Design and experimental evaluation of an ultrasonic impact-assisted drilling mechanism for hard rocks

Deen Bai, Hailong Li, Wendong Wang, Yuntao Li, Qinglin Liu, School of Mechanical and Electrical Engineering, China University of Mining and Technology, Shanghai Aerospace Control Technology Institute

Journal of Vibration and Control

Published online on October 16, 2025

Abstract

Journal of Vibration and Control, Ahead of Print.
Current research on ultrasonic impact breaking of rocks primarily focuses on the rock breaking mechanism, ultrasonic vibration parameters, and engineering parameters, with less emphasis on ultrasonic drilling devices. A novel, compact, and efficient ...