Drilling crown with kinematic self-sharpening of blades
Authors:
Abstract
In coal 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 blunting of rock-destroying tools.
Область исследования:
(Archived) Without section
Funding:
None
Similar articles
Increase of traction ability of the single-drum drive of the belt conveyor by means of atmospheric pressure utilization
1973 K. A. Vasiliev, G. N. Leontiev
Study of operational qualities of heavy-duty dump trucks in the conditions of mine “Tsentralny” of “Apatit” Combine
1973 A. A. Kuleshov, O. D. Serebrennikov