%0 Journal Article %T 玻璃纤维增强聚丙烯复合材料制孔损伤<br>Drilling damage of glass fiber reinforced polypropylene composites %A 王福吉 %A 郭会彬 %A 贾振元 %A 马建伟 %A 成德 %A 胡海波 %J 复合材料学报 %D 2018 %R 10.13801/j.cnki.fhclxb.20171206.006 %X 为抑制玻璃纤维增强聚丙烯复合材料(GF/PP)制孔损伤并提高其制孔效率,本文通过钻削实验获得多种进给速度下的GF/PP复合材料钻削轴向力和出口温度,使用高速摄影设备对刀具钻出过程进行在线观测,研究出口材料去除过程及其损伤成因,分析进给速度对GF/PP复合材料制孔损伤的影响规律。结果表明:GF/PP复合材料的钻削出口温度在低速进给时显著升高,在高速进给时基本趋于稳定;出口撕裂是重要的出口损伤形式,成因是大片毛刺受副切削刃的撞击和撕挤,进给速度过高或过低均会加剧损伤; 0°毛刺在低速进给时较严重,入口撕裂在高速进给时较严重。 In order to diminish drilling damage of glass fiber reinforced polypropylene composite (GF/PP) and improve its drilling efficiency, thrust force and outlet temperature during drilling GF/PP composites for various feed rates were measured by drilling experiments, and outlet processes of drilling were instituted observed with high-speed photography equipment. Outlet material removal process and damage mechanisms were demonstrated. Effect of feed rates on GF/PP composites drilling damage was analyzed. The results show that the outlet drilling temperature is high with low feed rates and becomes relatively steady as feed rates increasing; Outlet tearing is mainly outlet damage and caused by the tearing of large burrs by the cutting edges; It becomes severe with a too high or low feed rate. 0° burr is serious with low feed rates; Inlet tearing is serious with high feed rates. NSCF-辽宁联合基金重点项目(U1508207);国家自然科学基金面上项目(51575082);国家973计划(2014CB046503);国家自然科学基金创新研究群体项目(51621064);中央高校基本科研业务费专项资金(DUT16TD01) %K 玻璃纤维增强聚丙烯复合材料(GF/PP) %K 热塑性 %K 钻削 %K 进给 %K 损伤< %K br> %K glass fiber reinforced polypropylene composites(GF/PP) %K thermoplastic %K drilling %K feed %K damage %U http://fhclxb.buaa.edu.cn/CN/abstract/abstract14138.shtml