The paper issues from a laboratory research of small-diameter rotary drilling of rocks, which belongs to fundamental means of mechanical rock breaking. Presented results were acquired during extensive ...

This paper analyzes the influence of edge preparation by two different methods, honing and chamfering on a solid cemented carbide twist drill Ø11 mm, used in the machining and processing of SAE 4144M ...

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Q-Gold Resources Ltd. (TSXV: QGR) Commences Phase 3 Diamond Drilling Program at Foley Shaft, Mine Centre Project, Northwestern Ontario ...