RU2012104172A - DRILLING CROWN - Google Patents
DRILLING CROWN Download PDFInfo
- Publication number
- RU2012104172A RU2012104172A RU2012104172/03A RU2012104172A RU2012104172A RU 2012104172 A RU2012104172 A RU 2012104172A RU 2012104172/03 A RU2012104172/03 A RU 2012104172/03A RU 2012104172 A RU2012104172 A RU 2012104172A RU 2012104172 A RU2012104172 A RU 2012104172A
- Authority
- RU
- Russia
- Prior art keywords
- inclination
- angle
- conical surface
- head
- working part
- Prior art date
Links
Abstract
Коронка для бурения, содержащая цилиндрический хвостовик, систему продувочных каналов, голову, армированную твердосплавными вставками и имеющую боковую коническую поверхность, отличающаяся тем, что голова со стороны рабочей части имеет периферийную цилиндрическую проточку, при этом угол наклона образующей конической поверхности к продольной оси коронки для бурения составляет 10-15°, а угол наклона периферийных армированных вставок составляет 30-40° к рабочей части коронки для бурения.A drilling bit comprising a cylindrical shank, a purge channel system, a head reinforced with carbide inserts and having a lateral conical surface, characterized in that the head from the working part has a peripheral cylindrical groove, while the angle of inclination of the forming conical surface to the longitudinal axis of the drilling crown is 10-15 °, and the angle of inclination of the peripheral reinforced inserts is 30-40 ° to the working part of the drill bit.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012104172/03A RU2012104172A (en) | 2012-02-06 | 2012-02-06 | DRILLING CROWN |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012104172/03A RU2012104172A (en) | 2012-02-06 | 2012-02-06 | DRILLING CROWN |
Publications (1)
Publication Number | Publication Date |
---|---|
RU2012104172A true RU2012104172A (en) | 2013-11-20 |
Family
ID=49554804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU2012104172/03A RU2012104172A (en) | 2012-02-06 | 2012-02-06 | DRILLING CROWN |
Country Status (1)
Country | Link |
---|---|
RU (1) | RU2012104172A (en) |
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2012
- 2012-02-06 RU RU2012104172/03A patent/RU2012104172A/en unknown
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