Physical phenomena in hard rock drilling and refinement of the sinking rate formula proposed by E.F. Epstein
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Abstract
The rate of penetration in hard rock drilling depends on the geometric shape of cutters. The penetration process when drilling hard rocks with a cylindrical crown with sharpened cutters of plate form was first considered by E. F. Epstein.
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References
- Shamshev F. A., Mlodik I. M. Materials to the Technology of Drilling with Hard Alloys. M., GONTI, 1936.
- Shreiner L. A. Physical Bases of Rock Mechanics. M., Gossltekhizdat, 1950.
- Epstein E. F. Theory of Drilling-Cutting of Rocks by Hard Alloys. M., GONTI, 1939.
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