JPH0479005U - - Google Patents
Info
- Publication number
- JPH0479005U JPH0479005U JP12115090U JP12115090U JPH0479005U JP H0479005 U JPH0479005 U JP H0479005U JP 12115090 U JP12115090 U JP 12115090U JP 12115090 U JP12115090 U JP 12115090U JP H0479005 U JPH0479005 U JP H0479005U
- Authority
- JP
- Japan
- Prior art keywords
- drill
- stepped
- diameter part
- changes
- small 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.)
- Pending
Links
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005553 drilling Methods 0.000 description 1
Description
第１図は本考案の段付ドリルの段付部の断面拡
大図、第２図は本考案の段付ドリルで孔あけ加工
を行つた複合孔の一例を示す断面図、第３図は螺
子部を形成した第２図の複合孔にボルトを螺入し
た状態を示す要部の断面拡大図、第４図は段付ド
リルの一例を示す正面図、第５図は従来の段付ド
リルの段付部の拡大断面図、第６図は段付ドリル
で孔あけ加工を行つた複合孔の一例を示す断面図
である。
１……ドリル部、１ａ……小径ドリル、１ｂ…
…大径ドリル、１ｃ……傾斜面、１ｃ′……曲面
、２……シヤンク部、３，４……複合孔、５……
ボルト、Ａ，Ａ′……段付部、Ｂ……段付ドリル
。
Figure 1 is an enlarged cross-sectional view of the stepped part of the stepped drill of the present invention, Figure 2 is a cross-sectional view showing an example of a compound hole drilled with the stepped drill of the present invention, and Figure 3 is a screw Fig. 4 is a front view showing an example of a stepped drill, and Fig. 5 is a view of a conventional stepped drill. FIG. 6 is an enlarged cross-sectional view of the stepped portion, and is a cross-sectional view showing an example of a compound hole formed by drilling with a stepped drill. 1...Drill part, 1a...Small diameter drill, 1b...
...Large diameter drill, 1c...Slanted surface, 1c'...Curved surface, 2...Shank portion, 3, 4...Compound hole, 5...
Bolt, A, A'...Stepped part, B...Stepped drill.
Claims (1)
へと、段付部をはさんで複数段にわたつて変化す
る形状を有する段付ドリルにおいて、前記ドリル
の段付部が小径部から大径部にわたつて凹型アー
ル形状としたこと、を特徴とする段付ドリル。 In a stepped drill having a shape in which the outer diameter of the drill changes from the small diameter part to the large diameter part from the tip of the drill in multiple stages across a stepped part, the stepped part of the drill changes from the small diameter part to the large diameter part. A stepped drill characterized by a concave rounded shape across the diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12115090U JPH0479005U (en) | 1990-11-19 | 1990-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12115090U JPH0479005U (en) | 1990-11-19 | 1990-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0479005U true JPH0479005U (en) | 1992-07-09 |
Family
ID=31869023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12115090U Pending JPH0479005U (en) | 1990-11-19 | 1990-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0479005U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005297124A (en) * | 2004-04-12 | 2005-10-27 | Nachi Fujikoshi Corp | Drill |
| KR100869315B1 (en) * | 2007-05-17 | 2008-11-18 | 김병수 | A valve body manufacturing apparatus of load sensing proportioning valve and valve body manufacturing process using the same |
| WO2016189937A1 (en) * | 2015-05-28 | 2016-12-01 | 京セラ株式会社 | Drill and manufacturing method for cut product |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6257807A (en) * | 1985-09-05 | 1987-03-13 | Mitsubishi Metal Corp | Drill |
-
1990
- 1990-11-19 JP JP12115090U patent/JPH0479005U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6257807A (en) * | 1985-09-05 | 1987-03-13 | Mitsubishi Metal Corp | Drill |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005297124A (en) * | 2004-04-12 | 2005-10-27 | Nachi Fujikoshi Corp | Drill |
| KR100869315B1 (en) * | 2007-05-17 | 2008-11-18 | 김병수 | A valve body manufacturing apparatus of load sensing proportioning valve and valve body manufacturing process using the same |
| WO2016189937A1 (en) * | 2015-05-28 | 2016-12-01 | 京セラ株式会社 | Drill and manufacturing method for cut product |
| CN107614169A (en) * | 2015-05-28 | 2018-01-19 | 京瓷株式会社 | The manufacture method of drill bit and machining thing |
| JPWO2016189937A1 (en) * | 2015-05-28 | 2018-03-01 | 京セラ株式会社 | Drill and cutting method |
| CN107614169B (en) * | 2015-05-28 | 2019-07-05 | 京瓷株式会社 | The manufacturing method of drill bit and machined object |