JPH0220332B2 - - Google Patents
Info
- Publication number
- JPH0220332B2 JPH0220332B2 JP18423881A JP18423881A JPH0220332B2 JP H0220332 B2 JPH0220332 B2 JP H0220332B2 JP 18423881 A JP18423881 A JP 18423881A JP 18423881 A JP18423881 A JP 18423881A JP H0220332 B2 JPH0220332 B2 JP H0220332B2
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical protrusion
- cylindrical
- length
- fold
- sheet metal
- 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 27
- 239000002184 metal Substances 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000004080 punching Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18423881A JPS5884618A (ja) | 1981-11-16 | 1981-11-16 | ４重折ボス部付環状フランジ板の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18423881A JPS5884618A (ja) | 1981-11-16 | 1981-11-16 | ４重折ボス部付環状フランジ板の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5884618A JPS5884618A (ja) | 1983-05-20 |
| JPH0220332B2 true JPH0220332B2 (en]) | 1990-05-09 |
Family
ID=16149792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18423881A Granted JPS5884618A (ja) | 1981-11-16 | 1981-11-16 | ４重折ボス部付環状フランジ板の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5884618A (en]) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1034399C1 (nl) * | 2007-09-18 | 2009-03-19 | Keytec Internat Dev Ct B V | Werkwijze voor het vervaardigen van een achterplaat voor een weergave-beeldscherm voor bijvoorbeeld in een draagbaar apparaat alsmede een dergelijke achterplaat. |
| DE102017102356B3 (de) * | 2017-02-07 | 2018-04-12 | Thyssenkrupp Ag | Verfahren und Vorrichtung zum Herstellen eines Kragens an einem Werkstück |
| CN111151649B (zh) * | 2020-01-16 | 2021-12-28 | 天津津荣天宇精密机械股份有限公司 | 一种卡扣向上成型的方法 |
| CN111687593B (zh) * | 2020-05-25 | 2022-07-22 | 航天海鹰(哈尔滨)钛业有限公司 | 一种钛合金变曲率回转体结构钣金件成型工艺 |
| IT202100015179A1 (it) * | 2021-06-10 | 2022-12-10 | Ebara Pumps Europe S P A | Girante, in particolare per pompe centrifughe, e procedimento per la sua realizzazione. |
-
1981
- 1981-11-16 JP JP18423881A patent/JPS5884618A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5884618A (ja) | 1983-05-20 |
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