JPS55106637A - Pipe end drawing treatment device - Google Patents
Pipe end drawing treatment deviceInfo
- Publication number
- JPS55106637A JPS55106637A JP289879A JP289879A JPS55106637A JP S55106637 A JPS55106637 A JP S55106637A JP 289879 A JP289879 A JP 289879A JP 289879 A JP289879 A JP 289879A JP S55106637 A JPS55106637 A JP S55106637A
- Authority
- JP
- Japan
- Prior art keywords
- bead grinding
- work
- pipe
- grinding device
- punch
- 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 Extraction Processes (AREA)
- Punching Or Piercing (AREA)
Abstract
PURPOSE: To considerably improve efficiency by continuously performing drawing, piercing and bead grinding with one unit of device.
CONSTITUTION: The work pipe 9 is carried in by a carry-in device 8, after which it is fixed with a clamping device 4. A drawing and bead grinding device 10 is advanced by a main cylinder 14 and the work is drawn with a cylindrical die 11. After the drawing, the drawing and bead grinding device 10 automatically stops and a punch cylinder 23 is operated to push in a punch 15, by which the drawing in the cylindrical die 11 is accomplished. After this, a bolt hole 25 is opened to the end of the work pipe 9. Next, when the drawing and bead grinding device 10 is retreated by operating the main cylinder 14, the beads 24 in the groove 21 of the core metal 13 are ground by a tool 22. At the same instant of this, the pipe end portion is slightly expanded by the core metal 13 of the outside diameter slightly larger than the inside diameter of the work pipe 9 end after the drawing, whereby the dimesional accuracy thereof is enhanced.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP289879A JPS55106637A (en) | 1979-01-17 | 1979-01-17 | Pipe end drawing treatment device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP289879A JPS55106637A (en) | 1979-01-17 | 1979-01-17 | Pipe end drawing treatment device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55106637A true JPS55106637A (en) | 1980-08-15 |
JPS6239053B2 JPS6239053B2 (en) | 1987-08-20 |
Family
ID=11542164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP289879A Granted JPS55106637A (en) | 1979-01-17 | 1979-01-17 | Pipe end drawing treatment device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55106637A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6256235U (en) * | 1985-09-27 | 1987-04-07 |
-
1979
- 1979-01-17 JP JP289879A patent/JPS55106637A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6256235U (en) * | 1985-09-27 | 1987-04-07 |
Also Published As
Publication number | Publication date |
---|---|
JPS6239053B2 (en) | 1987-08-20 |
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