JPH01166005U - - Google Patents
Info
- Publication number
- JPH01166005U JPH01166005U JP6404988U JP6404988U JPH01166005U JP H01166005 U JPH01166005 U JP H01166005U JP 6404988 U JP6404988 U JP 6404988U JP 6404988 U JP6404988 U JP 6404988U JP H01166005 U JPH01166005 U JP H01166005U
- Authority
- JP
- Japan
- Prior art keywords
- sintered body
- chip breaker
- cutting tool
- outer layer
- tip
- 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
- 229910003460 diamond Inorganic materials 0.000 claims 1
- 239000010432 diamond Substances 0.000 claims 1
Landscapes
- Cutting Tools, Boring Holders, And Turrets (AREA)
Description
第１図は本考案の実施例の側面図、第２図は本
考案の実施例の平面図、第３図は本考案の実施例
の切刃部分を示す斜視図、第４図は従来例の側面
図である。
１……バイトシヤンク、２……切刃、３……す
くい面、４……チツプブレーカ、５……上部超硬
合金層、６……下部超硬合金層、７……高硬度焼
結体。
Fig. 1 is a side view of the embodiment of the present invention, Fig. 2 is a plan view of the embodiment of the present invention, Fig. 3 is a perspective view showing the cutting edge portion of the embodiment of the present invention, and Fig. 4 is a conventional example. FIG. 1... Bit shank, 2... Cutting edge, 3... Rake face, 4... Chip breaker, 5... Upper cemented carbide layer, 6... Lower cemented carbide layer, 7... High hardness sintered body.
Claims (1)
ド等の高硬度焼結体を介在させた３層構造の積層
焼結体を、切削工具の先端にろう付けして切刃と
したものにおいて、前記積層焼結体の外層の片側
の一部を取り除いて切刃のすくい面を形成し、該
外層の残部をチツプブレーカとして形成し、該チ
ツプブレーカを含む積層焼結体の背面及び他の外
層面を切削工具の先端にろう付けしたことを特徴
とするチツプブレーカ付高硬度切削工具。 A three-layer laminated sintered body with a cemented carbide outer layer and a high-hardness sintered body such as diamond interposed between the outer layers is brazed to the tip of a cutting tool to form a cutting edge, A part of one side of the outer layer of the laminated sintered body is removed to form the rake face of the cutting blade, and the remainder of the outer layer is formed as a chip breaker, and the back surface of the laminated sintered body including the chip breaker and other outer parts are removed. A high-hardness cutting tool with a chip breaker that features a layered surface brazed to the tip of the cutting tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6404988U JPH01166005U (en) | 1988-05-17 | 1988-05-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6404988U JPH01166005U (en) | 1988-05-17 | 1988-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01166005U true JPH01166005U (en) | 1989-11-21 |
Family
ID=31289532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6404988U Pending JPH01166005U (en) | 1988-05-17 | 1988-05-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01166005U (en) |
-
1988
- 1988-05-17 JP JP6404988U patent/JPH01166005U/ja active Pending