Ultrasonic/Sonic Rotary-Hammer Drills
TBMG-8163
7/1/2010
- Content
Ultrasonic/sonic rotary-hammer drill (USRoHD) is a recent addition to the collection of apparatuses based on ultrasonic/sonic drill corer (USDC). As described below, the USRoHD has several features, not present in a basic USDC, that increase efficiency and provide some redundancy against partial failure.
- Citation
- "Ultrasonic/Sonic Rotary-Hammer Drills," Mobility Engineering, July 1, 2010.