NIOSHTIC-2 Publications Search
How to predict the penetration rate of percussive drills.
Min Eng 1970 Nov; 22(11):62-64
Penetration rates for the two drills were determined in nine rock types, and the physical properties of the same nine rocks were measured and tabulated. Then the penetration rates were plotted against the individual properties to determine the general relationships on which methods for predicting drilling rates could be based.
OP; Journal Article
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Page last reviewed: March 11, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division