JPS6342528B2 - - Google Patents
Info
- Publication number
- JPS6342528B2 JPS6342528B2 JP12094280A JP12094280A JPS6342528B2 JP S6342528 B2 JPS6342528 B2 JP S6342528B2 JP 12094280 A JP12094280 A JP 12094280A JP 12094280 A JP12094280 A JP 12094280A JP S6342528 B2 JPS6342528 B2 JP S6342528B2
- Authority
- JP
- Japan
- Prior art keywords
- punch
- dowel
- large diameter
- die
- diameter portion
- 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
- 239000000463 material Substances 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000010273 cold forging Methods 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 2
- 238000005242 forging Methods 0.000 description 12
- 239000000047 product Substances 0.000 description 8
- 239000011265 semifinished product Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Forging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12094280A JPS5744439A (en) | 1980-09-01 | 1980-09-01 | Dowel positioning method for cold forging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12094280A JPS5744439A (en) | 1980-09-01 | 1980-09-01 | Dowel positioning method for cold forging |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5306083A Division JPS591042A (ja) | 1983-03-29 | 1983-03-29 | ダボ出し鍛造金型 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5744439A JPS5744439A (en) | 1982-03-12 |
| JPS6342528B2 true JPS6342528B2 (enExample) | 1988-08-24 |
Family
ID=14798776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12094280A Granted JPS5744439A (en) | 1980-09-01 | 1980-09-01 | Dowel positioning method for cold forging |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5744439A (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5982135A (ja) * | 1982-11-02 | 1984-05-12 | Musashi Seimitsu Kogyo Kk | 密閉冷間鍛造によるダボ出し方法 |
| JP2778171B2 (ja) * | 1990-01-10 | 1998-07-23 | 三菱マテリアル株式会社 | 半導体装置組み立て用Pb合金はんだ材 |
| JP7356027B2 (ja) * | 2020-01-24 | 2023-10-04 | 愛知製鋼株式会社 | 鍛造装置 |
-
1980
- 1980-09-01 JP JP12094280A patent/JPS5744439A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5744439A (en) | 1982-03-12 |
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