JPH0438895Y2 - - Google Patents
Info
- Publication number
- JPH0438895Y2 JPH0438895Y2 JP11535287U JP11535287U JPH0438895Y2 JP H0438895 Y2 JPH0438895 Y2 JP H0438895Y2 JP 11535287 U JP11535287 U JP 11535287U JP 11535287 U JP11535287 U JP 11535287U JP H0438895 Y2 JPH0438895 Y2 JP H0438895Y2
- Authority
- JP
- Japan
- Prior art keywords
- punch
- workpiece
- hole
- burrs
- protrusion
- 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
- 238000007751 thermal spraying Methods 0.000 claims description 9
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000005553 drilling Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Landscapes
- Punching Or Piercing (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11535287U JPH0438895Y2 (fi) | 1987-07-28 | 1987-07-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11535287U JPH0438895Y2 (fi) | 1987-07-28 | 1987-07-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6420921U JPS6420921U (fi) | 1989-02-01 |
| JPH0438895Y2 true JPH0438895Y2 (fi) | 1992-09-11 |
Family
ID=31356934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11535287U Expired JPH0438895Y2 (fi) | 1987-07-28 | 1987-07-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438895Y2 (fi) |
-
1987
- 1987-07-28 JP JP11535287U patent/JPH0438895Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6420921U (fi) | 1989-02-01 |
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