RU2015117231A - A method of manufacturing a forged billet drill pipe - Google Patents
A method of manufacturing a forged billet drill pipe Download PDFInfo
- Publication number
- RU2015117231A RU2015117231A RU2015117231A RU2015117231A RU2015117231A RU 2015117231 A RU2015117231 A RU 2015117231A RU 2015117231 A RU2015117231 A RU 2015117231A RU 2015117231 A RU2015117231 A RU 2015117231A RU 2015117231 A RU2015117231 A RU 2015117231A
- Authority
- RU
- Russia
- Prior art keywords
- pipe billet
- mandrel
- manufacturing
- support washer
- transition
- Prior art date
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- Extrusion Of Metal (AREA)
- Forging (AREA)
Abstract
1. Способ изготовления цельнокованой заготовки бурильной трубы, включающий нагрев концевого участка трубной заготовки, вращение трубной заготовки с подачей на оправку, имеющую коническую поверхность, с упором в опорную шайбу, с набором металла и последующей деформацией трубной заготовки профилированными бойками, имеющими возможность отвода в положение, обеспечивающее беспрепятственный вывод заготовки.2. Способ по п.1, отличающийся тем, что опорная шайба имеет коническую полость для формирования конусной части ниппеля, а длина каждого бойка ограничена его цилиндрической и тыльной частью.3. Способ по п.1, отличающийся тем, что на первом переходе производят высадку трубной заготовки на оправке с набором металла, а вторым переходом деформируют концевую часть трубной заготовки.4. Способ по п.1, отличающийся тем, что опорная шайба и оправка представляют собой единую деталь.1. A method of manufacturing a one-piece forged drill pipe billet, comprising heating the end portion of the pipe billet, rotating the pipe billet with a feed to a mandrel having a conical surface, with emphasis in the support washer, with a set of metal and subsequent deformation of the pipe billet with profiled bumps that can be retracted into position providing unobstructed withdrawal of the workpiece. 2. The method according to claim 1, characterized in that the support washer has a conical cavity for forming the conical part of the nipple, and the length of each striker is limited by its cylindrical and back part. The method according to claim 1, characterized in that at the first transition, the pipe billet is planted on a mandrel with a set of metal, and the end part of the pipe billet is deformed by the second transition. The method according to claim 1, characterized in that the support washer and the mandrel are a single part.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2015117231A RU2015117231A (en) | 2015-05-06 | 2015-05-06 | A method of manufacturing a forged billet drill pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2015117231A RU2015117231A (en) | 2015-05-06 | 2015-05-06 | A method of manufacturing a forged billet drill pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RU2015117231A true RU2015117231A (en) | 2016-11-27 |
Family
ID=57758913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2015117231A RU2015117231A (en) | 2015-05-06 | 2015-05-06 | A method of manufacturing a forged billet drill pipe |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2015117231A (en) |
-
2015
- 2015-05-06 RU RU2015117231A patent/RU2015117231A/en not_active Application Discontinuation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FA92 | Acknowledgement of application withdrawn (lack of supplementary materials submitted) |
Effective date: 20171017 |