JPS5680333A - Method of drawing pipe end - Google Patents
Method of drawing pipe endInfo
- Publication number
- JPS5680333A JPS5680333A JP15697279A JP15697279A JPS5680333A JP S5680333 A JPS5680333 A JP S5680333A JP 15697279 A JP15697279 A JP 15697279A JP 15697279 A JP15697279 A JP 15697279A JP S5680333 A JPS5680333 A JP S5680333A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- die
- driven
- cylinder
- end part
- 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.)
- Pending
Links
Landscapes
- Metal Extraction Processes (AREA)
Abstract
PURPOSE: To perform titled forming which does not require secondary working of inside surface by advancing a die having a lead-in part and a drawing part from the end part of a stationary pipe to be worked along its axial line and retreating the same while revolving the end-tapered arbor provided in the die.
CONSTITUTION: A cylinder 1a for clamping pipe is driven and the pipe 2 to be worked is fixed by means of a clamping device 1. While a die 3 is advanced in an arrow direction by being driven with a die moving cylinder 8, the pipe 2 is pressurewelded. On the other hand, a center 4 for assigning an inside diameter having an end taper which is rotatively driven by a motor via a speed changer 5 is retreated axially by a drawing cylinder 6, then the end part of the pipe 2 is drawn to a required shape. The thickness of the end part formed in this way is made to a desired size by the center 4, and there is no need for cumbersome inside surface working after drawing.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15697279A JPS5680333A (en) | 1979-12-04 | 1979-12-04 | Method of drawing pipe end |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15697279A JPS5680333A (en) | 1979-12-04 | 1979-12-04 | Method of drawing pipe end |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5680333A true JPS5680333A (en) | 1981-07-01 |
Family
ID=15639344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15697279A Pending JPS5680333A (en) | 1979-12-04 | 1979-12-04 | Method of drawing pipe end |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5680333A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62122768A (en) * | 1985-11-25 | 1987-06-04 | Nippon Light Metal Co Ltd | Manufacture of platen roller |
-
1979
- 1979-12-04 JP JP15697279A patent/JPS5680333A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62122768A (en) * | 1985-11-25 | 1987-06-04 | Nippon Light Metal Co Ltd | Manufacture of platen roller |
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