JPS6325844B2 - - Google Patents
Info
- Publication number
- JPS6325844B2 JPS6325844B2 JP113982A JP113982A JPS6325844B2 JP S6325844 B2 JPS6325844 B2 JP S6325844B2 JP 113982 A JP113982 A JP 113982A JP 113982 A JP113982 A JP 113982A JP S6325844 B2 JPS6325844 B2 JP S6325844B2
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- pipe
- mandrel
- mandrel bar
- rolls
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005096 rolling process Methods 0.000 claims description 46
- 239000000463 material Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 17
- 238000000926 separation method Methods 0.000 claims description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010494 dissociation reaction Methods 0.000 description 4
- 230000005593 dissociations Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 229910000601 superalloy Inorganic materials 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
- B21B17/02—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length
- B21B17/04—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling with mandrel, i.e. the mandrel rod contacts the rolled tube over the rod length in a continuous process
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP113982A JPS58119409A (ja) | 1982-01-07 | 1982-01-07 | 管の連続延伸圧延方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP113982A JPS58119409A (ja) | 1982-01-07 | 1982-01-07 | 管の連続延伸圧延方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58119409A JPS58119409A (ja) | 1983-07-15 |
| JPS6325844B2 true JPS6325844B2 (ref) | 1988-05-27 |
Family
ID=11493113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP113982A Granted JPS58119409A (ja) | 1982-01-07 | 1982-01-07 | 管の連続延伸圧延方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58119409A (ref) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2564826B2 (ja) * | 1987-05-29 | 1996-12-18 | 大同特殊鋼株式会社 | 分散強化型合金薄肉パイプの製造方法 |
-
1982
- 1982-01-07 JP JP113982A patent/JPS58119409A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58119409A (ja) | 1983-07-15 |
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