JPH0540886Y2 - - Google Patents
Info
- Publication number
- JPH0540886Y2 JPH0540886Y2 JP1987048434U JP4843487U JPH0540886Y2 JP H0540886 Y2 JPH0540886 Y2 JP H0540886Y2 JP 1987048434 U JP1987048434 U JP 1987048434U JP 4843487 U JP4843487 U JP 4843487U JP H0540886 Y2 JPH0540886 Y2 JP H0540886Y2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- diameter
- depth
- tip
- outer diameter
- 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
- 238000005520 cutting process Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 3
- 238000005553 drilling Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 4
- 238000000227 grinding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000005096 rolling process 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 |
|---|---|---|---|
| JP1987048434U JPH0540886Y2 (uk) | 1987-03-30 | 1987-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987048434U JPH0540886Y2 (uk) | 1987-03-30 | 1987-03-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63154111U JPS63154111U (uk) | 1988-10-11 |
| JPH0540886Y2 true JPH0540886Y2 (uk) | 1993-10-18 |
Family
ID=30869958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987048434U Expired - Lifetime JPH0540886Y2 (uk) | 1987-03-30 | 1987-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540886Y2 (uk) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5555924U (uk) * | 1978-10-11 | 1980-04-16 |
-
1987
- 1987-03-30 JP JP1987048434U patent/JPH0540886Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5555924U (uk) * | 1978-10-11 | 1980-04-16 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63154111U (uk) | 1988-10-11 |
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