JPS6157096B2 - - Google Patents
Info
- Publication number
- JPS6157096B2 JPS6157096B2 JP57006068A JP606882A JPS6157096B2 JP S6157096 B2 JPS6157096 B2 JP S6157096B2 JP 57006068 A JP57006068 A JP 57006068A JP 606882 A JP606882 A JP 606882A JP S6157096 B2 JPS6157096 B2 JP S6157096B2
- Authority
- JP
- Japan
- Prior art keywords
- bar
- billet
- perforated
- bending
- strain
- 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
- 238000000034 method Methods 0.000 claims description 33
- 238000005553 drilling Methods 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 238000001192 hot extrusion Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- B21J5/10—Piercing billets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Extrusion Of Metal (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP606882A JPS58125313A (ja) | 1982-01-20 | 1982-01-20 | 熱間押出し用穿孔ビレツトの偏肉発生防止方法およびその装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP606882A JPS58125313A (ja) | 1982-01-20 | 1982-01-20 | 熱間押出し用穿孔ビレツトの偏肉発生防止方法およびその装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58125313A JPS58125313A (ja) | 1983-07-26 |
| JPS6157096B2 true JPS6157096B2 (un) | 1986-12-05 |
Family
ID=11628258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP606882A Granted JPS58125313A (ja) | 1982-01-20 | 1982-01-20 | 熱間押出し用穿孔ビレツトの偏肉発生防止方法およびその装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58125313A (un) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7364875B2 (ja) * | 2019-09-25 | 2023-10-19 | 日本製鉄株式会社 | プレス穿孔機、および、継目無管の製造方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS495827A (un) * | 1972-05-11 | 1974-01-19 | ||
| JPS5117166A (ja) * | 1974-08-01 | 1976-02-10 | Nippon Steel Corp | Puresuroorusenkohoniokeru hennikukenchihoho |
-
1982
- 1982-01-20 JP JP606882A patent/JPS58125313A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS495827A (un) * | 1972-05-11 | 1974-01-19 | ||
| JPS5117166A (ja) * | 1974-08-01 | 1976-02-10 | Nippon Steel Corp | Puresuroorusenkohoniokeru hennikukenchihoho |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58125313A (ja) | 1983-07-26 |
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