JPS57184530A - Punching device for impeller shell - Google Patents
Punching device for impeller shellInfo
- Publication number
- JPS57184530A JPS57184530A JP56068960A JP6896081A JPS57184530A JP S57184530 A JPS57184530 A JP S57184530A JP 56068960 A JP56068960 A JP 56068960A JP 6896081 A JP6896081 A JP 6896081A JP S57184530 A JPS57184530 A JP S57184530A
- Authority
- JP
- Japan
- Prior art keywords
- circumferential part
- punches
- shell
- ring
- shaped recess
- 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
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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/32—Perforating, i.e. punching holes in other articles of special shape
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56068960A JPS595369B2 (ja) | 1981-05-07 | 1981-05-07 | インペラシエル用パンチング装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56068960A JPS595369B2 (ja) | 1981-05-07 | 1981-05-07 | インペラシエル用パンチング装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57184530A true JPS57184530A (en) | 1982-11-13 |
JPS595369B2 JPS595369B2 (ja) | 1984-02-04 |
Family
ID=13388745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56068960A Expired JPS595369B2 (ja) | 1981-05-07 | 1981-05-07 | インペラシエル用パンチング装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS595369B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998041740A1 (en) * | 1997-03-20 | 1998-09-24 | E & E Manufacturing Company, Inc. | Method for manufacturing a rocker arm |
US6189360B1 (en) * | 1998-06-15 | 2001-02-20 | Sanyo Machine America Corp. | Metal forming machine |
JP2020185582A (ja) * | 2019-05-13 | 2020-11-19 | トヨタ自動車株式会社 | 孔打ち抜き装置 |
-
1981
- 1981-05-07 JP JP56068960A patent/JPS595369B2/ja not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998041740A1 (en) * | 1997-03-20 | 1998-09-24 | E & E Manufacturing Company, Inc. | Method for manufacturing a rocker arm |
US5887474A (en) * | 1997-03-20 | 1999-03-30 | E & E Manufacturing Company, Inc. | Method for manufacturing a rocker arm |
US6189360B1 (en) * | 1998-06-15 | 2001-02-20 | Sanyo Machine America Corp. | Metal forming machine |
JP2020185582A (ja) * | 2019-05-13 | 2020-11-19 | トヨタ自動車株式会社 | 孔打ち抜き装置 |
Also Published As
Publication number | Publication date |
---|---|
JPS595369B2 (ja) | 1984-02-04 |
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