JPS6147645B2 - - Google Patents
Info
- Publication number
- JPS6147645B2 JPS6147645B2 JP9600580A JP9600580A JPS6147645B2 JP S6147645 B2 JPS6147645 B2 JP S6147645B2 JP 9600580 A JP9600580 A JP 9600580A JP 9600580 A JP9600580 A JP 9600580A JP S6147645 B2 JPS6147645 B2 JP S6147645B2
- Authority
- JP
- Japan
- Prior art keywords
- drill
- center
- round hole
- cutting edge
- cutting
- 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
- 238000005520 cutting process Methods 0.000 claims description 24
- 239000007787 solid Substances 0.000 description 8
- 238000005553 drilling Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 235000015429 Mirabilis expansa Nutrition 0.000 description 1
- 244000294411 Mirabilis expansa Species 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000010730 cutting oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009760 electrical discharge machining Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 235000013536 miso Nutrition 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9600580A JPS5721213A (en) | 1980-07-14 | 1980-07-14 | Drill |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9600580A JPS5721213A (en) | 1980-07-14 | 1980-07-14 | Drill |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5721213A JPS5721213A (en) | 1982-02-03 |
JPS6147645B2 true JPS6147645B2 (ru) | 1986-10-20 |
Family
ID=14153015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9600580A Granted JPS5721213A (en) | 1980-07-14 | 1980-07-14 | Drill |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5721213A (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102212841B1 (ko) | 2019-12-24 | 2021-02-05 | 가부시키가이샤 스즈키 | 반도체 장치의 제조 방법 및 반도체 장치의 제조 장치 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0248174Y2 (ru) * | 1985-07-05 | 1990-12-18 | ||
ATE72157T1 (de) * | 1986-06-07 | 1992-02-15 | Hertel Ag | Verfahren zum anschleifen eines spiralbohrers. |
JP3739048B2 (ja) | 2002-11-01 | 2006-01-25 | 株式会社ミヤナガ | ドリルビット |
-
1980
- 1980-07-14 JP JP9600580A patent/JPS5721213A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102212841B1 (ko) | 2019-12-24 | 2021-02-05 | 가부시키가이샤 스즈키 | 반도체 장치의 제조 방법 및 반도체 장치의 제조 장치 |
Also Published As
Publication number | Publication date |
---|---|
JPS5721213A (en) | 1982-02-03 |
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