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Vol 65 Iss. 1
Pages:
90-92
Download volume:
RUS
Article

Drilling crown with kinematic self-sharpening of blades

Authors:
A. I. Talko
Date submitted:
1972-07-08
Date accepted:
1972-09-20
Date published:
1973-01-01

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

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