Feed Forces.

Abdelkawy, A., M. Hossam, and H. El-Hofy, "Modelling and Optimization for Cutting Forces in Ultrasonic-Assisted Drilling of Soda Glass", Key Engineering Materials, vol. 775, pp. 487-492, 2018.
Abdelkawy, A., M. Hossam, and H. El-Hofy, "Modelling and Optimization for Cutting Forces in Ultrasonic-Assisted Drilling of Soda Glass", Key Engineering Materials, vol. 775, pp. 487-492, 2018.