JPH01166015U - - Google Patents
Info
- Publication number
- JPH01166015U JPH01166015U JP6270188U JP6270188U JPH01166015U JP H01166015 U JPH01166015 U JP H01166015U JP 6270188 U JP6270188 U JP 6270188U JP 6270188 U JP6270188 U JP 6270188U JP H01166015 U JPH01166015 U JP H01166015U
- Authority
- JP
- Japan
- Prior art keywords
- center
- tip
- drill
- rotation
- same
- 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
- 239000011295 pitch Substances 0.000 claims 1
Landscapes
- Drilling Tools (AREA)
Description
第１図は、この考案に係る切刃チツプの一例を
示す正面図、第２図はその先端側の端面図、第３
図はシヤンクに取付けた状態の斜視図、第４図は
第３図のＸ―Ｘ線部における断面図である。
１……切刃チツプ、２……切刃、３……ニツク
、４……ボルト孔、５……凹部、６……センター
ドリル、７……６のヒール面、８……２の前逃げ
面、９……ブレーカ溝、１０……切削溝。
Fig. 1 is a front view showing an example of the cutting tip according to this invention, Fig. 2 is an end view of its tip side, and Fig. 3
The figure is a perspective view of the device attached to the shank, and FIG. 4 is a sectional view taken along line X--X in FIG. 3. 1... Cutting tip, 2... Cutting blade, 3... Nick, 4... Bolt hole, 5... Recess, 6... Center drill, 7... Heel surface of 6, 8... Front relief of 2 Surface, 9... Breaker groove, 10... Cutting groove.
Claims (1)
転中心とチツプ中心が一致する状態に嵌めて使用
する板状の切刃チツプであつて、幅はドリル径と
、厚みは上記溝の溝幅と各々等しく、さらに回転
中心を基準にして点対称形に形成される先端角を
有した２枚の切刃には、軌跡がオーバラツプしな
い複数のニツクを切刃長手方向に適宜ピツチで設
けたチツプにおいて、その先端中心部に、センタ
ードリルを突出して一体に形成したことを特徴と
するドリル用切刃チツプ。 It is a plate-shaped cutting tip that is used by fitting it into a radial groove at the tip of the shank that crosses the center of rotation so that the center of rotation and the center of the tip coincide.The width is the same as the drill diameter and the thickness is the same as the width of the groove. Two cutting blades each having the same tip angle and point symmetrical with respect to the center of rotation are provided with a plurality of nicks whose trajectories do not overlap at appropriate pitches in the longitudinal direction of the cutting blade. A cutting edge tip for a drill, characterized in that a center drill is integrally formed with a protruding center drill at the center of the tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6270188U JPH01166015U (en) | 1988-05-11 | 1988-05-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6270188U JPH01166015U (en) | 1988-05-11 | 1988-05-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166015U true JPH01166015U (en) | 1989-11-21 |
Family
ID=31288269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6270188U Pending JPH01166015U (en) | 1988-05-11 | 1988-05-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008062369A (en) * | 2006-09-11 | 2008-03-21 | Tungaloy Corp | Method of producing tip to be mounted on boring tool, method of producing boring tool, and boring tool |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743609U (en) * | 1980-08-26 | 1982-03-10 |
-
1988
- 1988-05-11 JP JP6270188U patent/JPH01166015U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5743609U (en) * | 1980-08-26 | 1982-03-10 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008062369A (en) * | 2006-09-11 | 2008-03-21 | Tungaloy Corp | Method of producing tip to be mounted on boring tool, method of producing boring tool, and boring tool |