JPS57127536A - Upset forging method for short material using porter bar - Google Patents
Upset forging method for short material using porter barInfo
- Publication number
- JPS57127536A JPS57127536A JP1349381A JP1349381A JPS57127536A JP S57127536 A JPS57127536 A JP S57127536A JP 1349381 A JP1349381 A JP 1349381A JP 1349381 A JP1349381 A JP 1349381A JP S57127536 A JPS57127536 A JP S57127536A
- Authority
- JP
- Japan
- Prior art keywords
- die
- forged product
- forging
- porter bar
- intermediate forged
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/08—Upsetting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1349381A JPS57127536A (en) | 1981-01-29 | 1981-01-29 | Upset forging method for short material using porter bar |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1349381A JPS57127536A (en) | 1981-01-29 | 1981-01-29 | Upset forging method for short material using porter bar |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57127536A true JPS57127536A (en) | 1982-08-07 |
Family
ID=11834634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1349381A Pending JPS57127536A (en) | 1981-01-29 | 1981-01-29 | Upset forging method for short material using porter bar |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57127536A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4882924A (en) * | 1987-09-15 | 1989-11-28 | Sanshin Industry Co., Ltd. | Method and apparatus for manufacturing hollow cylindrical guide roller for magnetic recording tape |
-
1981
- 1981-01-29 JP JP1349381A patent/JPS57127536A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4882924A (en) * | 1987-09-15 | 1989-11-28 | Sanshin Industry Co., Ltd. | Method and apparatus for manufacturing hollow cylindrical guide roller for magnetic recording tape |
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