺研究  

Study on robot grinding and removing process for damaged areas of carbon fiber laminates

作　　者：梁中福 靳凯 LIANG Zhongfu;JIN Kai(CRRC Qingdao SIFANG Co.,Ltd.,Qingdao 266000;Ocean University of China,Qingdao 266000)

机构地区：[1]中车青岛四方机车车辆股份有限公司,山东青岛266000 [2]中国海洋大学,山东青岛266000

出　　处：《合成纤维工业》2022年第5期37-41,共5页China Synthetic Fiber Industry

摘　　要：采用工业机器人与金刚砂打磨头对碳纤维层合板表面进行打磨,研究了磨头转速、打磨头金刚砂目数、打磨方向对层合板表面粗糙度的影响,以及打磨轨迹对碳纤维层合板修补件力学性能的影响。结果表明:对于0°铺层碳纤维层合板,垂直纤维方向打磨的质量要优于平行纤维方向打磨的质量,适宜的磨头转速为2250~3000 r/min,此时表面粗糙度可控制在1.5~2.3μm,修复胶接强度更好;对于[0°/90°]_(16s)铺层碳纤维层合板,在了解铺层顺序及具体厚度的情况下,使用工业机器人可精准控制打磨到需要的铺层面;无论是0°铺层还是[0°/90°]_(16s)铺层,八阶梯打磨修补件的拉伸性能均比四阶梯打磨修补件更加优异,在阶梯状打磨时可通过适当增加阶梯数提高修补件的力学性能。Industrial robot and corundum grinding head were used to grind the surface of carbon fiber laminates.The effects of grinding head speed and corundum mesh number and grinding direction on the surface roughness of laminates were studied,as were the effects of grinding track on the mechanical properties of carbon fiber laminates.The results showed that for 0°carbon fiber laminate,the quality of grinding in a direction perpendicular to fiber was better than that in a direction parallel to fiber,and the surface roughness could be controlled at 1.5-2.3μm and the repair bonding strength was better when the appropriate grinding speed was 2250-3000 r/min;for[0°/90°]_(16s) carbon fiber laminates,the industrial robot can precisely control the grinding to the required layer under the understanding of the layer sequence and specific thickness;whether it was 0°or[0°/90°]_(16s) laminate,the tensile properties of the eight-step ground patch were better than those of the four-step ground patch;and the mechanical properties of the patch can be improved by appropriately increasing the number of steps during the step grinding.

关 键 词：碳纤维层合板 工业机器人 表面打磨 表面粗糙度 力学性能 

分 类 号：TQ342.74[化学工程—化纤工业]