FIELD: mining.
SUBSTANCE: invention relates to a rock-breaking tool, in particular to cutters for rotary drilling. Cutter for rotary drilling comprises a body with a working head, the front and rear faces of which are reinforced with carbide blades in the shape of a triangle with shelves. Working head and carbide plate pivotally interconnected for limited rotation in a vertical plane, wherein between facing one another and the edges of the working head shelves carbide plates arranged resilient elements.
EFFECT: technical result is to increase the efficiency of the tool.
3 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| BIT FOR ROTARY DRILLING | 2015 |
|
RU2573878C1 |
| BORE BIT | 2008 |
|
RU2359101C1 |
| CROWN FOR IMPACT-ROTARY DRILLING | 2011 |
|
RU2473772C1 |
| ROTARY DRILLING CUTTER | 1992 |
|
RU2047724C1 |
| CROWN BIT | 2012 |
|
RU2489563C1 |
| BORING BIT FOR ROTARY DRILLING | 1993 |
|
RU2078192C1 |
| DRILLING BIT | 2010 |
|
RU2443847C1 |
| BIT FOR REACTIVE TURBODRILLING | 2016 |
|
RU2620108C1 |
| DRILLING BIT | 2004 |
|
RU2272119C1 |
| DRILLING BIT | 2015 |
|
RU2579821C1 |
