JPS6125938Y2 - - Google Patents
Info
- Publication number
- JPS6125938Y2 JPS6125938Y2 JP93581U JP93581U JPS6125938Y2 JP S6125938 Y2 JPS6125938 Y2 JP S6125938Y2 JP 93581 U JP93581 U JP 93581U JP 93581 U JP93581 U JP 93581U JP S6125938 Y2 JPS6125938 Y2 JP S6125938Y2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- cutting
- cutting edge
- hole
- center
- 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
- 239000011162 core material Substances 0.000 description 11
- 238000005553 drilling Methods 0.000 description 7
- 230000000669 biting effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000002173 cutting fluid Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP93581U JPS6125938Y2 (US07922777-20110412-C00004.png) | 1981-01-09 | 1981-01-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP93581U JPS6125938Y2 (US07922777-20110412-C00004.png) | 1981-01-09 | 1981-01-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57118111U JPS57118111U (US07922777-20110412-C00004.png) | 1982-07-22 |
| JPS6125938Y2 true JPS6125938Y2 (US07922777-20110412-C00004.png) | 1986-08-05 |
Family
ID=29799472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP93581U Expired JPS6125938Y2 (US07922777-20110412-C00004.png) | 1981-01-09 | 1981-01-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6125938Y2 (US07922777-20110412-C00004.png) |
-
1981
- 1981-01-09 JP JP93581U patent/JPS6125938Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57118111U (US07922777-20110412-C00004.png) | 1982-07-22 |
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