JPS55103206A - Manufacture of seamless metallic pipe - Google Patents
Manufacture of seamless metallic pipeInfo
- Publication number
- JPS55103206A JPS55103206A JP908179A JP908179A JPS55103206A JP S55103206 A JPS55103206 A JP S55103206A JP 908179 A JP908179 A JP 908179A JP 908179 A JP908179 A JP 908179A JP S55103206 A JPS55103206 A JP S55103206A
- Authority
- JP
- Japan
- Prior art keywords
- mandrel
- mill
- blank
- pipe
- rolling
- 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.)
- Granted
Links
Landscapes
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
PURPOSE: To make few the variety of mandrel, and to manufacture the product of good quality at high rolling efficiency, by rolling the cylindrical blank, being inserted with the mandrel to the bottom, placing the bottom is front, with the continuous rolling mill and next the cross herical roll mill, and after that, by recycling the mandrel being pulled away, for reuse.
CONSTITUTION: The mandrel M2 is inserted into the bottomed cylindrical blank P to the bottom, and the mandrel M2 is forced into the continuous rolling mill 4 placing the bottom of the blank in front; hereupon, the mill 4 possesses plural units of coupled plural rolls 15 forming the caliber arranged in the direction of the pass line. The rolling work is given to the blank at least until the end of the mandrel M2 passes the final caliber; hereby, the transverse section of the pipe P is reduced over the entire length. Next, as the mandrel M2 is being inserted, the blank P is pushed into the cross helical roll 17 mill 15, placing the pipe bottom in front. After the rolling work, the mandrel M2 is pulled away, and is recycled for reuse to the continuous rolling mill 4 through the support bed 8c. After reheating the pipe P to a suitable temperature, the pipe P is finish rolled by the sizer, etc. Meantime, the bottomed cylindrical blank formed from the polygonally sectioned bloom is used in this method.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP908179A JPS5937685B2 (en) | 1979-01-31 | 1979-01-31 | Manufacturing method of seamless metal pipe |
US06/105,746 US4318294A (en) | 1978-12-29 | 1979-12-19 | Method of manufacturing seamless metal pipes and tubes |
FR7931939A FR2445187A1 (en) | 1978-12-29 | 1979-12-28 | PROCESS FOR THE MANUFACTURE OF SOLDER-FREE METAL PIPES AND TUBES |
DE19792952647 DE2952647A1 (en) | 1978-12-29 | 1979-12-28 | METHOD FOR PRODUCING SEAMLESS METAL TUBES |
IT28473/79A IT1127783B (en) | 1978-12-29 | 1979-12-31 | METHOD FOR THE MANUFACTURE OF SEAMLESS METAL PIPES |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP908179A JPS5937685B2 (en) | 1979-01-31 | 1979-01-31 | Manufacturing method of seamless metal pipe |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55103206A true JPS55103206A (en) | 1980-08-07 |
JPS5937685B2 JPS5937685B2 (en) | 1984-09-11 |
Family
ID=11710659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP908179A Expired JPS5937685B2 (en) | 1978-12-29 | 1979-01-31 | Manufacturing method of seamless metal pipe |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5937685B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57130707A (en) * | 1981-02-03 | 1982-08-13 | Sumitomo Metal Ind Ltd | Method and device for producing seamless pipe |
JPS58119408A (en) * | 1982-01-05 | 1983-07-15 | Kawasaki Steel Corp | Elongating method of seamless pipe |
JPS6092007A (en) * | 1983-10-24 | 1985-05-23 | Nippon Steel Corp | Rolling method for seamless pipe |
-
1979
- 1979-01-31 JP JP908179A patent/JPS5937685B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57130707A (en) * | 1981-02-03 | 1982-08-13 | Sumitomo Metal Ind Ltd | Method and device for producing seamless pipe |
JPS58119408A (en) * | 1982-01-05 | 1983-07-15 | Kawasaki Steel Corp | Elongating method of seamless pipe |
JPS6353883B2 (en) * | 1982-01-05 | 1988-10-26 | Kawasaki Steel Co | |
JPS6092007A (en) * | 1983-10-24 | 1985-05-23 | Nippon Steel Corp | Rolling method for seamless pipe |
Also Published As
Publication number | Publication date |
---|---|
JPS5937685B2 (en) | 1984-09-11 |
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