In this study tool wear during CFRP milling is experimentally investigated to explore the optimization of various cutting condition. From the test machining, it was found that CFRP milling was conducted mostly through the brittle mode machining that creates chip with powder shape. Tool wear is originated from the flank wear generated by the friction force between flank face and machined surface as well as the cutting edge wear by an impact force of fiber cutting. The flank wear is focused on a fiber orientation as well as a friction distance of the flank face in this paper. Based on the results, the tool wear progression model is suggested considering the fiber orientation and the radial depth of cut. From the results, it was found that the fiber orientation greatly affects the flank wear which arises most severely at the parallel to the tool feed direction that induces larger friction force. Also, the radial depth of cut smaller than 10% of diametric engagement accelerates the flank wear due to the increase of friction distance. Using this correlation among parameters, wear prediction model with force equations was derived and estimation results sufficiently match with the wear measurement values.

在本研究中，通过实验研究了CFRP铣削过程中的刀具磨损，以探索各种切削条件的优化。从测试加工中发现，CFRP铣削主要是通过脆性加工进行的，该加工产生具有粉末形状的切屑。刀具磨损源于侧面磨损，该磨损是由侧面与加工表面之间的摩擦力产生的，以及由于纤维切割的冲击力造成的切削刃磨损。在本文中，侧面磨损集中在纤维取向以及侧面的摩擦距离上。根据结果​​，建议考虑刀具的纤维取向和径向切割深度的刀具磨损进程模型。从结果来看 已经发现，纤维取向极大地影响了侧面磨损，该侧面磨损在平行于刀具进给方向的方向上最严重地出现，从而引起更大的摩擦力。此外，由于摩擦距离的增加，径向切入深度小于直径啮合的10％会加速齿面磨损。利用参数之间的这种相关性，可以得出带有力方程的磨损预测模型，并且估计结果与磨损测量值充分匹配。