Fundamental study of electro-discharge assisted hybrid cutting for UD CFRP

Abstract

T Carbon Fiber Reinforced Plastics (CFRP), which are classified as functional resin, has risen and is replacing conventional materials because of their excellent properties. They have been mainly used for producing the body part of airplanes or cars, as well as the demand for micro machined products manufactured with a lathe used in the medical field are also rising. However, the problems of machining CFRP are, occurrence of burrs and deterioration of finished dimensions due to the significant tool wear caused by the carbon fiber. In order to turn CFRP and maintain a high dimensional accuracy, tool wear caused by the carbon fiber must be reduced. In the study, possibility of combining conventional turning and electric current or electrical discharge machining is demonstrated.