JPH0474095B2 - - Google Patents
Info
- Publication number
- JPH0474095B2 JPH0474095B2 JP63057262A JP5726288A JPH0474095B2 JP H0474095 B2 JPH0474095 B2 JP H0474095B2 JP 63057262 A JP63057262 A JP 63057262A JP 5726288 A JP5726288 A JP 5726288A JP H0474095 B2 JPH0474095 B2 JP H0474095B2
- Authority
- JP
- Japan
- Prior art keywords
- ring
- shaped metal
- metal fitting
- cam
- press
- 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 - Lifetime
Links
- 239000002184 metal Substances 0.000 claims description 37
- 238000005553 drilling Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 238000004080 punching Methods 0.000 claims description 8
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000002699 waste material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5726288A JPH01233021A (ja) | 1988-03-10 | 1988-03-10 | リング状金具の穿孔法及びその装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5726288A JPH01233021A (ja) | 1988-03-10 | 1988-03-10 | リング状金具の穿孔法及びその装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01233021A JPH01233021A (ja) | 1989-09-18 |
JPH0474095B2 true JPH0474095B2 (zh) | 1992-11-25 |
Family
ID=13050611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5726288A Granted JPH01233021A (ja) | 1988-03-10 | 1988-03-10 | リング状金具の穿孔法及びその装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01233021A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107335744A (zh) * | 2017-08-25 | 2017-11-10 | 重庆市庆颖摩托车配件有限公司 | 用于发动机端盖的打孔装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103447368A (zh) * | 2013-08-16 | 2013-12-18 | 贵州天义汽车电器有限公司 | 一种继电器汇流片同步顶舌装置 |
CN104525704B (zh) * | 2014-12-02 | 2016-08-17 | 金华职业技术学院 | 一种薄壁钢管对称孔的加工方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5668531A (en) * | 1979-11-08 | 1981-06-09 | Nippon Light Metal Co Ltd | Pressing device |
JPS5684127A (en) * | 1979-12-11 | 1981-07-09 | Honda Motor Co Ltd | Method and apparatus for burring work |
JPS5743331A (en) * | 1980-08-28 | 1982-03-11 | Tamura Electric Works Ltd | Time switch circuit device |
-
1988
- 1988-03-10 JP JP5726288A patent/JPH01233021A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5668531A (en) * | 1979-11-08 | 1981-06-09 | Nippon Light Metal Co Ltd | Pressing device |
JPS5684127A (en) * | 1979-12-11 | 1981-07-09 | Honda Motor Co Ltd | Method and apparatus for burring work |
JPS5743331A (en) * | 1980-08-28 | 1982-03-11 | Tamura Electric Works Ltd | Time switch circuit device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107335744A (zh) * | 2017-08-25 | 2017-11-10 | 重庆市庆颖摩托车配件有限公司 | 用于发动机端盖的打孔装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH01233021A (ja) | 1989-09-18 |
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