JPS6246491Y2 - - Google Patents
Info
- Publication number
- JPS6246491Y2 JPS6246491Y2 JP1984009450U JP945084U JPS6246491Y2 JP S6246491 Y2 JPS6246491 Y2 JP S6246491Y2 JP 1984009450 U JP1984009450 U JP 1984009450U JP 945084 U JP945084 U JP 945084U JP S6246491 Y2 JPS6246491 Y2 JP S6246491Y2
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- drill
- range
- cutting
- shape
- 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
- 239000000463 material Substances 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 5
- 229910000997 High-speed steel Inorganic materials 0.000 description 4
- 230000000669 biting effect Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003637 basic solution Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Drilling Tools (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP945084U JPS60120712U (ja) | 1984-01-25 | 1984-01-25 | ドリル |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP945084U JPS60120712U (ja) | 1984-01-25 | 1984-01-25 | ドリル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60120712U JPS60120712U (ja) | 1985-08-15 |
JPS6246491Y2 true JPS6246491Y2 (US06373033-20020416-M00071.png) | 1987-12-16 |
Family
ID=30489678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP945084U Granted JPS60120712U (ja) | 1984-01-25 | 1984-01-25 | ドリル |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60120712U (US06373033-20020416-M00071.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101821043B (zh) | 2007-10-26 | 2012-05-30 | 住友电工硬质合金株式会社 | 螺旋钻头 |
JP5927671B2 (ja) | 2012-10-25 | 2016-06-01 | 住友電工ハードメタル株式会社 | 小径ドリル |
WO2015182618A1 (ja) * | 2014-05-26 | 2015-12-03 | 株式会社ビック・ツール | 医療用ドリル |
-
1984
- 1984-01-25 JP JP945084U patent/JPS60120712U/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60120712U (ja) | 1985-08-15 |
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