JPH0355111U - - Google Patents
Info
- Publication number
- JPH0355111U JPH0355111U JP11550689U JP11550689U JPH0355111U JP H0355111 U JPH0355111 U JP H0355111U JP 11550689 U JP11550689 U JP 11550689U JP 11550689 U JP11550689 U JP 11550689U JP H0355111 U JPH0355111 U JP H0355111U
- Authority
- JP
- Japan
- Prior art keywords
- oil passage
- oil
- drill
- oil passages
- edge surface
- 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
Landscapes
- Drilling Tools (AREA)
Description
第１図は本考案に係るドリルの一実施例を示し
た概念図、第２図は、第１図に示すドリルをその
軸線を中心として４５°回動した状態を示す概念
図、第３図は刃部に形成される凹部の形状を示し
た斜視図、第４図は従来のドリルの構造を示した
概念図である。
１０……基部、１１……オイル通路、２０……
刃部、２１，２２……オイル通路、２１ａ，２１
ｂ……オイル吐出口、２３，２４……刃先面、２
５……凹部、３０……Ｖ字状接合部、４０……空
間。
FIG. 1 is a conceptual diagram showing an embodiment of the drill according to the present invention, FIG. 2 is a conceptual diagram showing the drill shown in FIG. 1 rotated by 45 degrees around its axis, and FIG. 4 is a perspective view showing the shape of a recess formed in the blade, and FIG. 4 is a conceptual diagram showing the structure of a conventional drill. 10... Base, 11... Oil passage, 20...
Blade portion, 21, 22...Oil passage, 21a, 21
b...Oil discharge port, 23, 24...Blade edge surface, 2
5... recess, 30... V-shaped joint, 40... space.
Claims (1)
ル通路と、この第１のオイル通路より分岐して刃
先面に開口する第２、第３のオイル通路とを備え
たドリルにおいて、 上記第２、第３のオイル通路を中心軸線に平行
して設けたことを特徴とするドリル。[Claims for Utility Model Registration] A first oil passage formed from the base end toward the tip end, and second and third oil passages that branch from the first oil passage and open to the cutting edge surface. A drill comprising: The second and third oil passages are provided parallel to the central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11550689U JPH0355111U (en) | 1989-09-29 | 1989-09-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11550689U JPH0355111U (en) | 1989-09-29 | 1989-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0355111U true JPH0355111U (en) | 1991-05-28 |
Family
ID=31663833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11550689U Pending JPH0355111U (en) | 1989-09-29 | 1989-09-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0355111U (en) |
-
1989
- 1989-09-29 JP JP11550689U patent/JPH0355111U/ja active Pending