Novel drilling method for CFRP with dual-axes-driving grindstone

Abstract

Hole-making in CFRP is generally done using drills. However, exit burrs and delamination occur around the hole. Therefore, we propose a new processing method with a dual-axis-driven grindstone mechanism. This mechanism has not only grinding wheel rotation but also right-angled rotation. This processing method makes it possible to drill a hole in CFRP. We present the basic performance of the drilling process using the dual-axis-driven grindstone mechanism.