JPS6462227A - Method for pressing product with boss - Google Patents
Method for pressing product with bossInfo
- Publication number
- JPS6462227A JPS6462227A JP21742987A JP21742987A JPS6462227A JP S6462227 A JPS6462227 A JP S6462227A JP 21742987 A JP21742987 A JP 21742987A JP 21742987 A JP21742987 A JP 21742987A JP S6462227 A JPS6462227 A JP S6462227A
- Authority
- JP
- Japan
- Prior art keywords
- boss
- hole
- metal
- projecting part
- metal plate
- 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
- Punching Or Piercing (AREA)
Abstract
PURPOSE:To surely subject a product with a boss to pressing even in case of a long boss by drawing a projecting part at the vicinity of the hole for metal drawing-up after punching it on a metal plate stock and punching it in the specified shape after burring it. CONSTITUTION:The hold 25 for metal drawing-up is formed by punching at the vicinity of the boss 23 working part of a metal plate stock 21. This hole 25 for metal drawing-up is preferably formed in the semicircular arcuated shape surrounding the boss 23 working part. A projecting part 27 is then formed at said boss working part by drawing. The metal plate stock 21 of between the hole 25 for metal drawing-up and boss working part is thus easily flowed into the projecting part 27. A prepared hole 29 is then pierced at the center of the projecting part 27 and a specified through hole 31 is formed. The boss 23 is then formed by executing burring on this projecting part 27. The product with a boss of the specified shape is thereafter punched from the metal plate stock 21 and a bell crank, etc., are obtd.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62217429A JPH0620568B2 (en) | 1987-08-31 | 1987-08-31 | Press processing method for bossed products |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62217429A JPH0620568B2 (en) | 1987-08-31 | 1987-08-31 | Press processing method for bossed products |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6462227A true JPS6462227A (en) | 1989-03-08 |
JPH0620568B2 JPH0620568B2 (en) | 1994-03-23 |
Family
ID=16704076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62217429A Expired - Fee Related JPH0620568B2 (en) | 1987-08-31 | 1987-08-31 | Press processing method for bossed products |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0620568B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013082000A (en) * | 2011-09-28 | 2013-05-09 | Morioka Seiko Instruments Inc | Press component and method for manufacturing press component |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5236560A (en) * | 1975-09-19 | 1977-03-19 | Hitachi Ltd | Method and device for burring |
JPS57142726A (en) * | 1981-02-28 | 1982-09-03 | Hitachi Ltd | One stroke multiple stage forming press |
JPS59232631A (en) * | 1983-06-14 | 1984-12-27 | Mitsubishi Electric Corp | Pressing method |
-
1987
- 1987-08-31 JP JP62217429A patent/JPH0620568B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5236560A (en) * | 1975-09-19 | 1977-03-19 | Hitachi Ltd | Method and device for burring |
JPS57142726A (en) * | 1981-02-28 | 1982-09-03 | Hitachi Ltd | One stroke multiple stage forming press |
JPS59232631A (en) * | 1983-06-14 | 1984-12-27 | Mitsubishi Electric Corp | Pressing method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013082000A (en) * | 2011-09-28 | 2013-05-09 | Morioka Seiko Instruments Inc | Press component and method for manufacturing press component |
Also Published As
Publication number | Publication date |
---|---|
JPH0620568B2 (en) | 1994-03-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |