Drilling bit with kinematic self-sharpening of cutting edges.
Authors:
Abstract
In coal open pits, the most productive method of blast drilling, in which rocks are destroyed by the principle of cutting, is becoming more and more widespread. The main disadvantage of this principle is the rapid dulling of rock-destroying tools.
Область исследования:
(Archived) Without section
Funding:
None
Similar articles
Thermal calculation design and method ology of selecting on according to the temperature steam plate air heaters for mine ventilation air heating based on the temperature criterion of vapor plate calorifiers for heating of mine ventilation air
1973 K. A. Dolgov
Study of the operational qualities of heavy-duty dump trucks in at the conditions of mine “ Tsentralny mine of the Apatit Combine
1973 A. A. Kuleshov, O. D. Serebrennikov