Carbon fiber reinforced plastics (CFRP) and titanium (Ti) stacks are used widely in aviation, aerospace, automobile and other fields owing to the excellent performance. Because of the difference of material processing characteristics, different parameters are applied in drilling process of CFRP and Ti for satisfactory processing quality. However, CFRP and Ti are usually drilled together for the coaxiality of holes and machining efficiency. There are a lot of problems when drilling CFRP/Ti stacks, such as interface burns of holes, scratch of CFRP and the worse aperture consistency. In order to solve the above problems, a low temperature drilling process was proposed, and the drilling thrust, aperture consistency and surface quality of CFRP/Ti stacks in low temperature were studied by drilling experiments. The results show that the thrust force of CFRP/Ti stacks increases while aperture consistency and surface quality are improved in low temperature, which prove the feasibility of drilling CFRP/Ti stacks in low temperature.
基金资助:国家自然科学基金(51475379);陕西省重点研发计划项目(2017GY-101)。
引用本文:
刘书暖,夏文强,王宁,刘永强,叶忠义. CFRP/ 钛合金叠层构件低温钻削的轴向力与成孔质量研究[J]. 航空制造技术, 2019, 62(13): 82-86.
LIU Shunuan, XIA Wenqiang, WANG Ning, LIU Yongqiang, YE Zhongyi. Research on Thrust Force and Hole Quality of Drilling CFRP/Ti Stacks in Low Temperature. Aeronautical Manufacturing Technology, 2019, 62(13): 82-86.