JPS62127709U - - Google Patents
Info
- Publication number
- JPS62127709U JPS62127709U JP1598686U JP1598686U JPS62127709U JP S62127709 U JPS62127709 U JP S62127709U JP 1598686 U JP1598686 U JP 1598686U JP 1598686 U JP1598686 U JP 1598686U JP S62127709 U JPS62127709 U JP S62127709U
- Authority
- JP
- Japan
- Prior art keywords
- wall surface
- cutting edge
- tip
- rake face
- drill
- 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Description
第１図ないし第５図は、この考案の実施例に係
るチツプを示すもので第１図は斜視図、第２図は
第１図の―線部分の部分断面端面図、第３図
は第１図の―線部分の部分断面端面図、第４
図はチツプ先端部を示す平面図、第４図はチツプ
先端部を示す平面図、第５図はブレーカ底面を示
す要部正面図、第６図は他の変形例を示す部分断
面図、第７図は従来例を示す斜視図である。
２ａ…すくい面、３…先端逃げ面、５，１０…
ブレーカ壁面、７…切刃。
1 to 5 show a chip according to an embodiment of the invention, in which FIG. 1 is a perspective view, FIG. Partial cross-sectional end view of the - line portion in Figure 1, No. 4
4 is a plan view showing the tip of the chip, FIG. 5 is a front view of the main part showing the bottom of the breaker, FIG. 6 is a partial sectional view showing another modification, and FIG. FIG. 7 is a perspective view showing a conventional example. 2a... rake face, 3... tip flank, 5, 10...
Breaker wall surface, 7...cutting blade.
Claims (1)
との交叉稜に切刃が形成され、かつ前記すくい面
にブレーカ壁面を形成してなるドリルにおいて、
前記ブレーカ壁面の切刃に対する高さを回転中心
側から外周側へ向かうに従つて漸次高くしたこと
を特徴とするドリル。 A drill in which a cutting edge is formed at the intersection of a rake face extending from the tip to the rear end side and a tip flank face, and a breaker wall surface is formed on the rake face,
A drill characterized in that the height of the breaker wall surface relative to the cutting edge is gradually increased from the rotation center side toward the outer circumference side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1598686U JPS62127709U (en) | 1986-02-06 | 1986-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1598686U JPS62127709U (en) | 1986-02-06 | 1986-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62127709U true JPS62127709U (en) | 1987-08-13 |
Family
ID=30807427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1598686U Pending JPS62127709U (en) | 1986-02-06 | 1986-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62127709U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180096654A (en) * | 2015-12-28 | 2018-08-29 | 다이아몬드 이노베이션즈, 인크. | Polycrystalline diamond drill bit with laser cutting chip breaker |
| WO2022054829A1 (en) * | 2020-09-09 | 2022-03-17 | 京セラ株式会社 | Cutting insert, rotary tool, and method for manufacturing cut product |
-
1986
- 1986-02-06 JP JP1598686U patent/JPS62127709U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180096654A (en) * | 2015-12-28 | 2018-08-29 | 다이아몬드 이노베이션즈, 인크. | Polycrystalline diamond drill bit with laser cutting chip breaker |
| JP2019501787A (en) * | 2015-12-28 | 2019-01-24 | ダイヤモンド イノヴェーションズ インコーポレイテッド | Drill bit having a chip breaker and method for laser cutting a chip breaker in a drill bit |
| WO2022054829A1 (en) * | 2020-09-09 | 2022-03-17 | 京セラ株式会社 | Cutting insert, rotary tool, and method for manufacturing cut product |