新型刀具钻削碳纤维复合材料的可行性研究

Research on drilling feasibility of new- type cutting tool for carbon fiber-reinforced plastics

针对碳纤维复合材料的特点,分析了钻削缺陷产生的机理并提出新型钻削模式。选择均为Ti Al Cr N/Ti Si N涂层的硬质合金麻花钻与改进的新型钻头进行碳纤维复合材料的孔加工对比试验,通过对钻孔出口质量的分析,研究了新型刀具钻削碳纤维复合材料的可行性,以解决碳纤维复合材料钻削加工的技术难题。

According to the characteristics of CFRP,the mechanism of defects producing is analyzed and a new drilling mode is put forward in this paper. The cemented carbide twist drill and a new type drill both coated with Ti Al Cr N / Ti Si N are selected to drill on CFRP for a contrast test. The drilling exit quality is analyzed and the drilling feasibility of the new type drill for CFRP is researched,which will solve the technical problem while drilling CFRP.